cam selection

rob66 · 05-17-2000, 05:29 PM

what is the most cam I can get away with using press-fit studs & stock springs? ('66 289 with stock heads)

Saleen8995 · 05-19-2000, 06:54 AM

You can't really tell what size cam to use with just the valves and springs. You really need to know what the flow on the carb is. If its a stock 2-barrell, you probly shouldn't do any higher than like a .350 or so lift or your carb won't be able to keep up. The only thing in your valve train that would make a difference is the pushrods. If you get up into the .450 to .500+ range you will need shorter pushrods and at least a 600 cfm four barrell.

05-17-2000, 05:29 PM	#1
rob66 Registered Member Join Date: Mar 2000 Location: Lancaster, SC, USA Posts: 6	cam selection what is the most cam I can get away with using press-fit studs & stock springs? ('66 289 with stock heads)

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05-19-2000, 06:54 AM	#2
Saleen8995 Registered Member Join Date: May 2000 Location: Longwood, Fl, USA Posts: 4	You can't really tell what size cam to use with just the valves and springs. You really need to know what the flow on the carb is. If its a stock 2-barrell, you probly shouldn't do any higher than like a .350 or so lift or your carb won't be able to keep up. The only thing in your valve train that would make a difference is the pushrods. If you get up into the .450 to .500+ range you will need shorter pushrods and at least a 600 cfm four barrell.