prop size for a hot rod cruizer
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prop size for a hot rod cruizer

  1. #1
    Driver 78CoLeBBF's Avatar
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    Default prop size for a hot rod cruizer

    what would be a good 2 blade prop size for 800ish hp in a 20' cambell tunnel v-drive, th400, unknown gears at this time

    thanks, jeremie
    Its a FORD thing chevy's arent quick enough to understand

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    Senior Member Scapegoat's Avatar
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    Worthless with out gear size.

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    A legend to the DNR vdrive502's Avatar
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    I would say the one it came with.

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    Driver 78CoLeBBF's Avatar
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    Quote Originally Posted by vdrive502 View Post
    I would say the one it came with.
    know thats a shoot from the hips answer you know of any boat that run bitchen with the gears and prop from a diff hp motor
    Its a FORD thing chevy's arent quick enough to understand

  7. #5
    Boat 502 76Miller's Avatar
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    Germ, call Ron Braskma (RB Props) or Prime Marine. They could probably get you pretty close the first time around. I have a set of 22's that I want to get rid of, but they might be to small for your application ? Is this that all white cruiser you had at the Avi a few years back ? You making the CP deal ?

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    Driver 78CoLeBBF's Avatar
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    Quote Originally Posted by Scapegoat View Post
    Worthless with out gear size.
    then i will go try too figure the gear size real quik
    Its a FORD thing chevy's arent quick enough to understand

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    Driver 78CoLeBBF's Avatar
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    Quote Originally Posted by 76Miller View Post
    Germ, call Ron Braskma (RB Props) or Prime Marine. They could probably get you pretty close the first time around. I have a set of 22's that I want to get rid of, but they might be to small for your application ? Is this that all white cruiser you had at the Avi a few years back ? You making the CP deal ?
    no this is a new to me 1976 20'cambell tunnel v-drive cruiser th400 12*box i think got my race motor in it then blew the tranny should have the tranny back by the end of next week at the latest
    Its a FORD thing chevy's arent quick enough to understand

  10. #8
    Driver 78CoLeBBF's Avatar
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    not sure on the gears but after 10 rotations of the input shaft the output shaft rotated 23-7/8 turns. at the present time the boat has a 12/15 ss 3 blade on it
    Its a FORD thing chevy's arent quick enough to understand

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    InsaneInjun InsaneInjun's Avatar
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    Quote Originally Posted by 78CoLeBBF View Post
    not sure on the gears but after 10 rotations of the input shaft the output shaft rotated 23-7/8 turns. at the present time the boat has a 12/15 ss 3 blade on it
    tom bently was in auburn ca.last i knew.got all my stuff for my cruiser from him.let me know if you need a number.

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    Quote Originally Posted by 78CoLeBBF View Post
    not sure on the gears but after 10 rotations of the input shaft the output shaft rotated 23-7/8 turns. at the present time the boat has a 12/15 ss 3 blade on it
    uuuh.. You sure?? That's comin' up on 140% over.... That's quite the gear set..
    Is it just me or are toilet seats getting smaller?

  13. #11
    Driver 78CoLeBBF's Avatar
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    well i know for sure 1 rotation of the input shaft is 1-1/4 of the out put shaft. i probably got something mixed up when trying to keep count with the 10 revolutions of the input shaft
    Its a FORD thing chevy's arent quick enough to understand

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    Senior Member The Violater's Avatar
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    Quote Originally Posted by 78CoLeBBF View Post
    well i know for sure 1 rotation of the input shaft is 1-1/4 of the out put shaft. i probably got something mixed up when trying to keep count with the 10 revolutions of the input shaft
    You have 25's
    / The Few The Proud TheBlown

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