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Type: Posts; User: Roy Hodges; Keyword(s):

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    R P M 's

    acceleration was the name of the game. top speed meant little, except for the kilo's . you needed your motor to be able to rev 7000 rpm's by the end of the straightaway ,to be competitive . Fast...
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    gear ratio

    on the 75 EVINRUDE &johnson was 15-28 ; =1.86 -1 . all Merc's that ran S E had a 1.64-1 ratio.
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    se props

    on a different note, one of the MOST successful sport e drivers used a rare MERCURY prop -3 blade cleaver ,intended for the 650 XS - a 24" pitch , but, when apba outlawed the 650 XS from Sport E ,...
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    S E props

    The omc factory sold 23" pitch props for sport e , some of my friends ran 24 & 25 inch props . The 25" props for the V-4 motors worked good on some boats .Especially when running tall transom heights...
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