gary534

4.375 bore x 3.50 stroke - 421 CID, 1.25 bore / stroke ratio, 1.55 piston pin ht, 0 deck clearance, 5.95 con rod length, 1.7 rod ratio, 9.25 block deck ht. Gear driven cams ( sent them a drawing of what I had in mind ). Crank to stub shaft centers 5.070, 3.380 crank gear - 32 teeth, 6.760 reduction gear - 64 teeth, 3.380 stub shaft gear - 32 teeth, two per side lateral gears 5.070 - 48 teeth, 3.380 cam gears - 32 teeth. 15.620 crank to SOHC cam centers, 6.330 SOHC cam to head face, 0.040 thick head gasket.