Did GM make a 2500 avalanche?

The 2500 model of the previous generation was discontinued. A special Z71 package was offered for the second generation Avalanche. For the 2010 model year, the 6.0-liter was dropped from the Avalanche lineup which left the 5.3 V8 as the only engine available for the SUV.

Is the 8.1 La good motor?

The 8.1 Vortec is named the “Workhorse” and this name is completely true. Overall, these engines are extremely reliable and are built to last beyond 250,000 miles. The Allison transmissions that most are coupled with are known to be some of the most popular/favorite transmissions out there.

How much power can a 8.1 Vortec make?

With their supercharger kit, the Vortec 8100 can make an impressive 600 HP and 690 ft/lb torque using the stock cylinder heads, 202 camshafts, and a forged bottom end. If you’re willing to fit aluminum heads, stroker kits, larger camshafts, and smaller pulley’s, then you could be looking at substantially more power.

Is the Vortec 8.1 a big block?

In fact, the engine was manufactured until 2009 for motorhome and various marine applications. The 8.1L is a big bore, big stroke engine with a near square bore-to-stroke ratio and a ~5,000 RPM redline….GM 8.1L Vortec V-8 Engine Specs (Vortec 8100)

Engine: General Motors Vortec 8100
Type: 90° V-8

Which year Chevy Avalanche is best?

The changes proved well for the truck, as the 2003 model year had the highest sales of any at just over 90,000 units sold. Even though the previous year (2002) won Motor Trend’s Truck of the Year award, the 2003 model year is the best candidate for a first-generation Avalanche.

Is a Chevy Avalanche a 3/4 ton?

Chevrolet Avalanche comes in two weight ranges: 1500 (often referred to as half-ton) and the 2500 (three-quarter ton). Both are offered in 2WD and 4WD.

How many miles per gallon does a 8.1 liter get?

On average, vehicles equipped with the 8.1 get less than 15 miles per gallon. You can make some changes to the way you operate your Chevrolet 8.1 to attempt to get better fuel mileage; however, you should not expect miracles.

Do all 8.1 have Allison?

In the LT trim trucks the Allison was standard equipment behind the 8.1L engine. NO Chevrolet or GMC pick-up truck was ever built with an 8.1L engine, and the 4L80/4L85E transmission. If you chose a pick-up truck with the standard 6.0L gas engine it would come with a 5-speed manual as standard equipment.

What problems do Chevy Avalanche have?

Top Chevrolet Avalanche 1500 Problems

  • 4WD Transfer Case Position Sensor/Selector Switch May Fail.
  • Speedometer or Other Instrument Panel Gauge May Work Erratically.
  • Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail.
  • Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft.

Can a Vortec 8100 be used in an avalanche?

The Avalanche’s novel “midgate” cab/bed barrier could be folded flat to extend the pickup load floor into the passenger area, allowing for some fairly serious hauling. Customers willing to step up to the 2500 enjoyed not only greater payload and towing capacities, but also enjoyed Avalanche-exclusive access to the big-block Vortec 8100.

What was the weight of the Avalanche 2500?

However, with a 6000-pound curb weight, it’s reasonable to assume most Avalanche 2500 owners were spending a lot of money on gas. Though Avalanche sold well overall, sales of the 2500 version were dismal.

How much horsepower does a Vortec 8100 have?

Customers willing to step up to the 2500 enjoyed not only greater payload and towing capacities, but also enjoyed Avalanche-exclusive access to the big-block Vortec 8100. Rated at 320 horsepower and 440 foot-pound of torque in Avalanche trim, the 8100 engine was the perfect partner for owners looking to do some heavy-duty towing and hauling.

Where was the Chevy Avalanche 2500 last serviced?

Accident reported: moderate damage. 1st owner purchased on 02/15/03 and owned in MI until 07/23/10 • 2nd… 1st owner drove an estimated 0 miles/year • 2nd owner drove an estim… Last serviced at 63,334 miles in Saginaw, MI on 11/14/11 • Vehicle s… No accident or damage reported to CARFAX.