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#1
10-23-2009, 12:06 PM
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Re: 20SF with a 150 ETEC numbers
Great numbers! Best economy I've seen with my carbed Johnson is about 2 mpg!! You could do much better than that Viper prop. No stern lift. Maybe discuss that with your dealer while that vipers unscared. BPR Renegade 4 blade lifts the whole boat. Mercury Revolution 4 picks up the stern; might be a good choice with that bracket.
__________________
" I'm the one thats got to die when its time for me to die; so let me live my life, the way I want to". J. M. Hendrix 
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#2
10-23-2009, 04:39 PM
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Re: 20SF with a 150 ETEC numbers
Actually, the Viper jumps out of the water! I was surprised - like a bass boat!
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#3
10-24-2009, 12:46 PM
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Re: 20SF with a 150 ETEC numbers
The Viper is actually the old OMC RAKER propeller revisited, with greater rake progression, more efficient cupping geometry, and more aggressive initial angle of attack on each leading edge. It's a pretty good propeller, but not really a sternlifter. It's more of a bow-lifter, with slightly increased rake progression to provide more whole-hull lift.
__________________
Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes. Fr. Frank says: Jesus liked fishing, too. He even walked on water to get to the boat! Currently without a SeaCraft  (2) Pompano 12' fishing kayaks '73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
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#4
10-24-2009, 01:19 PM
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Re: 20SF with a 150 ETEC numbers
Not what you want when the going gets ROUGH. From my experience, the bow would not stay down even with tabs.
__________________
" I'm the one thats got to die when its time for me to die; so let me live my life, the way I want to". J. M. Hendrix
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