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Keith True · 08-20-2010, 10:26 AM

I looked at a little Model A powered work boat that has been owned by a fellow that used to run it when he was young.He has been planning to restore it for over 40 years.The drive off the cam gear runs a water pump,and on the one I looked at it also has a little oil pump.That one has a Paragon transmission that shifts with engine oil pressure.I have seen a lot of those Paragon transmissions on Chrysler flathead powered boats,and when the engine gets hot they won't always shift at an idle.You have to rev it up to get oil pressure and then they shift with a bang.I bet that dedicated little pump on the A engine makes for a smoother shift than the Chrysler.

08-20-2010, 10:26 AM	#17
Keith True Senior Member Join Date: May 2010 Location: Epping N.H. Posts: 2,990	Re: Model A Marine Engine I looked at a little Model A powered work boat that has been owned by a fellow that used to run it when he was young.He has been planning to restore it for over 40 years.The drive off the cam gear runs a water pump,and on the one I looked at it also has a little oil pump.That one has a Paragon transmission that shifts with engine oil pressure.I have seen a lot of those Paragon transmissions on Chrysler flathead powered boats,and when the engine gets hot they won't always shift at an idle.You have to rev it up to get oil pressure and then they shift with a bang.I bet that dedicated little pump on the A engine makes for a smoother shift than the Chrysler.