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Old 08-12-2011, 06:05 AM
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bret bret is offline
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Join Date: Aug 2004
Boat: Prostar 190, 1994, 350 TBI 308hp.
Location: Heber Springs, AR
Posts: 377
I think that bore is 46mm, where as the bore needed for a 454 unit is 50mm, thus machining of the standard 350 TBI unit. I'll see if I can contact a guy I know to confirm that.
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1994 ProStar 190 Red/White, 350 Alan Tehan special
"PORSCHE, there is no substitute - except for my ProStar"
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