Vehicle:
1972 Oldsmobile Cutlass Supreme Convertible
4,150 pounds with driver and 1/2 a tank of fuel
Engine:
1970 block, 455 + .030" overbore = 461ci, 4.155" bore
Eagle crank 4.25" stroke
Rocket Racing H-beam rods. 6.735" rod length, ARP hardware
Race Tech 4032 alloy pistons. 550 gram, 1.5 ring pack, 10.4:1 compression
Edelbrock RPM heads (2nd Gen). BTR CNC porting, 2.14" intake, sleeved pushrods, 77cc chambers, Cometic 0.040 MLS gasket
9.42" Comp High Tech pushrods. 3/8", .08" wall thickness
Harland Sharpe Olds roller rockers. 1.7:1 ratio
Custom Lunati hydraulic roller cam. 226/234 @ 0.050, 282/290 advertised, 0.557/0.557 lift, 111° LSA
Comp Cams hydraulic roller lifters
Dick Miller billet, multi-key timing chain
Moroso 7 quart oil pan, Melling high volume oil pump
ATI 166 tooth flexplate
American Racing Headers. 1-7/8" primaries, 3" collector, 3" to X-pipe to 2.5"
Flowmaster American Thunder 2.5" exhaust system out the back
GM HEI ignition with DUI internals and cap, MSD 8.5mm Super Conductor wires, NGK 4644 BKR7E plugs
Edelbrock Performer RPM intake with center divider cut down 1"
1" HVH Super Sucker tapered spacer
Holley 950HP carburetor
Aeromotive Billet Street electric fuel pump, RobbMc 1/2" modified sending unit
2.25" K&N filter with Summit Racing breather lid (this intake combination is snug with bottom of hood)
Drivetrain:
Original TH350 transmission
TCI heavy duty 36 element sprag and drum assembly, HD clutches, B&M Transpak
Coan Big Block Pro Street 11" Convertor @ 2,600 stall
Custom one piece drive shaft with heavy duty u-joints
Original corporate 10 bolt, Eaton posi carrier, Moser 28 spline axles, Summit Racing 3.42:1 gears
Suspension and Tires
Boxed in factory lower rear control arms, factory upper control arms, 1" sway bar
Polygraphite bushings, tubular Edelbrock control arm braces
265/70-15 BFG T/A radials front, 325/50-15 M&H Drag Radials rear
Oldsmobile chrome SSII wheels 15x7 front, 15x10 rear
Fastest run to date: 8.16 @ 84mph 1/8th mile, 1.80 60ft
Rear Wheel HP: 369
Rear Wheel torque: 421
This is a very street friendly combination
Dyno Run!
Back to main page On to Car History