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Avalanche 8.1 mpg

Following shows the average MPG of each of the 10 vehicles in the system. BIG GREEN 2002 Chevrolet Avalanche 2500 8.1L V8 GAS Automatic 4 Speed Crew Cab Picku 17 Chevrolet Avalanche 2500s have provided 194 thousand miles of real world fuel economy & MPG data. Click here to view all the Chevrolet Avalanche 2500s currently participating in our fuel tracking program. Any Engine Type 8.1L V8 GAS (13) V8 GAS (3) Any Body Style Crew Cab Pickup (8) Any Submodel LS (1) LT (2) Base (10) Other (4 Avs have the 4L80E,they are more efficient,and going to get better mileage. A friend has an 8.1 Av,and gets 13.1 average mpg,over 1 mpg better than me,and i have a mileage tune.: boatman2 Re: 8.1 fuel economy. Dec 26 2016, 12:16pm. My 04 averages 12.5 - 13 on the highway at 65. Average city / hwy combined is around 10. I drive mostly highway though, and conservative. Getting on it around town gets about 7. Change plugs every 100k General Motors launched its 8.1-liter engine -- also called the 8100 Vortec -- in 2001. The 8.1-liter powerplant was offered in the Chevrolet Avalanche 2500, the Silverado 2500HD and the Silverado 3500HD, as well as in their GMC Sierra counterparts, from 2001 through 2006. In 2007, it was replaced by the more compact.

2002 Chevrolet Avalanche 2500 MPG - Actual MPG from 10

PART TWO is now live! Link for new video is below 05-04-2005, 12:52 PM. I have an '04 2500HD with the 8.1 and Alison transmission and my mileage averages 12-14 per tank. My overall mileage according to the information center on the dash is 12.9 after 26,000 miles. Mileage seems to drop about 1-2 mpg when I tow a 20 foot bass boat, but I didn't buy this truck for the mileage either Gas Mileage - 8.1 Vortec Obviously not an engine problem but potentially one of the most disliked aspects of the 8.1 engine is the gas mileage! With city driving, you can expect single digit numbers from 7-9mpg and highway will usually range from 12-14mi The only thing, in my opinion that keeps the 8.1 from being the PERFECT truck is the fuel mileage. Some of the things I have thought about to improve my mileage (which is 9-10 mpg..mostly city) is the K&N Filter Charger, aftermarket muffler, and tonneau cover for the bed

Comparing the Avalanche 1500's 5.3-liter V8 with the 2500's 8.1. The last Vortec 8100 was built in 2009, replaced in heavy-duty applications by the vastly more fuel-efficient 6.0 V8 that briefly been available in Avalanche We can help you calculate and track your fuel economy. MPG Estimates from Others; MPG estimates from drivers like you! Advanced Cars & Fuels. 2003 Chevrolet Avalanche. EPA MPG Owner MPG Estimates 2003 Chevrolet Avalanche 1500 2WD 8 cyl, 5.3 L, Automatic 4-spd Regular Gasoline: View Estimates. GM 8.1L Vortec V-8 specs, history, and horsepower and torque curves. The GM 8.1L was introduced in 2001 and used in various heavy duty applications, including Chevrolet Silverado and GMC Sierra 2500/3500HD pickups, through the 2006 model year. Although this large displacement engine produces considerable horsepower and torque, it was retired in favor of a more economical engine platform The Avalanche 2500 packs a 325-hp, 8.1-liter V-8 that yields 447 pounds-feet of torque. A rear-drive Avalanche 1500 can tow up to 8,200 pounds when properly equipped. Maximum towing capacity for.

Had my buddie's 2006 Avalanche for the weekend, put an O2 sensor in it for him 2002 Chevrolet Avalanche 2500 4X4 8.1 Liter V-8; 2002 Chevrolet Avalanche 2500 4X4 8.1 Liter V-8. Exterior Dimensions; Curb Weight: 6,642 pounds: Wheel Base: 130 inches: Front Track: 65 inches: Rear Track: 66 inches: Length: 221.7 inches (18.475 feet) Width: 79.8 inches (6.65 feet) Height: 73.3 inches (6.10 feet) Ground Clearance Research the 2004 Chevrolet Avalanche at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. 5.3-liter or 8.1-liter V-

