Block |
1970 RA III 400 with 4 bolt mains |
Bore/Stroke |
4.182" x 4.210" (462 cid) |
Deck Height |
.000" (zero) |
Heads |
1969 #16 d-ports; valves 2.125" intake and 1.800" exhaust; 12.5 to 1 cr |
Rocker Arms |
Crower SS, rollerized; 1.65 to 1 |
Pushrods |
5/16"- 9.450" & .080" wall |
Lifters |
Crower roller tappets |
Crankshaft |
455 crankshaft; machined to accept 3" mains of 400 block |
Balancer |
BHJ Dynamics Inc. (BHJ) |
Piston Rods |
Carrillo/ steel 6.625" |
Pistons |
JE custom flat top |
Rings |
Speed-Pro |
Bearings |
Clevite 77 |
Camshaft |
Ultradyne roller; 264 intake/ 271 exhaust @ .050"; LSA 108; lift of .689" |
Timing set |
Cloyes |
Intake/Carb |
Edelbrock Victor, single plane; Carb Shop Stage III 750 (926 cfm) |
Fuel delivery |
Electric- Holley Blue (2 total); Mallory 5 port regulator; Jaz 16 gallon fuel cell with sending unit; runs on race gas only |
Gaskets |
All FelPro except the intake which is made by Specialty Component Engineering, their p/n 128103 is slightly larger than most at 1.170" wide and 2.320" high. The heads & intake are port matched to this gasket size. |
Water Pump |
Meziere electric |
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Exhaust |
Hedman with 1 7/8" primary and 3.5" collectors into mandrel bent pipe; Dr. Gas X-type crossover into Walker Race Magnum mufflers |
Ignition |
MSD distributor; MSD 6AL box, blaster coil, and MSD crank trigger |
Oil Pump |
Melling MS54D; Canton 7 quart pan, crank scraper, and OEM windage tray |
Oil |
10w-30 Mobil 1 |
Transmission |
TH400 with manual valve body and deep pan; A-1 Automatic Transmissions 8" torque converter, 4200 stall |
Rear End/Gears |
GM 12 bolt with Moser axles, C-clip eliminator; Auburn limited slip with 4.33 to 1 gearing; T/A rear end girdle |
Other |
All reciprocating parts balanced |
Power |
Dynoed at 626 hp @ 6400; torque, 611 @ 4900; |
Chassis Mods |
6 point roll bar, sub frame connectors |
Suspension |
Landrum 300 lb./in leaf springs with Cal Tracs traction bars; and Competion Engineering drag shocks, front and rear; all sway bars removed; Moog 6 cylinder front coil springs |
Tires/ wheels |
26-7.50-15 M/T Sportsmans mounted on American Torque Thrust rims; Either McCreary L-60-15 D.O.T or 28-10.5-15w M/T slicks |
Brakes |
OEM, front disc, rear drum |
Car Weight |
3790 lbs. race weight |
ET/speed |
10.79 second 1/4 mile @ 123.55 mph; average 60' time is usually around 1.54-1.55 seconds. No current ET with lighter fiberglass hood and bumper. |