Technical Data
Engine Block: 1969 Pontiac YH 428
Bore and Stroke: 4.120" x 4.00" bored .030" 433 cubic inches.
Heads: 670s Ported by Dick Phillips, High Flow Development. 3 angle valve job.
Valve Springs: Comp Cams.
Rocker Arms: Melling 1.65:1
Retainers: Stock.
Valves Manley stainless 1.77 - 2.11
Valve Seals: Fel Pro SS 70014 neoprene umbrella seals, intake only.
Lifters: Crane hyd (Rhoads on the way?)
Push Rods: Crower 9.350"
Crankshaft: Original 428, .010/.010 with polished journals
Rods: Stock.
Rod Bolts: ARP.
Pistons: Sealed Power forged +.030, dished to lower compression to 9.75:1 with 670 heads.
Rings: Sealed Power single moly.
Bearings: All bearing are Clevite 77.
Timing Chain: Cloyes with 3 keyways.
Gaskets: Fel Pro engine set.
Camshaft: Crane Cams 230 degrees intake and 240 degrees exhaust duration @ .050"; lift .517" intake/ .517" exhaust with 1.65 rockers.
Intake & Carbs: ' Edelbrock P65 , 2 Edelbrock 600's.
 
 Exhaust: Walker 4 tube headers, 3' collectors, 3" exhaust pipes to 3" 2 chamber Flowmaster mufflers
 Ignition: Stock distributor, Pertronix Ignitor, MSD 6AL with 6000 rev module, MSD Timing control, MSD Blaster2 coil, Moroso Blue Max wires.
 Oil system: Melling M54DS oil pump.
 Transmission: T-400 with B&M Shift kit, TCI 2800 Break-away converter, B&M Remote transmission filter and cooler, B&M Trick shift fluid.
 Rear End: Ford 9 inch, 3.89 gears, Detroit locker, Moser 31 spline axles
 Tires: Mickey Thompson ET streets rear, Mickey Thompson Profile 3.5x15 front, on Weld drag-lites. Mickey Thompson ET Drags 28X9.0-15 on 15" Weld drag-lites rims
Vehicle Weight: 3430 lbs with driver.
Other Mods: Lakewood Driveshaft loop, Competition Engineering Subframe connectors, TCI Line lock, Flowtech exhause cutouts, Battery relocated to trunk.

BEST PERFORMANCE

Date - 04.27.02 Track - Desoto Dragway - Bradenton, FL

R/T 60' 330' 1/8 MPH 1000' 1/4 MPH
.514 1.789 5.057 7.782 89.88 10.141 12.118 113.52

 

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