Very powerful 2500 Avalanche with 8.1L vortec engine. 14 miles/gallon, very smooth ride, good pick up for an over 3 ton vehicle. very little sway on curves. strong runner, no complaints. Was this.. In fact, the primary complaint is the gas mileage, which most state is in the 8-10 mpg range, but that is to be expected with an 8.1 liter gasoline engine. 8.1 Vortec Performance Specs. The power and torque of this engine varied widely depending on specific application, as is common with all engines used across a variety of platforms Avalanche chip brings a big difference in the power chip; get better gas mileage a according on the size of your engine you can expect to get more mpg with an avalanche engine performance chip. This means that you will be able to get up to more miles on a tank of gas with these avalanche computer chips Summary: Make - Chevrolet, Model - Avalanche, Mileage - 155000, Drivetrain - 4WD, Price - $4,000 Seller Description: 2003 Chevrolet Avalanche Originally a 2500 with the 8.1L. So it is still a 3/4 ton truck, you will have no problem.

Chevrolet Avalanche 2500 MPG - Actual MPG from 17

2003 Chevy Avalanche. Type. four-wheel vented disc with front aluminum dual-piston calipers, rear drum-in-hat parking brake, four-wheel ABS. Rotor diameter x thickness (in / mm) front: 12 x 1.14 / 305 x 29. rear: 13 x 1.18 / 330 x 30. Swept area (sq in / sq cm) front: 133.6 / 862. rear: 133.6 / 862 2004 chevrolet avalanche - st. Charles, mohams auto salesst. This is a very clean and rare 2500 edition with the v8, 8. 1 liter engine. Equipped with plenty of options like leather, power windows, locks, seats, and sunroof. Also has cruise control, privacy glass, roof rack, tow package, bose stereo system, and nice alloy wheels The 8.1/Allison should get similar economy as the 6.0/80E if not BETTER. That 80E has a shit OD ratio of 0.75:1 = high RPM on freeway over 65mph. I wouldn't say no to an 8.1 with 4.10:1 gears. Just get some slightly taller tires on there versus those donuts to make it look like a real truck. S

8.1 Avalanche Mileage Update Diesel Plac

  1. 8.1 at This is an online automotive information provider of Chevrolet Avalanche 2001 8.1 AT specifications and features, equipment and performance including fuel economy, transmission, warranty, engine type, cylinders, drive train and more
  2. My co-worker borrowed another co-workers 8.1 to move, he also used to own a z71 with a 5.7, not a stranger to the v-8 gas mileage, he said the mileage with the 8.1 was so bad, like I think he said you can watch the needle go down in real time
  3. 265 Posts. #4 · May 8, 2006. 6.0 vs 8.1. my uncle tows with 6.0 regulary says it tows much better than his old 5.7, got a friend who regulary tows 17,000 lbs plus with his goose neck 8.1 and it has all kinds of power to spare very strong if your just doing on rig id say 6.0 and if your going to do a goose neck and bigger loads id say 8.1, of.
  4. FYI, I have 160k miles on my 8.1, and averages over the years have been 11-12 on the hiway, 10 around town, and about 7-8 towing. I have found that mileage has improved 1 mpg across the board since I changed to Mobil 1 Hi-Mileage oil last year
  5. My 2001 K3500 with an 8.1 gets 6 MPG towing over 10,000 lbs. We have a fleet of 2004-2005 C2500's at work with the 6.0's they get about 9 MPG towing 10,000 lbs. Brian. '55 210 2-door sedan. 355 SBC, vortec heads (364HP, 377ft/lbs @ wheels), M-20, 3.70 gears. Crew chief of the Pyromaniac jet dragster
  6. GM/Workhorse 8.1L Engine. GM Trucks/SUV's with 8.1L Engine (May require Passkey and Crankshaft Position Relearn Procedures) Workhorse Motor Home Chassis from 2001-2011. Kodiak C4500/C5500 Chassis with 8.1L. Benefits: Gains of 50-60 HP and 70-80 lb-ft TQ. Gains of 1/2 - 1.5 MPG. Downshifts less approaching hills. Improved throttle response

