Gray Marine Engine 4-30

Author Message   Doug Whitfield Visitor Posted on Sunday, June 28, 2015 - 07:48 am:        Hello all My first post to try and find out a bit more about the engine and boat my dad has owned since the 1970's. A 16ft double diagonal mahogany runabout with a Gray marine engine - model 4-30, engine number 486-A. As far as I can tell its from betwwe 1928 -1933. Any tips on where to find our more and where to source a replacement exhaust manifold? I can send pictures if that would help. Any assistance would be much appreciated! Doug Whitfield   bruce Senior Member Username: bruce Post Number: 498 Registered: 07-2002 Posted on Sunday, June 28, 2015 - 11:30 am:        My 1932 Gray engine catalog sheet lists the Utility Series Model 4-20. In the description ,it mentions the models 4-25 and Model 4-30 being in the 1929 to 1931 year catalogs. If 485-A is in fact the serial number; this 4-30,I expect to be an early 1929 model engine.   Doug Whitfield Visitor Posted on Sunday, June 28, 2015 - 02:31 pm:        Hi Bruce Thanks for the swift response! That's really useful. I have double checked the plate, the one on the gearbox definitely says 486-A - see attached picture if that helps. Any ideas on where to source a new exhaust manifold would be gratefully received. Also a mystery as to how it ended up in the UK on the Thames near wallingford in the 1970's where it was rescued. But that's one I doubt we will ever solve! Thanks again Best Regards Doug

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