This is getting expensive...
From
stock 152,000 mile 389 to a fresh 468 topped with Tri-Power.
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Technical Data
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| Engine Block: | 1972 Pontiac 455 with 2 bolt mains |
| Bore and Stroke: | 4.15" x 4.25"; + .035" over, .040" stroke, 468 cubic inches |
| Heads: | 6x-8 heads at 95cc; 2.11" and 1.77; 7/16" studs; "street ported" by KRE, Ferrea Valves |
| Deck Height: | Zero |
| Valves: | Ferrea 2.11/1.77" X 5.10" long |
| Valve Springs: | Crower 68405 (since been changed due to roller cam) |
| Retainers: | Comp Cams # 747-16 |
| Keepers: | Comp Cams # 611-16 |
| Valve Seals: | positive teflon intake and exhaust |
| Lifters: |
Comp Cams hydraulic roller lifters |
| Rocker Arms: | Comp Cams Magnum Roller Tips; 1.52 to 1 (stamped steel) |
| Push Rods: | Custom Length |
| Crankshaft: | Stroker crank from Eagle kit |
| Rods: | Eagle 6.8" Big Chevy H-beam Rods |
| Rod Bolts: | ARP |
| Pistons: | SRP Forged |
| Rings: | Speed Pro moly rings |
| Bearings: | All bearings are Clevite 77 |
| Timing Gear/ Chain: | Cloyes True Double Roller |
| Gaskets: | Fel Pro full engine set |
| Camshaft: | Comp Cams roller camshaft: 230 intake/ 236 exhaust @ .050" with 113 lobe separation angle degreed in at 107 degrees intake centerline. |
| Intake: | Stock 1965 Tri-Power |
| Carburetion: | Stock Tri-Power Rochester 2G's with 71/67 Jets |
| Fuel Pump: | Carter Street/Strip Mechanical |
| Exhaust: | Doug's Headers D-521, 2.5" Mandrel bent system
from PYPES Exhaust. (see gallery of Exhaust customization here) |
| Ignition: | MSD 8528 |
| Oil Pump | Melling 521D-S |
| Transmission: | Stock TH 400 (built by Radford Motorsports in Santa Maria, CA) with Continental Converter "Jim Hand Special" |
| Rear End: | Stock with '67 3.23 Safe-T-Track |
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Vehicle Weight: |
Heavy. |
| Cost: | I stopped counting last Spring.... |
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