Engine Block: |
1969 Pontiac 428 with 4 bolt mains |
Bore and Stroke: |
4.121" x 4.00"; bored .030" to accommodate forged pistons
with moly rings |
Heads: |
670s ported by Mullins; heat cross-over bronze filled and blended into
chamber. Final combustion chamber size of 77ccs with RAIV valves |
Deck Height: |
negative .010 |
Valve Springs: |
Comp Cams, 1.800 installed height |
Rocker Arms: |
Crower 1.65:1 SS Roller Rockers |
Retainers: |
Stock |
Keepers: |
Iskenderian |
Valve Seals: |
Fel Pro SS 70014 neoprene umbrella seals, intake
only |
Lifters: |
Stock RA IV |
Push Rods: |
Crower 9.314" |
Crankshaft: |
Original 428, .010/.010, now .020/.020 |
Rods: |
1973 Pontiac SD |
Rod Bolts: |
1973 Pontiac SD |
Pistons: |
Sealed Power forged +.030 |
Rings: |
Sealed Power single moly |
Bearings: |
All bearing are Clevite 77 |
Timing Gear and Chain: |
Hamburger with 8 keyways |
Gaskets: |
Stock Pontiac, a variety over the years |
Camshaft: |
Competition Cams 305 H; 253 degrees intake and 260 degrees exhaust duration
@ .050"; lift .525" intake/ .532" exhaust with 1.5 rockers;
as installed with 1.65 rockers 257 degrees intake and 264 degrees exhaust
@ .050"; a lift of .577" intake/ .585 exhaust. Lobe separation
angle of 108 degrees installed 2 degrees advanced |
Ignition: |
MSD6A with separate rev limiter set to 6600 rpm |
Intake Manifold and Caburetion: |
'66 Tri-power, heat cross overground off; Stock '66 Tri-power
Rochester 2GCs, 3 coils cut frompower valve plunger spring.
Jets are.070/.063/.070 |
Exhaust: |
Stepped headers by JBA, 1 7/8" to 2", 3.5" collector
exiting through 3" exhaust pipes to 3" Walker Super SS Turbos |
Oil Pump: |
Stock Pontiac RAIV |
Transmission: |
M-22 Rock Crusher/ Hurst Competion shifter |
Rear End: |
4.33 gearing; 12 bolt axle from a 1966 Chevelle; Moroso "Brute Strength
posi unit with"C" clip Eliminator package installed for safety |
Suspension / tires: |
Street tires: M&H P275-60x15s on 15"x8.5" Centerlines,
rear; 15x5.5" Centerlines on front. |
Vehicle Weight: |
3800 lbs with driver |