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bobolds · 03-13-2007, 07:55 PM

Rebuilding 455 and looking for cam advice.

455 0.030" over
cast stock high compression pistons (sealed power 369P 30)
9.43 to 9.70 actual compression (depending on head gasket, 0.043 or 0.028)
C casting heads, 2.0" valves, mild porting
quadrajet, with dual plane intake
1.5 inch headers

Gearing:

2 speed jetaway
1st gear 1.765
2nd gear 1.0

switch pitch convertor
low angle 1.8 torque multiplicaton 1800 stall
high angle 2.45 torque multiplication 2300 stall

tires: 23" diameter

rear: open 2.78:1

The man at the comp cams phone helpline suggests:
1. XE262H .475"/.480" 218/224 at 0.05
2. OL 268H-10 0.456/0.456 218/218 at 0.05

A cheap option is a local deal. I can buy a used/new in box locally for $50 including lifters/pushrods
OL 265DEH-10 0.472/0.486 211/223 at 0.05 (comp cams)

I am looking for the quickest quarter mile time with my high gearing...and I want the car to be drivable on the street.

03-13-2007, 07:55 PM	#1 (permalink)
bobolds Junior Member Join Date: Oct 2006 Posts: 4	cam selection for 455 build Rebuilding 455 and looking for cam advice. 455 0.030" over cast stock high compression pistons (sealed power 369P 30) 9.43 to 9.70 actual compression (depending on head gasket, 0.043 or 0.028) C casting heads, 2.0" valves, mild porting quadrajet, with dual plane intake 1.5 inch headers Gearing: 2 speed jetaway 1st gear 1.765 2nd gear 1.0 switch pitch convertor low angle 1.8 torque multiplicaton 1800 stall high angle 2.45 torque multiplication 2300 stall tires: 23" diameter rear: open 2.78:1 The man at the comp cams phone helpline suggests: 1. XE262H .475"/.480" 218/224 at 0.05 2. OL 268H-10 0.456/0.456 218/218 at 0.05 A cheap option is a local deal. I can buy a used/new in box locally for $50 including lifters/pushrods OL 265DEH-10 0.472/0.486 211/223 at 0.05 (comp cams) I am looking for the quickest quarter mile time with my high gearing...and I want the car to be drivable on the street.