put a 5.3L in it with cam, hardened pushrods, tune and longtube headers. THe 4.8L is anemic without a lot of work and with it's short stroke crank has a hard time making torque to pull hills even with an empty truck.
put a 5.3L in it with cam, hardened pushrods, tune and longtube headers. THe 4.8L is anemic without a lot of work and with it's short stroke crank has a hard time making torque to pull hills even with an empty truck.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
X2 or 6.0 with the mentioned above. I hate my 4.8.Originally Posted by RedHeartbeat
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