1971 Chevrolet Chevelle SS 454 SS (Chevelle)
Last updated Feb 16, 2011
This car was started by a man who was going through a divorce and could not finish it. The person who bought it next came down with heart problems and could not do anything with the car. The car was painted when I bought it; I finished the entire inside including all new dash and gauges. I got an extra 454 engine and turbo transmission and Barry Grant 950 carburetor in the deal. The engine was running hot so I built the extra engine and installed it into the car. The only problem is you can be running 60 MPH down the highway and floor it and it will break the tires loose. I do not consider this much of a problem as long as I am the one behind the wheel and not the passenger.
According to Patriot Heads sim software, this setup will make around 530 hp and 520 ft/lbs of torque, with the car being 40 over it should be around 555 HP and 545 ft/lbs of torque.
Heads, Patriot Performance 320cc intake 119cc chamber volume
Intake valve 2.25" +.250" exhaust 1.88" + .100"
Valve job 5 angle
Spring pressure 135lbs @2.000" 365lbs @ 1.400"
Timing, 32 degrees at 0 on pointer with vacuum unplugged and engine at 2000RPM’s
Spark plug, NGK R5671A stock# 5238
Carburetor, Gary Williams’s custom built 850 dual feed.
Cam information, Lunati 60203LK Cam and Lifters, Hydraulic Flat Tappet, Duration 268/276, Lift .542/.554,
Headers, Flow Tech ceramic coated 1 3/4 tube 3" collector
Intake, Edelbrock RPM performer.
Transmission, auto, turbo 400 short shaft with 2800 stall converter
Rear gear, 373
MSD 6A Part # 6200
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