replacement for the 455 olds
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replacement for the 455 olds

  1. #1

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    Default replacement for the 455 olds

    I am thinking of possibly looking for a replacement for the 455 olds what would you all suggest 454 or? The boat is 18 feet (its in my avatar) and the pump is a jacuzzi 12wj.

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    Impeachment! 75 TX's Avatar
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    It all depends on what you wanna do with the boat and how much you wanna spend. Replacing the 455 would be the cheaper route, as you can reuse your motor mounts, exhaust, etc. But if you intend to do lots of wide-open runs (and have some money to spend) then definetly go BBC. Or Ferd if that's your thing.

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    Senior Member jetboatperformance's Avatar
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    We assist and participate in alot of these swaps each season Olds to ...if you have a BBC or BBF ,on average with a combo of new and used pieces figure between 1k and 1800 My choice would be BBC Tom

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  6. #4
    "Try it Now!" Tahiti Boss21's Avatar
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    Quote Originally Posted by dgie View Post
    I am thinking of possibly looking for a replacement for the 455 olds what would you all suggest 454 or? The boat is 18 feet (its in my avatar) and the pump is a jacuzzi 12wj.

    THese posts are killing me.!!! Everyone's getting rid of the olds!! Not me, i'll take that old motor off your hands! _ i understand why you wanna change, i'm just bustin' ur ballz.

    Oiling problems, yes, don't stand on the throttle for more than 8 seconds...yes..but if you want 30+ years trouble free for a cruiser motor...then you're golden with the olds. I think i tightened the carburetor bolts once..and oh yeah, changed the stock points when they were about 25 years to a new dist...that's bout it.
    1992 Eliminator Daytona 21'

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    Just throwing it out there, I am planning on looking more at keeping the olds for now, if it breaks again then I may be doing the swap.

  8. #6
    Gas Dock Greg 75 spectra v-drive's Avatar
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    Quote Originally Posted by dgie View Post
    Just throwing it out there, I am planning on looking more at keeping the olds for now, if it breaks again then I may be doing the swap.
    I have a perfect running olds I will let go cheap, It has all qualty parts including edelbrock aluminum heads I swaptnit out for a blown 572'' merlin

  9. #7
    NW Spectraholic Malcolm's Avatar
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    That's about the only reason for swapping out an Olds, when you're ready to try for big power. It's kinda hard to find blower intakes for 'em.
    Malcolm

    75 Spectra 18
    77 Spectra 19 project

  10. #8

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    Quote Originally Posted by Malcolm View Post
    That's about the only reason for swapping out an Olds, when you're ready to try for big power. It's kinda hard to find blower intakes for 'em.
    Malcolm If my memory serves me right, I think you were running an olds if so are you still? Im still up in the air on this to swap or not to.....

  11. #9
    NW Spectraholic Malcolm's Avatar
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    Yup 455's in both my Spectras.

    Between you, me, and the fence post I am still collecting Chevy parts as a backup but these 455s keep running...
    Malcolm

    75 Spectra 18
    77 Spectra 19 project

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