SilveradoSierra.com • 8.1 fuel economy : Vortec 8100 8.1L V

If your avalanche has a longer transmission its because it is a 4l80e and you have a 3/4 ton avalanche. If you are looking for a avalanche to work this is what you want. 10.5 full float rear axle, 4l80e trans, and all 3/4 ton truck suspension and brakes. Some even have the 8.1 engine. the rear seat is the same as a crew cab as are the door. Honda evidently worked hard to improve their hwy mpg 1 mpg from the 2011 model to match the incredibly more capable Avalanche, which carried over its rating from 2011. Just because you may enjoy using the torque and the power of the 5.3L V8, hurting fuel economy, doesn't mean Avalanche can't match the Honda if driven with an interest in. Posted By: TECMike on 02/21/13 07:38am I have a friend who is a Dentist and he owns a 8.1 Avalanche with a 4.10 axle. He gets 8.0 MPG towing on flat and hilly land. Makes no difference Later on, Chevrolet has also introduced the stronger 8.1 liter V8 which cranks out 340 hp and 455 lb.ft. of torque. Maximum tow ratings are 8300 lb for the 2WD and 8100 lb for the 4WD. Chevrolet. Doesn't burn any oil and gets consistent 10-12.5 MPG. Read an article about the 8.1's development by a GM engineer. He said this engine was designed for extreme-duty use — medium duty trucks, generators, etc. They even use the 8.1 as a pony-motor to start huge diesel marine motors used in ships. He felt the 8.1 in a light-duty truck was.

The 4L85 was never used in a pick up truck. This was a beefed up version of the 4L80 and it was used in the Avalanche and Suburban with the 8.1 engine only where the Allison was too big to fit. All pickups, Suburbans and Avalanche with the 6.0 used the 4L80. The RPO sticker in the glovebox will tell you the transmission installed, M38 = Turbo 35 50 Best Used Chevrolet Avalanche for Sale, Savings from $2,949. Created with Sketch. --. 1500. 1500 LS. 1500 LT. 1500 The North Face Edition. 1500 Z66. 1500 Z71

Avalanche 2500 models come with a 8.1-liter V8 that generates 455 pounds-feet of torque at just 3200 rpm. It's rated to tow up to 12,000 pounds in either 2WD or 4WD versions. Payload is rated at 2247 pounds for 2WD 2500s, 1958 pounds for 4WD versions; 1500 models offer a 1363-pound payload for 2WD, 1322 pounds for 4WD. Summar Avalanche 1500 4WD can be ordered with Chevrolet's Z71 off-road package ($1955), which combines 265/70R17 on/off-road tires, a high-capacity air cleaner, skid plates, and off-road suspension with a long list of luxury extras. Avalanche 2500 4WD is powered by the Vortec 8100, an 8.1-liter V8 rated 320 horsepower and 445 pounds-feet of torque

The truck posted its best sales year in 2003, selling 93,482 units. But by 2011, the year prior to GM's decision to discontinue the vehicle, Chevy Avalanche sales dwindled to a measly 20,088. Learn more about the 2003 Chevrolet Avalanche. Get 2003 Chevrolet Avalanche values, consumer reviews, safety ratings, and find cars for sale near you TrueCar has 423 used Chevrolet Avalanche s for sale nationwide, including a 1500 LTZ 4WD and a 1500 LS 2WD. Prices for Chevrolet Avalanche s currently range from $2,447 to $42,997, with vehicle mileage ranging from 30,930 to 328,183. Find used Chevrolet Avalanche s near you by entering your zip code and seeing the best matches in your area 2002 Chevrolet Avalanche 2500 MPG. 2 Trims Available. Change Make / Model. Trim. Loading Trims. Make. Loading Makes. Chevrolet 3500 LCF Gas. Chevrolet 3500HD LCF Diesel

Chevrolet Avalanche Models. Models also known as Trim Levels, are used to identify a vehicle's level of equipment or special features. 1500 5dr Crew Cab 130 WB. $5,236 - $8,039. 285 HP 16-16 MPG 5-6 Seats Following a six-year run, the 8.1-liter V-8 engine was discontinued after the 2006 model year. Poor gas mileage may have been to blame as a four-wheel-drive Chevrolet Suburban averaged just 11 miles per gallon when tested by AutoMedia.com. Its -to-60-mph acceleration time was approximately 10 seconds. Charles Green is a freelance writer in. 2005 Avalanche 1500 LT 4x4 specs (horsepower, torque, engine size, wheelbase), MPG and pricing

