Adding the intercooler allowed us to increase the boost pressure to 11.3 psi, where the turbo 5.3L pumped out 608 hp at 5,700 rpm and 641 lb-ft of torque at 4,700 rpm. Test 2-Twin Turbo-- Modern Mouse ...

Our carburetor is the venerable Holley HP 750-cfm double pumper, and the EFI kit is Holley's Terminator throttle-body-injection system, which is basically a bolt-on/plug-n-play system for the LS ...