1970 L78 CKO Block from Van Nuys - The Supercar Registry

#18

08-13-2014, 01:11 AM

WILMASBOYL78 WILMASBOYL78 is offline

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Re: 1970 L78 CKO Block from Van Nuys

I'm not sure if you can use the 290's with the 11 to 1 pistons...I think there would be clearance issues. The oval port heads were designed to work with the different dome design of the 10.25 to 1 motors. Perhaps some of the engine gurus can chime in [img]<<GRAEMLIN_URL>>/hmmm.gif[/img]

That aside, the oval port 290's are more than enough for a strong street/strip setup...the big square ports have the edge on the high end...but, most action takes place far below that.

wilma

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