GMC SIERRA CHEVY SILVERADO ELECTRIC TWIN COOLING FAN CONVERSION KIT MORE MPG HP. $239.99 + $50.00 shipping + $50.00 shipping + $50.00 shipping. GMC SIERRA CHEVY SILVERADO EXTREME ELECTRIC COOLING FAN CONVERSION KIT CUSTOM! For 2007-2013 Chevy Avalanche LED Headlights High Low Beam Combo Bulbs 9005 H11. New New New. $27.99 Brakes. 2004 Chevy Avalanche. Type. 4-wheel vented disc with dual-piston calipers, rear drum-in-hat parking brake, 4-wheel ABS. Rotor diameter x thickness (in / mm) front: 12 x 1.14 / 305 x 29. rear: 13 x 1.18 / 330 x 30. Total swept area (sq in / sq cm) front: 133.6 / 862 Get detailed information on the 2005 Chevrolet Avalanche 2500 including specifications and data that includes dimensions, engine specs, warranty, standard features, options, and more

For now. Mid year 2007 they are going to offer a 6.0l optional engine but if we are talking about the 02-06 the only engine offered in the 1500 is the 5.3 liter and the 2500 gets the 8.1. As for mileage I have a 03 Z71 1500 with the 3.73 rear end. When it was bone stock on a road trip I was able to get 23 mpg out of it 2003 Chevrolet Avalanche 2500 4WDDescription: Used 2003 Chevrolet Avalanche 2500 4WD for sale - $7,495 - 173,939 mi with Leather Seats, Alloy Wheels, Skid Plate Package, Convenience Package, Multi Zone Climate ControlCertified Pre-Owned: NoTransmission: 4-Speed AutomaticColor: Dark Green Metallic. $7,495. $140/mo est.* 2008 Chevrolet Avalanche 3LT RWDDescription: Used 2008 Chevrolet Avalanche 3LT RWD for sale - $8,995 - 172,126 mi with Leather Seats, Sunroof/Moonroof, Navigation System, Alloy Wheels, Remote Start, Heated SeatsCertified Pre-Owned: NoTransmission: AutomaticColor: Blue. $8,995. $168/mo est.*

Top 10 Avalanche Mods & Upgrades There may not be a quakin' mountain ready to pummel you with snow, but there are other reasons to add performance mods to your truck. Custom parts for the Chevy Avalanche do more than just protect your rig from unforeseen storms and muddy shoe prints—they add style and performance. [ The 1500 came with a 5.3-liter V8 good for 285 hp. The 2500 model had a 340-hp 8.1-liter V8 as well as higher towing and payload capacities. Both engines came standard with a four-speed automatic transmission. In reviews of the original Chevrolet Avalanche, we gave it high marks for its trick adjustable bed and comfortable seating 2002 Chevrolet Avalanche 2500 began experienceing intermittent engine stalling while driiving at approximately 38,000 miles. Condition was sporadic but continued getting more and more frequent until vehicle would not restart on June 24, 2005 with 55,000 miles on the odometer. Condition stored no codes on the pcm and was not 100% repeatable Test drive Used Chevrolet Avalanche at home in Norfolk, VA. Search from 8 Used Chevrolet Avalanche cars for sale, including a 2007 Chevrolet Avalanche 2WD, a 2011 Chevrolet Avalanche 4x4 LT, and a 2011 Chevrolet Avalanche LT ranging in price from $12,295 to $24,990 It delivers fuel efficiency of 15 mpg in the city, 21 on the highway, and a combined efficiency of 17 mpg. The Chevrolet Avalanche Crew Cab has a fuel capacity of 31.0 gallons, outputting a range of 465 miles in the city, 651 on the highway, and a combined range of 527 miles

The Specifications of an 8

  1. Find the best Chevrolet Avalanche 1500 for sale near you. Every used car for sale comes with a free CARFAX Report. We have 503 Chevrolet Avalanche 1500 vehicles for sale that are reported accident free, 149 1-Owner cars, and 641 personal use cars
  2. The versions of the Avalanche differed primarily in powertrain offerings and rear-suspension setup. The 1500 was offered only with GM's popular 5.3-liter V8 (a flex-fuel version was available), and the 2500 came with GM's short-lived L18 8.1-liter V8. You can read more about the L18 engine here
  3. Test drive Used Chevrolet Avalanche at home in Sterling, VA. Search from 18 Used Chevrolet Avalanche cars for sale, including a 2002 Chevrolet Avalanche 4x4, a 2003 Chevrolet Avalanche 4x4, and a 2004 Chevrolet Avalanche w/ Z71 ranging in price from $8,499 to $25,995
  4. Worst 2002 Chevrolet Avalanche Problems #1: Faulty Brake Line 2002 Avalanche Average Cost to Fix: $1,600 Average Mileage: 126,000 mi. Learn More #2: Won't Go Into Gear 2002 Avalanche Average Cost.
  5. Problem with your 2003 Chevrolet Avalanche 2500? Our list of 21 known complaints reported by owners can help you fix your 2003 Chevrolet Avalanche 2500

