Quote:
Originally Posted by fishnfetch
I'm spinning a 14 1/2x17 aluminum prop, i may try and tinker with that as well but i need to be able to measure fuel flow before i do
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By all means do so. That engine can easily spin a 21p alum prop. I run a 19p SS prop and it does just fine. Truthfully I think I get better fuel economy with the higher pitch. There's plenty of horses available to spin it, so why not use them? 
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.
If God didn't have a purpose for us we wouldn't be here, so
Live simply, Love generously, Care deeply, Speak kindly.
(Leave the rest to God) 
Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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