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  #1  
Old 02-06-2009, 12:26 AM
rockdoc rockdoc is offline
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Join Date: Sep 2004
Location: Harwich MA
Posts: 368
Default I/O repower question

I bought a nice 75 Sceptre last fall, and I'm looking at pulling the ford 351 (couple years old) and merc alpha 1 drive (almost new) and replacing it with a new Volvo package. Any thoughts on 5.0 vs 5.7 injected? (270 and 280 hp).

Steve
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"why are you buying such an old boat?"
1974 SeaFari V6 i/o, 1965 Bowrider 19' i/o, 1975 Sceptre 23' i/o, WS Tarpon and Hobie kayaks, 12' Starcraft tin boat
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  #2  
Old 02-06-2009, 12:46 AM
Dilligaf Dilligaf is offline
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Join Date: Feb 2008
Location: Va Beach,VA
Posts: 288
Default Re: I/O repower question

i have a mercruiser 350 5.7 mpi with alpha 1. 3200rpms 28mph
wot 4900rpm 38mph... dont know how mpg is but ill tell you cruiseing 3200rpm seems like it does very very very well. no problems starting even when cold. im extremely happy with my setup.
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  #3  
Old 02-06-2009, 12:52 AM
rockdoc rockdoc is offline
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Join Date: Sep 2004
Location: Harwich MA
Posts: 368
Default Re: I/O repower question

Nice boats these old Sceptres

Steve
__________________
"why are you buying such an old boat?"
1974 SeaFari V6 i/o, 1965 Bowrider 19' i/o, 1975 Sceptre 23' i/o, WS Tarpon and Hobie kayaks, 12' Starcraft tin boat
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