Wait a minute, you still have the 96 model 5.7L vortec? Horse of another color. That ones supposed to probably run 43 PSI. Not sure. Backfire/sputter would probably mean time for a distributor cap and rotor.
Wait a minute, you still have the 96 model 5.7L vortec? Horse of another color. That ones supposed to probably run 43 PSI. Not sure. Backfire/sputter would probably mean time for a distributor cap and rotor.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709