1988 5.7 probs

S

scottsmith

Recruit
Joined
Jun 18, 2011
Messages
2
ok new to boating. just bought a 1988 four winns horizon with a 5.7 omc. the problem is at wot is 3500 rpms. and can only get 39 mph out of her. it has a quadrojet 4bbl. with a 19 pitch. any sugestions will be appreciated....
 
Raystownboater

Raystownboater

Chief Petty Officer
Joined
May 16, 2010
Messages
511
Re: 1988 5.7 probs

Have you tried changing to a different pitch prop? 3500 at WOT sounds awfully low but I am not one of the experts here.
 
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