Used 2002 Chevrolet Avalanche 1500 Base in Cheyenne, WY. Cheyenne , WY 82001, USA. 142,321 Miles. Cheyenne , WY. $9,995.00. Here's a great deal on a 2002 Chevrolet Avalanche 1500! It offers the latest in technological innovation and style Carbole 8 Pcs Ignition Coil Pack + 8 Pcs 8mm Spark Plug Wires for Cadillac Escalade, Chevy Silverado, Avalanche, Express 3500, Suburban, Tahoe, GMC Sierra 4.8, 5.3, 6.0, 6.6, 8.1 L for UF271 D581 125 Pre-Owned 2007 Chevrolet Avalanche 4WD Crew Cab LT w/3LT. It doesn't matter what type of vehicle you're looking for, you will definitely find something at Newberg Chevrolet in NEWBERG. We have the best inventory of new Chevrolet vehicles in the Beaverton, OR region. If you're looking for a preowned vehicle, we have plenty for you to pick from

How many MPG's does the Chevy 8

  1. Well I know my truck still is getting **** gas mileage and thats after a full tune up, oil change, and fuel filter and bottle of lucas injector cleaner and im just running 16x8 M/T's and 265/75 Mud tires so it should be getting better than what its doin I can drive 30 miles and there goes a 1/4 trank I know it a 350 and a big truck but my 2000.
  2. 2004/t3-12-1 Chevrolet Avalanche. Fuel Economy $ 14 / 18 mpg . Towing (Max) 8300 lbs. Horsepower 295@5200 . Torque 330@4000 . See All Specs. Free Price Quote From a Local Dealer. View Special Offers. 2004/t3-12-1 CHEVROLET AVALANCHE SPECIFICATIONS. OVERVIEW.
  3. Avalanche 1 Blazer 1 Bolt EV 1 C/K 1500 1 Camaro 1 Captiva Sport Fleet 1 Cavalier 1 Cobalt 1 Colorado 9 Corvette 2 Cruze 37 Cruze Limited 4 Equinox 42 Impala 5 Malibu 21 Malibu Limited 1 Silverado 1500 25 Silverado 1500 LD 5 Silverado 2500 1 Silverado 2500HD 3 Silverado 2500HD MPG HWY. 18-19 1. Show All. 8 1. Show All. Body Color. Gray.
  4. Received 667 Likes on 320 Posts. I have a 2001 2500HD CC with 8.1, allison trans, and 3.73 gears. I get between 9.5 and 11.5 mpg. Only put about a 1000 miles on it since I bought it about 6 weeks ago and only towed with it once for about 50 miles. About 75% of the miles are at highway speeds for my mpg figures
  5. g this is based on the 2500? Yes it's a 2500 but it has a 4l80e transmission like the 6.0 and not the Allison transmission that the 8.1l 2500 trucks. I can't remember if the engine was detuned. 8.1 is that the mpg as well
  6. My wife's car is a Lincoln MKZ that gets good gas mileage and I have a company car, so the mileage or lack there of for the big block is somewhat negated. All suggestions/ comments are welcomed. Re: 2013 sierra 6.2 vs 2002 avalanche 8.1

Retired. N/A. 46,206 satisfied customers. 2005 Avalanche 1500: with 92,000 kms on it for $17,000. I have the option of buying a 2005 Avalanche 1500 with 92,000 kms on it for $17,000, OR a 2008 GMC Sierra with 122,000 kms for $20,000. In read more original owner, zero problems from the engine or tranny. uses 1 qt per 3,000 miles. can squeeze 12 mpg empty on the highway. normally it's around 10 mpg. working hard is about 8 mpg. don't waste money on anything but a pcm tune for any mpg or improvements unless you want to sink serious money into it As the saying goes, there's no substitute for cubic inches, and the 2500 Avalanche doesn't disappoint. Motivated by an 8.1L/340-hp OHV V-8-yes, the Big Block Chevy lives-passing an incredible 455. 92 Posts. #16 · Jan 6, 2013 (Edited) Ive got a 2001 2500 4x4 Suburban 8.1L with 298,000 miles on it for a tow rig, shes got a full exhaust system, K&N intake, & Hypertech programer. Ive changed the fuel pump at 258,000, water pumps at 82,000 & 263,000, altinator around 120,000, first brake change at 285,000 NO LIE, oil changes at 6,000 to. 30-65%. 2.9L Supercharger Tuner Kit - $7999. The 2.9L supercharger kit makes 8lbs of boost and is good for 600hp / 690ft-lbs with stock cylinder heads, 202 camshaft and a forged rotating assembly. Our aluminum heads, stroker kits, larger camshaft options and smaller pulley diameters allow you to make substantially more power

