omc exhaust manifolds

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kershawD

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Jul 7, 2017
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i have a set of omc exhaust manifolds for early small block chevy 305 and 350 engines. as you can see in the photo I cant use them on my boat. my boat didn't have an engine in it when i got the boat it had a mercruiser mc-1 outdrive and bracket with y pipe in the boat. the engine I have now was a omc 200 hp 305. I tore the engine down checked everything rering kit with rings caskets and bearings all from "guardian engine kits". the block was like new when I took it apart. all bearings were standard size and with plastiguage the oil clearances were within specs. I had the block checked by a local reputable machine shop for cracks and hidden problems. everything was great .the exhaust manifolds i have are like new I painted all bare metal parts with dupli color hi temp engine paint. the red is to match my boat.
 

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Redrig

Master Chief Petty Officer
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Oct 13, 2009
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yeah , you're gonna have to convert to either mercs or some generic center riser manifolds and then adapt to that Ypipe connection .

good looking engine but that air filter has gotta go .
 

kershawD

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that was just something I had laying around .
 

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