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**StingRay** · 07-31-2003, 10:36 PM

If it's a 72 307 don't try that 4 bbl without the 350 heads as well. the 72 307 has tiny little ports and won't be the effort of a 4 bbl swap without better heads.

07-31-2003, 10:36 PM	#10
StingRay Senior Member Join Date: Mar 2000 Location: Saskatoon,SK,Canada Posts: 2,490	If it's a 72 307 don't try that 4 bbl without the 350 heads as well. the 72 307 has tiny little ports and won't be the effort of a 4 bbl swap without better heads. __________________ Saskatoon, Saskatchewan Canada