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Old 07-12-2012, 06:35 PM   #1
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Default Intake Manifold

hey guys,
I bought a new 7.4L (454 big block Chevy) GM Mercruiser remanufactured engine (1994 replacement) and i need a new intake manifold for it because the one i have has a pinhole in it (saw some water seeping through). The casting number on the intake manifold that i have is 333841. i checked all over the internet and couldn't find it.
the only one i saw was from http://marineengineparts.com/shopsit...l/page106.html (bottom image). I think they discontinued the 333841 cast and replaced i with 3854100 but im not positive.

At a local boat junk yard they had the 333841 on a engine (junk yard wanted $300 for a used, rusted up intake manifold, I really want a new one)

The intake manifold im looking for is oval ports and im looking for cast iron, not aluminum.
if anyone knows of another place to get them please let me know. I really want to get this boat in the water to enjoy whats left of the summer lol.

Thanks,
- Joe


*EDIT* Just found one on MichiganMotorz.com and they had it in stock so I purchased it.
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Old 07-19-2012, 01:13 PM   #2
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Thanks for the report out 1994Maxum2700SCR. I'm sorry we didn't get much feedback on this one.
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Old 07-19-2012, 05:05 PM   #3
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craigslist...... boats.... lots of old engine for sale on there.

can buy a whole 7.4 for $300
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