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jjones752 · 5/29/14, 7:09 PM

Fontana is a "non cross-flow" head, whereas the Gaerte is cross-flow; aluminum block and head, pushrod, non cross-flow, 174 C.I. Cross-flow, 166.
There's way more, but that's the rules that pertain to these to motors.

5/29/14, 7:09 PM	#3 Re: Motor Rules
jjones752 Senior Member Race Count This Year: 19 Race Count Last Year: 22 Join Date: Jul 2011 Posts: 2,259	Fontana is a "non cross-flow" head, whereas the Gaerte is cross-flow; aluminum block and head, pushrod, non cross-flow, 174 C.I. Cross-flow, 166. There's way more, but that's the rules that pertain to these to motors. __________________ Jim Jones Midwest Thunder Speed2 Midget #97