Please take a look at our other items or visit our Ebay Store. We are sure to have a truck that will fit your needs. We have hundreds of trucks listed on Ebay in every shape and size. Pulling is no comparison I have a 31' 5th wheel that weighs 8K empty and it pulls it with no sweat, I was very. My buddy has a 2000 2500HD with the 6.0 and his mileage is not that much better at all. Gas mileage was never better than 12 mpg no matter what.
We made a trip from DFW to Delaware and averaged 9.4 highway mpg for the trip (no toad). Live in Texas, so not to many mountains unless you go to Big Bend. If you have a specific question about any of our vehicles, don't hesitate to call and ask for a live description and personal vehicle "walk-around" from our sales staff. For the last 1 1/2 years, I drove a 2002 2500HD, with the 8.1/Allison, 4WD, Crew Cab. With the 8.1 Vortec and Allison tranny we get 7.5 to 9.0 mpg.
Westrive to offer only the best vehicles possible at a reasonable price. We do everything we can to clean and restore our vehicles to as high a standard as can be expected. Intake modification is essential if you are considering adding additional cubic inches to your 8.1L engine.2004 Chevrolet Silverado 2500 DescriptionĢ004 Chevrolet Silverado 2500HD LS 8.1L 8100 Vortec Lifted DVD 496ci BIG BLOCKĬontact our Sales Department for complete details anytime at 1-87.įree Flow Exhaust This truck is CARFAX CERTIFIED accident free.Īs with any used vehicle, you may find some minor imperfectionsin keeping with the age and mileage of the vehicle. Intake manifold modification will show gains throughout the RPM band. Intake manifold modification does not replace the Cool Gap manifold but does offer about 80% as much airflow.
8.1 vortec mpg 2500hd free#
We remove the stock plenum blockages inside the manifold to reduce restriction and free up horsepower and smooth the individual intake runners. This intake modification will increase airflow to your big block vortec engine and still retain stock looks and passes emissions. Vortec 8.1L Intake Manifold Modificationįor big block 8.1 liter engines not requiring maximum high-RPM airflow, we can modify your stock 496 / 8.1 liter intake manifold. Currently, in town driving, I am averaging 5.6 mpg. However, I am still curious as to what I should really expect to obtain when it comes to mpg. I realize that to even ask a question about 'Gas Mileage' for this type of truck is pretty immaterial as to it's purpose. On average, vehicles equipped with the 8.1 get less than 15 miles per gallon. In fact, Chevrolet stopped manufacturing this motor after six years, possibly in part due to pressure to produce more fuel-efficient vehicles. The BP-213 is our extreme race camshaft for extreme performance in all-out 540 or 600+ cubic inch engines. 2006 Silverado Ext Cab Short Bed 2500HD 8.1L Vortec 6spd Allison. A Chevrolet 8.1-liter V-8 motor is a large and powerful motor that is not recognized for its fuel mileage. Our BP-206 camshaft a midrange power oriented camshaft in 540+ cubic inch engines, strong power throughout the power band. Our BP-205 camshaft provides strong torque from idle and good horsepower with our aluminum cylinder heads. Cylinder Head Flow Comparison High Lift Camshafts
We’ve included the Dart Iron Eagle 8.1L cylinder head in both 4.5 and 4.26 bores for comparison. Below are flow numbers for our standard Raylar CNC heads and our special-order CNC Extreme cylinder heads. Raylar big block Chevy / GMC cylinder heads out flow every 8.1L cylinder head on the market. Our combustion chambers promote a more even burn, increasing engine efficiency, fuel mileage, improving driveability and reducing detonation in supercharged applications. We've gone to great lengths to make improvements over the stock cast iron Vortec cylinder head.
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