| ColoradoCabin | -- 03-19-2012 @ 1:21 PM |
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Looking for a PN. 78-7085-B I think. Found a Rear Engine support on eBay and it was the wrong one. Might have to get the cast iron support welded..one side mount hole is broken out a bit. Also...I have two engines...81A-6050 and 81T-6050...what are they?
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| ColoradoCabin | -- 03-19-2012 @ 5:22 PM |
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Well...a little research and I think they are both '38 engines...85 hp. one a car and one a truck. Also, I found a number on the rear engine support of 78-7085-B or 8...can't tell...must be B. So..it's either have the old one welded where the eye is broken out or find a replacement. Any leads?
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| TomO | -- 03-20-2012 @ 7:37 AM |
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The P/N that you gave for engines are only for the heads. The 81A-6049 / 6050 heads were used on 38-41 85 HP engines. The 81T-6049 / 6050 heads were used on the 95 HP engines from 1939 - 1941. The 95 HP blocks were usually further identified with a 99T stamped on the flat surface where the intake manifold mounts. It is located on the passenger side near the front of the block. The 95 HP engine was standard in the Mercury cars and some big trucks. The 37 engine would have 21 studs holding the heads on, the heads that you have are 24 stud heads. Tom
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| supereal | -- 03-20-2012 @ 9:42 AM |
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That 78-7085-B bearing retainer and motor mount was used from '37 thru '41 on "commercial cars" (trucks), but not on passenger cars. I've never seen them reproduced, so repair is likely to be your only choice. Welding cast iron takes some special skill and material, but can be done. We do it in our machine shop if the piece is worth salvaging. Check with your local shops.
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| ColoradoCabin | -- 03-21-2012 @ 6:15 AM |
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Thanks everyone for the info. I DID find, I hope, another bearing retainer...so hopefully I can have the engine back in soon. Still thinking of putting the 85hp. back in since it was running great when I started the tear-down to put in the new front crossmember.
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| supereal | -- 03-21-2012 @ 9:57 AM |
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Our common advice to the owner of a flathead that is running well is to just use it, or as usually said "if it ain't broke, don't fix it". If it has decent compression, and doesn't use excessive amounts of oil, most problems are to be found in the cooling, ignition, or fuel systems, not the fundamental portion of the engine. These old engines have run for decades, and are very tough.
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