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Bruce Lancaster · 08-31-2010, 09:37 AM

Remember that head and block were machined separately, and that there isn't anything to register the head location more precisely than the studs anyway. Concentricity is unlikely, within available near-nothing clearance of a good shaft and bushings. Get new bushings and a 2-piece shaft set for that distributor!

08-31-2010, 09:37 AM	#10
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: Short Shaft vs. Long Shaft Remember that head and block were machined separately, and that there isn't anything to register the head location more precisely than the studs anyway. Concentricity is unlikely, within available near-nothing clearance of a good shaft and bushings. Get new bushings and a 2-piece shaft set for that distributor!