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Thread: SST60 Specs

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    Default SST60 Specs

    I was just reading a post from "Lil' Blue Rude" about 70hp port style and size....Is there anywhere in these posts where the SST60 specs can be found ? Info like the years of blocks that can be or preffered to use to build a mod motor. If anyone knows or has the info that would be great to see .
    Thanks

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    SST60 spec sheet can be found on opcrace.com website. The permanent mold cast blocks are preferred for mod motors. They were found on 1986 and 1987 70 hp motors. They are not legal for SST60. The bridged exhaust motors were sold through 1992. The 4 spline crank was sold through 1988. 4 spline cranks were cast through 1982. 1983 and newer were forged.

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    Whats different about the perma mold blocks that makes them illegal?

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    Default Sst60

    Thanks
    This was what i was talking about this is goooooood stuff keep it coming .
    Fantastic!!!

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    Default Sst60

    Thanks again for the info.

    Is there any spacific years of the standard 56.1 cubic inch that will work the best when looking for a motor to modify???? Looking at putting together some stuff for a future project, so i'm starting my homework now.....If anyone has any mods/tips that there willing to share that would be great as well ...Things like good flywheels, carb#'s ,bad blocks or what ever. It would help to get this lake racer project together.


    Thanks

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    Team Member Sam La Banco's Avatar
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    Default Permanent Mold Blocks

    The permanent mold blocks are more rigid, the transfer passages are molded much cleaner and the entrances to them are much better shaped for flow. Also the water passages promote better cooling.(cooler water to the block from the exhaust cavity.

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    Bill Ghor said even the cooling system changed 5 times over the life of the 56
    There was several SB's on middle cyl getting hot and the mods to fix that.
    I guess the sst60 block was an early lost foam or did it change along with the production versions?

  9. #9
    Team Member Sam La Banco's Avatar
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    I think the 60 motor is the worst one, they will run very hot.

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    Can anyone tell me what I can do to solve the over heating problem? Are the SST60 carbs the best single barrel carbs for these motors or is there a better carb?
    Thanks Guys

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