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jonnyk · 11-17-2003, 12:53 AM

Yup, they are definitely low performers. 130cc intake ports are TINY. I would be looking at a GT40P for a budget performance head, they will kill those late 70's heads.

11-17-2003, 12:53 AM	#9
jonnyk Being stroked is great Join Date: Oct 1998 Location: Alberta, Canada Posts: 772	Yup, they are definitely low performers. 130cc intake ports are TINY. I would be looking at a GT40P for a budget performance head, they will kill those late 70's heads. __________________ Novi 2000 now spinning off the snout of the 331... Mods Pics