67' sanger 17'10'' engine placement - Page 2
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67' sanger 17'10'' engine placement

  1. #15
    Member enfuego220's Avatar
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    well thats way to much gear for 450 hp go to 18,s and will be faster
    i have 750hp and have tryed lots of gears 18,s would be what id run in your set up even 15,s but you said you had those and it didnt do well wich dosent make sense......somethings mising thats right you had a 3 blade on it with the 15,s that was the problem.just my 2 cents .

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  3. #16
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    Ok got my strut location it is 25" from the end of cav plate to the rearmost face of the strut barrel

  4. #17
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    Quote Originally Posted by enfuego220 View Post
    well thats way to much gear for 450 hp go to 18,s and will be faster
    i have 750hp and have tryed lots of gears 18,s would be what id run in your set up even 15,s but you said you had those and it didnt do well wich dosent make sense......somethings mising thats right you had a 3 blade on it with the 15,s that was the problem.just my 2 cents .


    if this engine has enough power to spin 22s 6500rpm then how will i go faster with less over drive

    it doesnt matter what prop i try on this thing it barely makes any differance because i have so much down pedal in it to keep it in the water that it just creates such a drag that it starts to cavitate the prop..........................................

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  6. #18
    Senior Member HotWater's Avatar
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    I had a 69 Sanger 17' 10" that porpoised so bad my friend nicknamed it Flipper. Just like what you describe jumping completely out of the water and it was'nt from excess horsepower. It had a 396 in it similar to what you have. I worked on that boat for two years changing propellers, longer plates, more plate down travel, shoved the engine way forward like a circle boat but it still did it. The strut angle on those boats is too steep and it's placed too far back. You have to do a lot of work to that boat to go fast. I traded mine.

  7. #19
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    the strut angle is what im starting to point my finger at just beacuse of the way it acts , any sugestions on proper strut angle for a boat of this size and power im about to cut everything out of this thing to make it work

  8. #20
    Member enfuego220's Avatar
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    Thats pretty impresive motor you have their then ,Ive dyno'ed my motor and know the powers there and can only turn my motor 7k with 18s . So to be able to turn 450hp motor with 22 gears to 6500 dosent seem easy to do but thats just been my experiance. What kind of mph are you running withthat set up? Strut angle is defenatly off on these boats there set up to run good with 400 hp or so max with where everythings at SO IF YOU PUT BIG POWER TO IT THEN YOU NEED TO GO TO A 7 1/2 DEG STRUT AND MOVE THE DRIVE UP ALSO. With all that said i still was able to do 99mph on gps with my current set up still haveing the 9 deg strut under the boat. That is actually my next move is to do the strut and bottom work so if you do go for it please let us know what and how you do it would love to see.... thanks hope this helped some what. Where are you located your welcome to come over and messure or look at my hull if your local if youed like.

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