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    trim cylinder lift capability

    Does anyone know the specs on MR and Alpha 1 hydraulic trim cylinders and pumps. i.e how many pounds of pressure and pounds they will lift?
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    Henrod torch for welding

    I have been shopping for a new cutting/welding torch and ran a across the Henrod. Claims are that this makes a true aluminum (and other metals) weld comparable with tig. Anyone have any experience with this, or gas torch welding on aluminum and stainless? This would be for spot repairs and/or...
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    OMC Ford 302

    Considering a rebuilt 302 block to replace merc 188/302. OMC valve covers are marked 175 HP. Approximately what year did OMC put out the 175/302? Will new merc manifolds/parts bolt up? Searched and could not find info. Still pondering repower issues. Know that merc stopped 302 in 1977. Thanks
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    GM inline 6 versus 302/188 ford

    Hi, this may seem like a very odd question but after searching extensively, I can not find a clear answer. I have an old classic 74 22' sea ray that needs repowered. For numerous reasons I do not want another 302 ford or to rebuild the one I have...but it is rebuildable. In researching the...
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    1.81 Alpha drive with 120 4 cyl merc ?

    Bought a "fixer upper" with a 1987 120 Hp engine. Removed the Od to service and found that it is a 1.81 upper drive. Stamped D on casing and drive shaft. Serial A531502 Inspected and counted upper gears and sure enough had 17 and 19. Merc manual identifies it as such. I know that it should be a...
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    Mercruiser model 485-any good

    Considering purchasing a 1981 21 ft cuddy boat with a model 485 engine claimed to be in good working order. Can't find much info. Anyone know whether this engine any good. Is this motor just another version of the 4 cyl 470 with the same (bad) issues? Also this is a closed cooling system. This...
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    Pre-alpha identification

    Ran across a 1960s searay 18' srv on its way to the dump. No hull ID #. No title. MY guess is mid to late 60's. Boat had a merc 165 inline 6 (chevy 250) and outdrive. After a little coaxing,($) and checking the outdrive gearcase for water etc, I took a cordless sawsall and quickly CUT the motor...
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    Scrap value of pontoons?

    Hi. I have an old 24' Harris Floteboat and the pontoons have been "welded' and "repaired" too many times. I am convinced that they are no longer safe and do not want to sell them to someone who thinks they could use them. However, a real professional may be able to do something with them. I am...
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    merc 140 serial number -confused!

    Just purchased 1985 Glastron boat and need to find the correct service manual. This boat came from Canada with little information. Having searched posts and parts suppliers, my numbers don't seem to match anything. I beleive that it is the original motor but? It is a 4 cly 140. (MCM140) I...
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    1988 48 Hp Evinrude gearcase

    Hi, First thanks for all the great info. I have spent quite a lot of time searching old posts and found lots of helpful info. My lower unit went from perfectly fine operation to a complete breakdown without any shifting problems or warning. The engine popped out of gear at 3/4 throttle and...
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