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Smal block Chevy Mercruiser FI manifold

Smal block Chevy Mercruiser FI manifold

Old 11-20-2007, 09:42 PM
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Location: Mesa, AZ
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Question Smal block Chevy Mercruiser FI manifold

I am looking for a Mercruiser Fuel Injected manifold for a late model small block Chevy L-31 block. I have built a supercharged 383 for my truck and I need more fuel than the stock 19 lbs injectors can give me. If anyone knows of a source please respond. Thanks
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Old 11-21-2007, 08:41 PM
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why not just step up the injector size. maybe a 24# and hour injector. i think my boss has a old style mercruiser style manifold but it has been run in saltwater. the lower is the tunnel ram looking type and the upper is the box looking style with the throttle body off the side. throttle body looks like the ones off the 454 and 502 magnum mpi's.
here's what we have.
http://www.mercruiserparts.com/Show_...AND+FUEL+RAILS

http://www.mercruiserparts.com/Show_...FLAME+ARRESTOR
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Old 11-22-2007, 12:15 AM
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Default marine manifold

The injector size is fixed at 19 lbs because of the internal injection spider has non replacable injectors, hence the Mercuiser manifold that looks very simular to the stock Chevy except has external fuel rail and replaceable injectors. I need a 26-30 lbs injectors to make it sing. The manifold that you refered to would work great but i would have to change my supercharger plumbing and put a hood scoop on. I believe the manifold would hit the hood when closed. Thanks for the suggestion. Rob
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