07-08-2019, 09:46 PM

BLACK 67 GOAT BLACK 67 GOAT is offline

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Join Date: Aug 2010

Location: North Abington Twp., Pa.

Posts: 37

Quote:

Originally Posted by mysticmissle

bad geometry and push rod flex. what head and rocker ratio? guide plates correct? Is this a new combo or making changes?

69 Ram air iv heads, 1.5 ratio exhaust 1.65 intake. No guide plates, t & d shaft rockers. Only change was 1.65 rockers on the intake. Exhaust is what broke. Pushrods have about 100 passes on them. I've never seen one break like this without being bent at all.

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