My Avalanche is a 2007 LTZ fully loaded with a 6.0 motor. Called Gm and they were very helpful. Took to local chevrolet dealership and diagnosed with # 4 cylinder misfired and lifters were broke or locked up and cam was damaged. They are replacing all lifters and new cam in it Bad Gas Mileage Causes: Incorrect tire pressure is a common cause of bad gas mileage. It's also one of the easiest things to correct. Periodically checking your tires with an inexpensive pressure gauge is a good way to catch this. Just be sure to use your car manufacturer's recommended pressure levels stamped onto the driver's side doorplate. The EXT doesn't have the same tow rating as the 2500 Avalanche and Suburban with the 8.1 (which comes with the better transmission, too). The 1500 Avalanche and EXT won't safely tow my travel trailer (30 ft), but the Suburban and 2500 Avalanche, with their 12,000 lb tow rating, can with ease

Video: Gas milage with an 8

Avalanche was nominated for the North American Truck of the Year award and was Motor Trend magazine's Truck of the Year for 2003. There are two engine choices: A Vortec 5.3 L V8 producing 290 hp (216 kW) and an 8.1 L V8 with 325 hp (242 kW). The drivetrain is rear wheel drive or available with selectable high/low four wheel drive DEALERS WILL INSTALL A FUEL TANK SHIELD. OWNER NOTIFICATION BEGAN FEBRUARY 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE.

General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application. Give us a call at 800-216-1632 to get started. We have a large selection of gear sets in stock and can recommend the correct. Get the most useful specifications data and other technical specs for the 2004 Chevrolet Avalanche 1500 5-Door Crew Cab 130 WB. See body style, engine info and more specs View detailed specs, features and options for the 2013 Chevrolet Avalanche 4WD Crew Cab LTZ at U.S. News & World Report

Chevy 8.1L Vortec Common Engine Problems - Vortec 8100 V

I have a 2002 Avalanche that the mpg has dropped from 20 to 13mpg. I do all the regular maintenance on the truck as recommended. New plugs, wires, cleaned the fuel injectors, filter, oil changes and filters w/ air filters etc. I noticed a drop in my milage and shortly after had to replace the cat. converter, sencors and exaust pipe and muffler. Chevrolet Avalanche Vehicle Engine Tow Limit (LB) Avalanche 1500 2WD 5.3L V-8 7,300b Avalanche 1500 2WD 5.3L V-8 8,200d Avalanche 1500 4WD 5.3L V-8 7,100b Avalanche 1500 4WD 5.3L V-8 7,900d Avalanche 2500 4WD 8.1L V-8 10,200c Avalanche 2500 4WD 8.1L V-8 12,000 Joined Feb 23, 2004. ·. 279 Posts. #5 · Dec 12, 2008. Hello, your oil pressure is about normal for the 8.1 with 5-30 oil. I was told that the idle psi is aprx 1 psi for every 100 rpm, therefor your idle speed at 500 rpm would give you 5psi. Straight 30wt. oil , or 10-30, or 10-40 will improve the idle psi somewhat. Sir-Col

Improving MPG on 8.1 - 2000-2014 Silverado & Sierra HD ..

