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darnall · 5/29/14, 4:56 PM

I was under the impression that the 174 rule was for any pushrod, 2 valve per cylinder engine, not just the Fontana..... but don't take that to mean I know this for sure, that's just the impression i was under.

5/29/14, 4:56 PM	#2 Re: Motor Rules
darnall Senior Member Join Date: Aug 2009 Posts: 773	I was under the impression that the 174 rule was for any pushrod, 2 valve per cylinder engine, not just the Fontana..... but don't take that to mean I know this for sure, that's just the impression i was under.