1969 455 engine builld horse power ????

topjimmy19 · 10-28-2007, 04:16 PM

1969 455 c head block , bored .30 over, 2.07 valves,rocker lifters,comp cam 520/523,comp.. springs,competition valve job,port cylinder heads, keith black pistons, 8.7 -1 compression, edelbrock intake, edelbrock 750 cfm carb, headers, 2.5 exhaust. What kind of horse power and torque can I expect ? Engine is sitting on the stand yet to be put in my 70 442. Thanks for the response

captjim · 10-28-2007, 06:44 PM

Hard to say but that seems like a LOT of cam for 8.7 to 1. In the 470 area, maybe more, but it might be a tad soft down low.

10-28-2007, 04:16 PM	#1 (permalink)
topjimmy19 Junior Member Join Date: Mar 2007 Posts: 4	1969 455 engine builld horse power ???? 1969 455 c head block , bored .30 over, 2.07 valves,rocker lifters,comp cam 520/523,comp.. springs,competition valve job,port cylinder heads, keith black pistons, 8.7 -1 compression, edelbrock intake, edelbrock 750 cfm carb, headers, 2.5 exhaust. What kind of horse power and torque can I expect ? Engine is sitting on the stand yet to be put in my 70 442. Thanks for the response

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10-28-2007, 06:44 PM	#2 (permalink)
captjim Senior Member Join Date: Aug 2007 Posts: 149	Hard to say but that seems like a LOT of cam for 8.7 to 1. In the 470 area, maybe more, but it might be a tad soft down low.