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    Merc 470 ext manifolds

    Can anyone explain why there are 2 types of lower manifolds? There is an aluminum version and an almost identical cast version. <br /><br />I ask because it is time to spend money and I can spend it either way. I see no reason why they will not interchange as long as you use the correct...
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    470 / 3.7 riser questions

    Hi all. Can someone clarify thing for me here. I have a 3.7 exhaust riser that has a water separation tube in the outlet similar to item 41 below.<br /><br /> http://media.stemtostern.com/LSDATA/LSDATA_FULL/CRUISER/75471/14.GIF <br /><br />I also have a riser that does not have the tube. My...
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    Mercruiser Service Bulletins

    Are these available online anywhere? I've found several sites that claim to have them but the links are always dead.
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    Mercruiser 470 internals?

    Does anyone know exactly which parts are made by Ford? I see my rods are Ford and I've read the head is as well.<br /><br />Are the pistons and main bearings Ford 460 parts?
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    Need Mercruiser 470 3.7 L block

    Hi all. I have a cracked 1987 3.7 block and need a replacement rebuildable core. Any suggestions?<br /><br />I have found one located in Canada but am unable to find shipping for under $300. Does anyone have a shipping recommendation? I've tried Fed Ex, UPS, USPS, and Yellow freight. <br /><br...
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    Evinrude 140 PROPlem.

    Last summer I bought 3 props, all similar in pitch, from a 140 Suzuki owner. He told me Suzuki and Evinrude props were interchangeable and I've used one I know for a fact came off his motor.<br /><br />2 of the props I bought have worked fine but the third I'm in question of. The gearcase side...
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    Tach question

    I recently installed a 84 140 Evinrude on my boat. With it I installed a brand new teleflex tach and OMC tach harness. When I set the tach to 6p, as per teleflex instructions, it reads way to high. When I set it to 12P it reads close but still sounds a bit high. It will read 7000 at WOT but I...
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