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1971 Oldsmobile Cutlass - Double Negative
| BY THE NUMBERS | | '71 OLDSMOBILE CUTLASS | | Jeff Schwartz * Crystal Lake, IL | | ENGINE | | Type: | GM LS7 | | Block: | factory block with standard 4.125-inch bore | | Oiling: | stock LS7 dry sump with Peterson tank | | Rotating assembly: | custom Lunati | | 4.250-inch steel crank, | | stock 6.077-inch Titanium rods, | | 12.0:1 Wiseco pistons | | Cylinder heads: | GM LS7 castings | | with mild bowl blending | | Camshaft: | COMP 332/242-at-0.050 | | hydraulic roller; | | 0.610/0.610-inch lift; | | 115-degree LSA | | Valvetrain: | stock LS7 | | Induction: | GMPP LS7 single-plane intake manifold | | modified for EFI; Schwartz custom | | Throttle body adapter and air cleaner; | | factory LS7 throttle body and MAF sensor | | Ignition: | stock coil-on-plug ignition system | | Fuel system: | Rick's Hot Rod Shop tank, | | Bosch pump, Aeromotive regulator | | Exhaust: | Schwartz 17/8-inch | | long-tube headers, custom X-pipe, | | dual 3-inch SLP mufflers and resonators | | Cooling: | Be Cool radiator, Spal electric fans | | Output: | 601 hp at 6,700 rpm and 580 lb-ft | | at 5,200 rpm | | Built by: | Schwartz Extreme Performance | | DRIVETRAIN | | Transmission: | D&D Performance T56 six-speed, | | Hurst shifter, | | stock LS7 clutch and flywheel | | Rear axle: | Winters 9-inch floater rearend | | with aluminum center section, | | 31-spline axles, 3.50:1 gears, | | and Detroit Truetrac differential | | CHASSIS | | Frame: | custom Schwartz chassis | | Front suspension: | Schwartz upper and lower | | control arms and sway bar; | | QA1 springs and shocks | | Rear suspension: | Schwartz upper and lower | | control arms and sway bar; | | QA1 springs and shocks | | Brakes: | Baer 14-inch discs and | | six-piston calipers, front and rear | | WHEELS & TIRES | | Wheels: | Forgeline | | 18x9 SP3P, front; 19x12.5, rear | | Tires: | Michelin Pilot | | 255/40R18, front; 345/30R19, rear |
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