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1legjerry · 11-06-2017, 07:17 PM

craiger

I think you got your answer. I would add if this is your last build and you just want to have keep that poncho 400 well under 6500rpm, send it in for a refresh about every 150-200 passes and you should be fine.

O yeh get rid of that offenhauser manifold too.

11-06-2017, 07:17 PM	#29
1legjerry Junior Member Join Date: Jul 2011 Posts: 68 Likes: 4 Liked 59 Times in 9 Posts	Re: HELP,HELP pontiac gurus craiger I think you got your answer. I would add if this is your last build and you just want to have keep that poncho 400 well under 6500rpm, send it in for a refresh about every 150-200 passes and you should be fine. O yeh get rid of that offenhauser manifold too.