Engine Block: |
1974 Pontiac 455 with 2 bolt mains |
Bore and Stroke: |
4.15" x 4.21"; + .030" over, 462 cubic inches; one cylinder
sleeved |
Heads: |
'77 6x heads measuring 98 ccs; home ported by Brian (bowls blended, casting
flash removed from ports, exhaust ports polished (smog bump not removed);
exhaust seats enlarged to 1.77"; stainless steel valves; stock guides;
7/16" screw in studs |
Deck Height: |
info in not available |
Valve Springs: |
Butler double springs installed @1.700" |
Rocker Arms: |
Harland-Sharp roller rockers |
Retainers: |
stock |
Keepers: |
stock |
Valve Seals: |
O rings |
Lifters: |
Comp Cams anti-pump up |
Push Rods: |
Chrome Moly 9.20" |
Crankshaft: |
Stock, journals polished, balanced; oil hole chamfered; ARP bolts; mains
have .002" clearance |
Rods: |
Stock, reconditioned; magnafluxed and shot peened; beams polished; clearance
at .0025" |
Rod Bolts: |
ARP |
Pistons: |
JE .030" over with light weight forged pistons/ light weight wrist
pins |
Rings: |
top ductile/ 2nd moly |
Bearings: |
All bearings are Clevite 77 |
Timing Gear and Chain: |
double roller with 3 slot keyway |
Gaskets: |
Fel Pro engine set, Felpro header and collector
gaskets |
Camshaft: |
Custom grind Comp Cams with 237 intake/ exhaust @0.50"; 288 advertised
duration intake/exhaust; 112 degrees intake centerline; installed 2 degrees
advanced; .531" lift with HS rockers |
Intake Manifold: |
Edelbrock Performer with intake gasket matched; heat risers blocked |
Carburetion: |
'73 750 cfm Q-jet with Jones Stage 2 prep; 78 jets/49 rods primaries,
BG rods secondaries |
Fuel Pump: |
Stock AC-Delco replacement pump from 73-74 SD 455 with 3/8" fuel
line from the tank |
Exhaust: |
Hooker Super Competition headers (1.75" primaries with 3" collector), |
Ignition: |
Stock HEI with MSD Blaster 2 coil and MSD 6AL with limiter set to 5600
rpm; control module removed from HEI and bypassed utilizing the 6AL as the
trigger; Moroso Blue Max 8mm spiral wires; AC R45 plugs @ .045" gap;
initial timing set 14-16 degrees, total timing set to 34 degrees--in by
2800 rpm |
Oil Pump |
60 PSI pump, HD drive rod; screened windage tray (fromWarrior); Nunzi's
adapter eliminates the oil filter housing; 8 AN steel braided line to remote
filter mounted on passenger side in front of wheel well |
Transmission: |
TH-400 with HD sprags and clutches, modified with shift kit, 2500 rpm
convertor (flashes to 2700-2800); auxillary cooler mounted in front of radiator
and A/C condenser; shortened stock driveshaft to work with TH-400 |
Rear End: |
3.23 gearing in stock 8.5 " 10 bolt limited slip unit with stock
C-clip axles (no traction bars or other traction control devices) |
Suspension / tires: |
BF Goodrich 245/ 60 x 15s on the street; McCreary G 60s on the rear at
the strip with 15-18 pounds of pressure depending on track conditions |
Vehicle Weight: |
Approximately 4000 pounds with driver |