my new Fresno, blown up 455
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my new Fresno, blown up 455

  1. #1
    Member E Rock's Avatar
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    Default my new Fresno, blown up 455

    i bought a new project, its a '75 fresno, in my opinion its pretty cherry, as in looks like its all original and all there..

    it has a blown up 455 olds and im torn on what to do. should i replace the 455 or change to something more common?

    would the boat be worth more if kept original or does it even matter? i have a lead on a cheap low mile olds out of a car that i could through in there real quick but im afraid if i do that, it either wont last long or end up costing me mega bucks down the road. right now it would be the cheapest thing to do in order to get it on the water.

    i am going to be using this boat as a lake boat, needs to be pretty reliable, and of coarse i would like it to be somewhat fast but that is not top priority..

    its 19.6' seems to be a fairly heavy layup, quarter stringer, berk 12jb.
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  3. #2
    Wet
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    You can put all the money you want into the boat...
    you'll never get your investment return.
    Swap out the Olds, and enjoy.

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    Member E Rock's Avatar
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    swap out the olds with another olds or something else?

    is there anything i should do to a used car motor before putting it in my boat?

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    The Brown Bomber oldmudwiser's Avatar
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    you should go with a bbf..

  7. #5
    Member Get'erWet's Avatar
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    Nice boat....
    Yes, Swap out the motor inkind to get it in the water as you stated...reliability is what you want. you can work on the other as time and money allows if salvageable for a known dependable engine.
    I do reccommend removing the transmission on the replacement motor first..you won't need it....I'm just serious...hehe
    Do pull the thermostat...prolly won't need that...!
    Give it a good oil flush and run High Milage Mobil 1 synthetic...


    Diamond Dave

  8. #6
    Senior Member skippers WFOT's Avatar
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    i think at the least grab a truck engine they are i little more torquey. but do remember boats sweet spots are 4-6krpms cars dont like that most big block cars were slugs that cruise at about 2-3krpms. so just do a little reserch on what the engine came from so you dont kill it too soon with those high revs.
    1977 Charger 17Foot. jacuzzi golden eagle
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    Boat Nut sleekcrafter's Avatar
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    Change over to a Chevy or Ford, parts are easy to find for both. The olds engines are drying up, there are lots of mount set-up for the Chevy and Fords, and should be cheap to procure. Nothing against the olds, but endurance is not one of their features, in stock form they run all day, add hp and the clock starts ticking.
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  10. #8
    Senior Member Sleek Freak's Avatar
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    change the steel freeze plugs out or they will rust out.

  11. #9
    Member E Rock's Avatar
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    All sounds like good advise.. I think I'm going to get the olds motor because it runs and it's cheap 350$.. My grandpa had it sittin in his shop for about 10 years, he tried to shoehorn it in to some street rod some year ago and it wouldn't fit so there it sat..

    Maybe I can get it on the water for the rest of this year and in the mean time start collecting parts for a motor swap..

    I'll probly reseal it real quick, and throw it in.. Hope to get on the water next weekend..

  12. #10
    Member E Rock's Avatar
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    On to another question, my pump is polished.. Do they sell a non coated diverter? Would look goofy with a polished pump and a white diverter..I'm thinkin that might be one of the best first add ons..

    Jet 460 seems to be having fun with his!!

  13. #11
    Senior Member Widetrack's Avatar
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    Quote Originally Posted by slam View Post
    On to another question, my pump is polished.. Do they sell a non coated diverter? Would look goofy with a polished pump and a white diverter..I'm thinkin that might be one of the best first add ons..

    Jet 460 seems to be having fun with his!!
    They don't look to bad! Not as nice as all polished so you decide! WT
    [IMG][/IMG]


    SOMEONE SAID YOU CAN'T TAKE IT WITH YOU! SO,IM BURNING IT UP ONE GALLON AT A TIME!
    WT

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  14. #12
    Member E Rock's Avatar
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    yeah thats not to bad, i can dig it!

    i got a motor

    Last edited by E Rock; 07-22-2010 at 09:20 PM.

  15. #13
    Senior Member lbhsbz's Avatar
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    Lookin good. Make sure there's oil in that other motor before you run it again.

  16. #14
    Member E Rock's Avatar
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    next time its running, it will be in my boat, this weekend hopefully.

    yes Pat its got oil, thanks for lookin out for me though

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