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318 Poly differences from 318 Chrysler |
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Got Tiques 
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Joined: February-27-2009 Location: Scotia, NY Status: Offline Points: 427 |
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 Topic: 318 Poly differences from 318 ChryslerPosted: May-09-2016 at 12:25pm |
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Need help as I am considering buying a 318 Poly for my 65 Cuda. Motor is missing flywheel, bell housing, starter and tranny. My Cuda has a 1987ish 318 that is complete but frozen by PO.
Will my non-Poly parts fit the Poly block and crank, or am I chasing a parts nightmare? Any thoughts would be appreciated!! |
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Got Tiques
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Joined: February-27-2009 Location: Scotia, NY Status: Offline Points: 427 |
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Posted: May-19-2016 at 12:46pm |
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Dave Hurrikain at www.hurrikain.com is an expert on old Chrysler marine engines. He advised me that the LM318 replaced the 318 Poly but it is a direct swap out at the bell housing. Fly wheel and starter are also direct fits. He has some limited almost NLA parts available and knows his stuff.
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Online Points: 3359 |
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Posted: May-19-2016 at 12:56pm |
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Sorry we missed this earlier
That jives with what I suspect, the main differences are the heads |
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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JoeinNY
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Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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Posted: May-19-2016 at 1:20pm |
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The heads indeed, but that makes the intake manifolds, valve covers, and exhaust manifolds pretty much pure unobtainium so don't sleep on those parts- very pretty machinery though. I wouldn't switch to a poly but if you have one in a boat show it some love.
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JDD33
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Joined: October-20-2012 Location: Natick, MA Status: Offline Points: 499 |
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Posted: May-19-2016 at 11:41pm |
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How about the RH one of these?
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Old school goin back to school!
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