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79 70 johnson on a 18.5 foot runabout

Winner couger

New member
I have a 73 winner couger with a 70 johnson and got the engine running perfect after a lot of work it has a 13-1/4x17 prop that I chewed up a little today I'm seeing 5200rpm wot and doing about 27mph I'm wondering if I can do any better with a pitch change or just keep it the same and need advice on a prop brand stainless vs aluminum new to boating I dont want to spend a ton of money 200 or less thanks in advance
 
go get a 15 pitch stainless prop and sharpen it.. your boat is way too heavy realy , but you should be able to get 5500 rpm atleast from the motor and then it should get you around 35mph
 
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