That's enough power to put you into the high 12s with a 3,600-pound street car with decent traction. If you're looking for bang for the buck, put your money on the cam, springs, and rockers and you've still got a thumpin' 383 that makes 454 lb-ft of torque and virtually 400 hp. I used the GM Performance Hot cam kit 12480002 Hydraulic Roller Camshaft Kit in my LT1 even though you can use it in a pre 95 SBC.Of course, this will add over $950 to the price of the crate HT 383. Thinking of throwing 1.6 ratio rockers over the LT4 hot cam on my build. Overall, the combination of the GM Performance Parts Hot cam and valvesprings with the Edelbrock Performer RPM Air Gap, Holley 750-cfm carb, and Hedman 13/4-inch headers was worth an astonishing 100 hp and an eyeball-flattening 95 lb-ft of torque over last month's best. The torque gains were mostly single-digit until the very top where the three amigos combined to produce 10 more horsepower at 5,600 rpm. The bigger headers and manifold lost barely a touch of torque at the very bottom of the power curve compared to the GM manifold and smaller headers, but it was well on its way to cranking out more torque by 2,800 rpm. With the headers, intake, and carb in place and a quick jet and timing test completed, Taylor again pulled the handle on the dyno and downloaded the power curve into Duttweiler's dyno memory banks.
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