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  1. #1
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    Cal500 surface drives

    Dont know much about surface drives so i have a few questions. Looking to bolt them up to my 31' cat. I have 454s with velvet trannys. Not sure what i would have to convert. Like i said dont know much about surface drives. Owner of the drives say they need the prop shafts but should be a direct bolt up. Ive included a pic. Please help.Click image for larger version. 

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  2. #2
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    I hope ya didn't buy them yet.........don't think they are for speed/boat.... non trim/no steering..... using rudders......? slow boat stuff......

  3. #3
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    Dave s i didnt yet. They were on a scarab 40

  4. #4
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    agree with dave
    fishing/cruiser boat set up ,,,,,
    just cause were on a scarab don't mean they belong on,,,lol
    as probably why taking off
    locked angle of drive with rudders behind is not fast/hp set up
    if u have 454s with velvets then u probably had trs drives,,,,
    there is a few sets of #3 speedmasters for sale
    that would be ur simplest conversion to put on and have real hp drives

  5. #5
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    Johnmiffco thank you. I abandoned the deal. Id love to run surface drives. Trying to find a whole set up. Id entertain getting rid of the 454s/trannies.

  6. #6
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    u do know the #3 speedmasters are surface drives as why I suggested
    as are old school race drives can pick up complete transom assy and drives cheap
    and u can hook them up to ur velvets,,,,,,
    matches the era of 454 and velvet,,,,
    #3 will handle over 600 hp
    #3a is same bigger shafts to handle 750
    then u have little newer 4 & 5s cost a bit more made for bigger power
    but 454 on velvets 3 is the best bang
    and proper drives for a hp boat
    u givin no info on boat and mootr power what u wanting to achive
    so best info can give back to u ,,,,,,
    also #3 replaces the trs gimbels with ease
    Last edited by johnmiffco; 07-09-2019 at 02:22 PM.

  7. #7
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    Yes i know about the speedmasters. I meant go bigger motors. Johnmiffco. My cats 31' 9' beam. Not real sure on the weight. Im thinking around the 8000# range. Just want to have enough umph to get me from here to there and not drag the bow plowing.

  8. #8
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    Hey John He has a old race Pop eyes boat......I think the #3s on parts for $8500..... with a spare lower is the best bang for that boat..... But some people just want Outboards...Just depends on what ya like/ want.

  9. #9
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    al copelands popeys is a very heavy old boat
    3s or 3as would match the era of the boat and do all u want with 600-800 hp pr side
    saw asking about o/bs for that hull would take 3 to push it descently
    only real surface drives would work is arnesons #8 and wait till hear a price and parts are hard to get
    guy named rik is selling his version #7 and break a lot with any descent power so would stay away from them
    as why speedmasters is best choice

  10. #10
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    Johnmiffco im looking at triple 300 outboards. Ive pretty much ruled out big block/surfaces. Boat weighs in right around 7k not rigged. I found a couple different sets of triples. Found some evinrude g2s or verado 300s ive got my eyes on. Id love to do 4 but dont want the boat to get swamped by wakes in the ass end.

  11. #11
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    there also is a set of triple 300xs motors on FB coming off a fishing boat with pretty low hrs and only 22k for all 3
    they are 25" motors with fleets
    but can take off the 5" spacer and add nosecones for cheap set of xs motors
    or sale fleets to buy sportys
    as xs motors are lighter than verodos
    I was around the offshore stuff in the 80-90s and still do offshore poker runs today
    was around al back then and what a character,good guy,did a lot for offshore,,,,,,nice to see pics when finished

  12. #12
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    Johnmiffco where at on facebook? And yeah im excited to get the boat finished. Im keeping the same paint scheme he had just changing the colors. I still have the original wrapped seats that say copeland racing.

  13. #13
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    used just used the FB search bar "mercury 300 xs" and came up,,,,
    shows sold,,,,,,saw them only few days ago,,,,was at 25k on original listing I saw em listed @ 22k
    good and cheap don't last,,,,,

  14. #14
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    Yeah i know right. Whats your thoughts on 4. You think it would be too much weight?

  15. #15
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    4 too much on 9' hull
    cool old boat with race history,,
    old school boats were thick glass and wood that gains weight with age
    not fast by todays standard with o/b
    these new 32-34 hulls are only 2500-3000 lbs and more lift on bottom for the o/bs to push
    so I can see this 31 being 5-7k and less bottom lift wider flatter pads
    so with tripps and gets past 80 doing good and enjoyable

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