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Merc 400HP 383 Stroker Scorpion ???

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Merc 400HP 383 Stroker Scorpion ???

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Old 09-23-2010, 08:44 PM
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Mbam

These 383s that are 350 hp and 400 they are reconditioned were do the block and heads come from.Are they automotive or previous marine applications.Reason I am asking is would something that was a 7 year old or more salt water engine be rebuilt.
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Old 09-27-2010, 10:36 AM
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Sorry I haven't chimed in... been busy but I like all the info so far...

What are the work arounds for the shift interrupt? Any one know if this hard to work around?
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Old 09-27-2010, 12:05 PM
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If BAM wants to chime in and dispute this would love to hear.But I was told by a marina these remanufactured engines reuse many parts.Like the wiring harness water pump,injectors,ECM etc.
Would love to know what is replaced or does it depend on condition.
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Old 09-27-2010, 12:25 PM
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If you go for it , I may take the old engine off your hands. As I read on merc remanufacturing motors , and heard from a few techs , they are mistake blocks. My merc remans had new heads on them ! as well as circ pump. That setup would be nice w 400 hp
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Old 09-27-2010, 12:29 PM
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Originally Posted by mrfixxall
If the alpha water pump could feed a 454 and a 502/509 then why wouldn't it be able to feed a mouse motor?
The Alpha pump is adequate while on plane or at startup. It is not enough volume when you come off plane.
Steve
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Old 09-11-2014, 05:09 PM
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Wow been awhile since I started this thread, bringing it back with a question... Anyone know what cam they ran in these motors? I figured since they ran stock merc exhaust manifolds it might be worth looking into as an option to build a 383. I picked up a 1981 24 Pantera that is powered by a Mercruiser 260 hp V8 / alpha setup. Needs more ooomph...
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