racoon2us
07-27-2006, 10:03 PM
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Join Date: Feb 2006
Location: bloomingdale n.j.
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big block boat mods
boat mods this spring i completed my project boat up grade i have a 21.5 chriscraft fishingboat it is walk around the specs are app 4000#1.5 outdrive 454 mercruiser thru out drive exhaust torque in ft lbs 448.9 at 3600 rpm hp is370.6 at4800 rpm crank specs are higher i think the specs listed are correct to use i seek help in prop selection as well as app top speed thanks for any info you can supply thanks racoon2us specs are dyno specs
Last edited by racoon2us; 07-28-2006 at 02:41 AM. Reason: wrng title
