Got this off MML, and figured this was useful. Certainly some of the poly users have to have thought about this once or twice. > --------- Forwarded Message --------- > > DATE: Wed, 27 Oct 1999 15:09:15 > From: "Lance and Nancy Johnson" <johnson@ncats.net> > To: Multiple recipients of MoPar > <mml@mopar.tamu.edu> > > >Hey, if you feel like it and are curious, will the > poly heads bolt to > the 360? Will the cam swap? I'd love a polyheaded > 360 motor. > > Steve< > > > While I too would like a 360 poly, it doesn't appear > that it can work. The > heads will bolt on, but the pushrods have nowhere to > go in the 360 block, > since they come up between the cylinders somewhat on > the poly, but come up > on the inside (top center) portion of the head on > the wedge LA heads. What > should work, however is a turned down 360 crank in a > poly and late model LA > 318 pistons. The poly is reputed to have .10" extra > deck height so the > extra stroke should be OK with the stock 318/360 > rods, 318LA low CR pistons > and 360 crank. The lightweight 360 front cover and > water pump should fit OK > also and you would need the 360 damper and > flywheel/TC to maintain balance. > The 318 pistons are within a few grams of 360 > pistons so balancing would be > easy. My only question would be if valve reliefs > would need to be cut for > the canted poly valves. With a .030" overbore, you > would have a 350" Mopar > poly. > > I have an old 1960 318 poly, and was very impressed > with its torque. ===== __________________________________________________ Do You Yahoo!? Bid and sell for free at http://auctions.yahoo.com
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