For 2004, horsepower increased by 10 to 295 in the 5.3-liter trucks, but dropped by 20 to 320 in the 8.1-liter engines. 2004 Avalanches are offered with standard Hydroboost brakes that continue to. Bought band new. 2013 Avalanche Black Diamond 5.3L 120,000 miles as of right now- Replaced the cam a year and a half ago due to broken lobe, $5000.00. 2 weeks ago the lower engine went on me this will cost $8000.00. This vehicle is comfortable to drive but too expensive to own never again Chevrolet 2007-2012 Chevrolet Avalanche, Corvette, Silverado, Suburban, Tahoe 2008-2012 Chevrolet Silverado Hybrid, Tahoe Hybrid 2007-2012 GMC Sierra, Yukon Models 2008-2012 GMC Sierra Hybrid, Yukon Hybrid 2008-2009 HUMMER H2 Equipped With Gasoline Engine and 6 Speed Automatic Transmission 6L80 (RPO MYC) or 6L90 (RPO MYD However, many of our consumers report enjoying an increase in miles per gallon. Actual results will vary depending on your vehicle, driving habits, applied load on the engine (such as towing), existing factory air system restrictions, etc. Less restrictive air passageways such as an Injen air intake can provide more efficient combustion QYL Pack of 8 Ignition Coils Replacement for Avalanche Silverado Suburban Tahoe Topkick Savanna Sierra Yukon 1999-2009 4.8L 5.3L 6.0L 8.1L H6T55171ZC 3859078 C1208 UF-271 A-Premium Engine Ignition Coils Packs (with Round Type Coil) Compatible with Chevrolet Silverado Express Suburban Tahoe GMC Cadillac Hummer Isuzu Buick 8-PC Se

Mountain of Torque: Remembering the Short-Lived Big-Block

The 2005 Chevrolet Avalanche has 302 problems & defects reported by Avalanche owners. The worst complaints are transmission, accessories - interior, and engine problems It would appear that the recall should be extended to the 2002 model year as well as the same 8. 1 l motor was installed in the Chevrolet Avalanche 2500 truck (by the way, the vehicle was built in 2001), which, other that the different body style has the same chassis and motor as the suburban Chevy Performance Chips are an industry leader for improving Chevy performance and MPG. Chevy ECU Tuning Chips are best in class horsepower, torque and fuel economy gains. A 60 second plug-n-play install is all it takes to increase the performance and mileage of your vehicle. Performance is improved by dyno tuning your Chevy, creating a more. 2007-2011 Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe 2010-2011 Chevrolet Camaro 2007-2011 GMC Sierra 1500, Sierra Denali, Yukon Models 2008-2009 Pontiac G8 GT Built Prior to February 1, 2011 (Updated Valve Cover) and October 2010 (AFM Shield) Equipped with Any of the Following Engines

Gas Mileage of 2003 Chevrolet Avalanche - Fuel Econom

20 Used Chevrolet Avalanche 2500 cars for sale with prices starting at $6,000. Data-driven analysis of used cars for sale, and specifically the market for Chevrolet Avalanche 2500 models CHEVY AVALANCHE 1500/2500 5.3/8.1 LT LTZ LS Z71 SUPER OBD2 PERFORMANCE CHIP (Fits: 2002 Chevrolet Avalanche 1500) $55.99. Was: $79.99. Free shipping. or Best Offer For the 2007 to the 2009 models, a 6.0-Litre V8 with 366 horsepower and 380 lb-ft of torque was also an option. The earlier Chevrolet Avalanche models had a four-speed automatic transmission and for 2009 there was a six-speed automatic standard. This helped improve the fuel economy of the Avalanche If you are thinking about towing a trailer with a 2004 Chevrolet/GMC Avalanche 2500 4WD then it is important to know what your tow capacity is for your Avalanche 2500 4WD. Based on the Chevrolet/GMC owner's manual the tow capacity for a 2004 Chevrolet/GMC Avalanche 2500 4WD is: Year. Make The Chevrolet Suburban is a full-size SUV from Chevrolet.The name started in 1934 for the 1935 U.S. model year, making it the longest continuously used automobile nameplate in production. It has traditionally been one of General Motors' most profitable vehicles. The 1935 first generation Carryall Suburban was one of the first production all-metal bodied station wagons

Repair the Odometer/PRND321 LCD Display on a '99-'06 GM/Chevy Truck: In this Instructable, I will show you how to repair odometer/gear select (PRND321) LCD on your GM truck. In this case, mine is a '02 Chevrolet Avalanche but this should apply to all GMT 800 series trucks within this age range. A common fault on '9 CHEVROLET > 2005 > AVALANCHE 2500 > 8.1L V8 > Suspension > Torsion Bar Key. Price: Alternate: No parts for vehicles in selected markets. MEVOTECH {#XL325328CA} Supreme . Front. MEVOTECH . $117.79: $0.00: $117.79: Alternate: Quantity: Add to Cart. ACDELCO {#19195086} Professional . Front; with 8 Stud Hub; Allows Front Ride Height Changes Up To 2.

