| High Performance Pontiac Engine Buildup Worksheet |
| Engine Displacement 463 |
| |
| Bottom End |
| Block: '74 SD-455 |
| Preparation: Decked 0.020-in, bored, honed, align-honed |
| Cam Bearings: Dura Bond |
| Deck Height: 10.210-in |
| Crankshaft: Eagle cast-steel, 4.21 stroke, PN 104554210 |
| Preparation: Mic'd, balanced |
| Balancer: Stock |
| Rods: Eagle H-beam, forged-steel, stock-length, PN CR56625P3D |
| Preparation: Clean, measure, balance |
| Bearings: Main Clevite, PN MS-667P, Rod Clevite, PN CB-758-H |
| Preparation: Dress |
| Pistons: SRP forged flat-top with valve reliefs, PN 149721 |
| Compression Height: 1.480-in |
| Preparation: Clean, measure, balance |
| Piston-to-Deck Height: Zero |
| Piston Pins: SRP, tool steel |
| Method Used to Retain Piston Pins in Pistons: Spiral locks |
| Rings: Perfect Circle, PN 315-0032-065 |
| Preparation: File-fit, deburr, clean |
| Rod bolts: ARP |
| Oiling System |
| Oil Pan: Stock |
| Oil Pump: Melling high-volume, PN M-54-F |
| Preparation: Check, clean, weld pickup |
| Heads |
| Casting Number: 16 round-port SD |
| Head Mods: Mild port and polish, milled 0.050 |
| Combustion Chamber Volume: 98cc |
| Compression Ratio: 9.49:1 |
| Intake Port Volume: 206cc |
| Exhaust Port Volume: 186cc |
| Valves, Intake: Ferrea SS 2.11-in, PN F5073 |
| Valves, Exhaust: Manley SS 1.77-in, PN 11355-8 |
Angles Used in Valve Job- Intake: 30-45-60-75-82-deg
- Exhaust: 30-45-55-82-deg
|
| Head Bolts: ARP, PN 190-3603 |
| Retainers: Comp Cams, steel, 10-deg, PN 740-16 |
| Keepers: Comp Cams, Super Locks, 11/32, 10-deg, PN 611-16 |
| Valveguides: Bronze |
| Valve Seals: PEP, 11/32x0.500 |
| Spring Cups: Comp Cams, 4770-16 |
| Rocker Studs: ARP 7/16-in, PN 235-7204 |
| Rocker Arms: Comp Cams roller 1061-16 |
| Rocker-Arm Ratio: 1.65:1 |
| Pushrods: Comp Cams, High Tech, PN 7775-16 |
| Diameter: 5/16 in |
| Length: 8.650-in |
| Guideplates: Comp Cams, PN 4851-8 |
| Cam |
| Brand: Comp Cams hydraulic roller, PN K-51-423-9 |
| Duration at 0.050: 224/230-deg |
| Lift: 0.552/0.561 |
| Lobe-Separation Angle: 110-deg |
| Installed Position: 105.5-deg |
| Lifters: Comp Cams roller |
| Valvesprings: Comp Cams, dual, PN 987-16 |
| Seat Pressure: 121-lbs |
| Open Pressure: 328-lbs |
| Timing Chain: Double roller |
| Induction |
| Carb: Barry Grant 750 Speed Demon |
| EFI: Mass-Flo MAF and throttle body |
| Intake Manifold: Edelbrock Torker II single-plane |
| Ignition |
| Distributor: Mallory from Mass-Flo |
| Exhaust |
| Headers: Hooker Super Comp, 1.875-in |
| Collectors: 3.5-in |
| Gaskets |
| Brand: Fel-Pro |