Technical Data
Block |
455 |
Bore/stroke |
4.185" x 4.25" for 468 cubes |
Deck height |
NA |
Crank |
stock 1977 455 crank off set ground to 4.25" stroke; 20/10; journal resized for BBC rods |
Rods |
Eagle 6.8" BBC rods |
Piston/rings |
Ross dished pistons that provide 10.25 static compression |
Heads |
Edelbrock 72 cc aluminum heads race ported by SD Performance; 2.19" Ferrea SS intake valves and 1.77" SS exhaust valves; pushrod holes offset .25"; head flow at 28" of water--330+cfm at .700" of lift; Yella-Terra 1.65 off set shaft rockers |
Camshaft |
Comp Cams mechanical roller, 51-751-9; #288R; 244 degrees intake and exhaust; lift .550" both valves on a 110 degree LSA 244@ .050" |
Push rods |
Manton |
Timing set |
NA |
Gaskets |
NA |
Intake/carb |
Ported Holley Street Dominator intake with 900 cfm Holley FI |
Fuel pump |
NA |
Cooling |
Milodon aluminum water pump |
Lubrication |
Melling oil pump |
Ignition |
Recurved HEI distributor with Accel HEI coil and MSD 6AL adjustable timing control |
Exhaust |
Hooker 2" primaries, 3.5" collectors; 3" exhaust tubing through 2 chamber Flowmasters |
Drivetrain |
THM 400 with 11" converter and TCI flex plate |
Rear gears |
12 bolts with 3.73 |
Suspension |
Front: Lakewood drag 90/10 drag shocks, 50/50s in the rear; home built Cal-Trac design traction bars |
Tires |
Centerline 15/7 Fluted Stars with BFG 215/65/15 up front and 15/10 Fluted Stars with Hoosier QT 295/50/15 in back |
Other |
Canton Road Race oil pan with windage tray and scraper |
Safety |
6-point roll cage; 2" x 2" hollow tubing for weld in sub frame connectors |
Performance |
Not tested at the strip |