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  1. #1
    johnsonmtz's Avatar
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    Need 780 head or complete cylinder

    I need a good 780 head. The wife toasted the MAG piston on her SLT at the Midwest Gathering and the head is shot peened with ring shrapnel.

    Even better would be if you have complete cylinder, piston, and head.

    KJ


  2. #2
    Resident electronics hacker UnityRacing's Avatar
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    I have a very nice 780 cyl and head. Been off the engine and in the shed for about 6 yrs now. No rust.
    Make me an offer...

  3. #3

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    i have a new std 780 piston you can have

  4. #4
    johnsonmtz's Avatar
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    Quote Originally Posted by UnityRacing View Post
    I have a very nice 780 cyl and head. Been off the engine and in the shed for about 6 yrs now. No rust.
    Make me an offer...
    Is it standard bore or oversized? The other two cylinders are at 1.00 mm oversize. I could probably go out to 1.50mm and bore this one but I'd rather keep them similar.

    How does $40 plus shipping sound?

    Kj

  5. #5
    johnsonmtz's Avatar
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    Quote Originally Posted by 785 lugs View Post
    i have a new std 780 piston you can have
    That's awesome lugs. If the cylinder unityracing has is STD then that will be perfect.

  6. #6

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    Quote Originally Posted by johnsonmtz View Post
    That's awesome lugs. If the cylinder unityracing has is STD then that will be perfect.
    let me know i have a stack of std rings somewhere too i'll have to see if i can find them and i think i still have some exhaust manifold gaskets too

  7. #7
    johnsonmtz's Avatar
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    Quote Originally Posted by 785 lugs View Post
    let me know i have a stack of std rings somewhere too i'll have to see if i can find them and i think i still have some exhaust manifold gaskets too
    The wife says you're the best. She's itching to get her ski back on the water.

    Kj

  8. #8

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    Kev,
    I have a New polaris STD piston, Water rail gaskets ,exhaust manifold gasket and pipe to manifold gasket still looking for those DAM rings

  9. #9
    johnsonmtz's Avatar
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    Quote Originally Posted by 785 lugs View Post
    Kev,
    I have a New polaris STD piston, Water rail gaskets ,exhaust manifold gasket and pipe to manifold gasket still looking for those DAM rings
    Very Cool!!!

    I'm still waiting to hear from UnityRacing if his cylinder is standard or oversized.

    I got the cylinder pulled tonight and it's toast. It was already 1.00mm oversize and the rings put a pretty good gouge in the sleeve. SBT sells a 1.5mm piston but I"m not entirely sure going another 0.5mm out will get rid of the gouges. So, I'm pretty much stuck needing a new cylinder. Or, I guess I could buy a new sleeve and have a local shop press out the old one and press in the new one.

    I hope to know by tomorrow what I'm going to do so I can get moving.

    Kevin

  10. #10

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    Quote Originally Posted by johnsonmtz View Post
    Very Cool!!!

    I'm still waiting to hear from UnityRacing if his cylinder is standard or oversized.

    I got the cylinder pulled tonight and it's toast. It was already 1.00mm oversize and the rings put a pretty good gouge in the sleeve. SBT sells a 1.5mm piston but I"m not entirely sure going another 0.5mm out will get rid of the gouges. So, I'm pretty much stuck needing a new cylinder. Or, I guess I could buy a new sleeve and have a local shop press out the old one and press in the new one.

    I hope to know by tomorrow what I'm going to do so I can get moving.

    Kevin
    are the other 2 stock bore ???

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