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They are closed chambered, have been ported and polished, 2.14 1.81 stainless valves. They have had a lot of work put into them. Not sure about the intake port floor I will have to look. The heads originally came from Jim Hale so I am told.
Further review I have found they may be 300J heads. They have 6 valve cover bolts and have the aluminum rocker shaft brackets. Casting number is 2463200-1 (1963). Any input on these?
My idea is low buck using parts I have. I think mopar action did a blower build with a smogger 440 using stock rotating assembly. I think it was a centrifugal blower though.
I have a lead on a motor for $250. I don't know the year yet. I will have to look at it to find out I am sure. You know the story "ran good when pulled just scrapping out the rv". I have fresh 906 heads ready to bolt on. I have the blower, manifold, pulleys, belts carbs etc... All set up for a...
Yeah i was thinking limit rpm and boost it would live for a while. I am on limited budget like everyone. wow factor and fun for a while anyway. You think 5-600hp is a reasonable expectation? I am assuming rv motors have cast cranks, so that would be externally balanced correct?
Anyone know if anyone has done it? This would be a cheap build. Use stock roatating assembly. New rings bearings hone cylinders etc... Add blower cam and 906 heads. I have the blower and manifold and supporting parts.