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Old 08-11-2009, 07:30 PM   #21
Join Date: Jun 2006
Posts: 298
Default Re: accelleration / 1800SR3 / 2006 / 4.3 MPI / 220 HP /

Originally Posted by Argonaut
OK .. actually bothered to look at the gauges yesterday.

I have an 1800 SR3 (2007) with 4.3L carb engine .... it absolutely can be used for monosking.

I changed standard 23" prop out for High 5 21" ..... this gave far better acceleration without too much losing top end (as it's a cupped blade)

This runs at 4500 WOT and makes 46mph .... would probably go a few mph higher if I had flat water and could trim out (those figures are fully trimmed in)

The biggest issues was that although it had holeshot, it had awful bow rise ... I fitted SMART TABS, and that cured the problem with slight improvement in acceleration,m and definite improvement in straight line tracking, esp against a beam sea.
This old thread still kickin' around! I'll trade you my carb for your MPI. I'm still pulling grown men up with a aluminum 23' prop and three adults in the boat and I have never taken my carbed 4.3 over 4000rpm. Guess I need to break out the video cam. Nail that throttle man!

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Old 08-11-2009, 08:23 PM   #22
Lt. Commander

Join Date: Jun 2007
Location: S.Wales
Posts: 218
Default Re: accelleration / 1800SR3 / 2006 / 4.3 MPI / 220 HP /

not sure about your reply - my post mentioned mine is a carb engine ...
It could NOT pull me up on a mono ski deep water start on standard 23" ally prop.
needed High Five 21" to do that.

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