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#1
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What Prop
Hello there, I took my 1976 V20 out and had it winterized. My prop is pretty beat I was wondering ifs its worth it to try and get it redone or just buy a new one. I am not sure what size or pitch prop to get the engine is a 199? Merc 112sp. I tried reading it off the prop but dont seem to be able to read it. Any help is greatly appreciated
Thanks Fullofit 
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#2
11-08-2008, 09:42 PM
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look at the last 2 numbers, they should be followed by a letter P. that indicates picth, that should be your starting point
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#3
11-10-2008, 08:22 AM
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The prop is where "the rubber meets the road" for a boat...if it's not right yer wastin' gas and losing performance...you should be in the neighborhood of 15" dia. x 17 pitch (15 x 17) although you'll want to experiment for best on your particular boat...do you have a working tachometer on your boat and know what the engine manufacturer's highest recommended RPM is?...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#4
11-10-2008, 07:25 PM
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thanks for the ideas. No I dont have a tach I am just getting into boating got the boat for a song and dance since I am friends with the guy. So far so good had some great times this summer fishing with the kids and family, just wished I could of used it more, still very timmid being out there going learning alittle more each time.
Thanks Fullofit
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#6
11-13-2008, 07:56 AM
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Quote:
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha
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#7
12-06-2008, 01:47 AM
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__________________
Formerly - 89 cuddy 165hp I/O and 95 V21 / 150 Honda When the people fear their government, there is tyranny; when the government fears the people, there is liberty. - Thomas Jefferson
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#9
12-06-2008, 10:59 AM
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That chart is right on for my boat!! I get the right speed and rpms and all!
And I just guessed what I thought I needed!
__________________
1986 V20  Old Fishermen never die, we just SMELL that way!!
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#10
12-07-2008, 11:40 PM
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Quote:
__________________
1981 V20 cuddy - underpowered 100hp eninrude, 1978 V20 cuddy no motor, 1996 4x4 Suburban, surf fishing rig - LS1 conv. and lots or rod holders.
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