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Author Topic:   13 sport performance
larpad posted 07-14-2004 09:23 PM ET (US)   Profile for larpad   Send Email to larpad  
I have a 1971 13 sport with a 25hp eninrude. The motor blew up and I have had a heck of a time finding a good used short shaft motor. I gave up looking and settled on a 35HP long shaft. I am having a mechanic mount CMC 5" vertical extensions to raise the transom to 20" I put a center console on this boat and was not too impressed with the 25HP. Has anyone done something like this to their 13 and what kind of performance can I expect out of this 35hp?


Bigshot posted 07-15-2004 04:18 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Not too much more than the 25hp but count on about 30-32mph vs about 28 or so with the 25. Where it will make a big difference is when you carry 3 people or so. I ran a 10x13" prop on my 35 Johnson(1982).
skippster posted 07-18-2004 08:25 PM ET (US)     Profile for skippster  Send Email to skippster     
Hey Larpad...can u post or e-mail pics of the center console on you 13? I am doing a conversion and would love to see what you did or had done. Thanks!
ryanwhaler posted 07-18-2004 08:30 PM ET (US)     Profile for ryanwhaler  Send Email to ryanwhaler     
Forum member tgresla has a '73 13' with a big Newport console and two big chairs, powered my a 35hp Evenrude.

The day I was boating along side him he got 31mph on his GPS.

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