Rest assured, we know the truth. That's why we're counting down the 9 best ways to get more power from a Chevy Silverado. Whether your truck packs a petite 4.3, a sturdy 5.3, 5.7, or 6.0, a gnarly 6.6 Duramax, a behemoth 8.1, or anything in between, these mods are proven to increase horsepower and torque on your truck without breaking the bank Welcome back General. Specifications. 2002 Chevrolet Avalanche 1500. Engine Type. 5.3-liter V8 with cast iron block & cast aluminum heads, overhead valves, hydraulic roller follower, two valves per cylinder, chain cam drive. Horsepower. 285 @ 5200 RPM. Torque. 325 @ 4,000 RPM The 2020 Silverado HD is sold with a 10-speed Allison Transmission however the transmission isn't really made by Allison and is simply an Allison-branded unit The Chevrolet Avalanche is an amazing. I decided to get it because I have always driven a truck, I feel more comfortable in something with some size and 4 wheel drive. It is the only vehicle that I have ever owned that had what I was looking for. It handles very well, it gets moderate gas mileage, and has so much room

GM 8.1L Vortec L18 V-8 Specs and Informatio

Gabriel Landeskog - #92 - Left Wing - Colorado Avalanche - Get the latest news, highlights, and career stats for Gabriel Landeskog from CBSSports.com This Used 2013 White Diamond Tricoat Chevrolet Avalanche 4WD LTZ Truck with a Vortec 5.3L V8 SFI Flex Fuel engine and Automatic transmission is for sale at H&H Chevrolet in Omaha, NE. Contact us online or give us a call at (402) 339-2222 to obtain a price quote for this vehicle Avalanche comes as a half-ton 1500 model with a 5.3-liter V8 and as a heavy-duty 2500 with an 8.1-liter V8. Each offers rear-wheel drive with optional traction control or GM's Autotrac 4WD that can be left engaged on dry pavement and includes low-range gearing

AVALANCHE 2500 4x4 Hi/lo/onDemand 4x4. 8.1 496 Big Block. HD Allison Transmission New spark plugs New Fuel Pump All Fluids changed (oil, difs, trans, transfer case, brake, coolant, 100% all flushed new). Comes with Thule Bike Rack, Not shown. Newer tires, LT Driven 86,000 miles Automatic transmission Exterior color: White · Interior color: Blac Buy Carbole 8 Pcs Ignition Coil Pack + 8 Pcs 8mm Spark Plug Wires for Cadillac Escalade, Chevy Silverado, Avalanche, Express 3500, Suburban, Tahoe, GMC Sierra 4.8, 5.3, 6.0, 6.6, 8.1 L for UF271 D581 1255: Coil Packs - FREE DELIVERY possible on eligible purchases MPG City MPG Hwy Invoice MSRP; Avalanche 1500 5-Door Crew Cab 130 WB : 14 18 $28,131 8.1 : Length, Overall (in) -. P0171 CHEVROLET Description The Engine Control Module controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and emission control.Fuel delivery is controlled differently during Open Loop and Closed Loop. During Open Loop, the ECM determines fuel delivery based on sensor signals without heated oxygen sensor (HO2S) input Chevrolet Avalanche 2001 Specifications & Features, Equipment and Performance. This is an online automotive information provider of Chevrolet Avalanche 2001 specifications and features, equipment and performance including fuel economy, transmission, warranty, engine type, cylinders, drive train and more

Avalanche 1 BEL AIR 1 C10 1 CHEVELLE 2 CHEVELLE SS 3 COSWORTH VEGA 1 Camaro 5 Classic 6 Colorado 2 Corvette 1 Corvette Stingray 1 Cruze 4 EL CAMINO 1 Equinox 8 Express Cargo Van 1 Impala 1 Malibu 4 Silverado 1500 6 Silverado 2500HD 2 8 1. Show All. Status. In Status. In Stock 1. Show All. MPG HWY. 21-22 1. Show All. History Report. Yes. Xterra (VQ40DE) (2) 4. N/A. 07-13. X-Trail (MR20DE and QR25DE) (2) 4. N/A. Select pre-2007 Nissan Vehicles may be equipped with an older K-Line based ECM which is not supported. If you are unsure which ECM your vehicle has, please email support@hptuners.com to verify support before purchasing New High Output Revolution X™ 750 Engine. With a blacked-out finish, the High Output Revolution X™ engine features a dual throttle body, cylinder heads, enhanced intake ports and cams, and a 12.0:1 compression ratio that delivers 18% more horsepower and 8% more torque than the Harley-Davidson Street® 750

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