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The intake bolts on an LA are not exactly perpendicular. I made my own jig and used an LA head for the pattern not the intake or gasket. I bolted the two pices to an LA head intake face and clamped them to the chamber side with welding clamps and welded it together.




CRAP!!! I took my heads to a local job shop (non automotive machine shop ) and gave them a set of LA and a set of Mag intake gaskets to go off of; I just tried a mock up of my Performer intake onto those heads atop a 38 Mag block I have on the stand, and some LA FelPro head gaskets I had layin' around, and yup; the bottoms of the bolt heads hit before the tops (closest to the valve cover) do; I guess I take em back and have em re redrilled at the correct angle and Heli Coils installed; they are close enuf that the enlarged holes the Heli Coils require will be able to alter the angle correctly, for an LA intake. I guess that's what I get for [Edited by Moparts - Keep it clean]-u-ming, huh?