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Best piston kit to use for polaris.

This is a discussion on Best piston kit to use for polaris. within the General forums, part of the Snowmobiles category; Ive always ran wiseco but i heard there not that good anymore....

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Thread: Best piston kit to use for polaris.

  1. #1
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    Ive always ran wiseco but i heard there not that good anymore.

  2. #2
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    is Picked up a running 2000 Indy
    Classic 500 for $350
     
    sledcrusher's Avatar
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    I'll never pay for wiesco pistons. I always run either OEM or SPI. Other than that, nothing else.

  3. #3
    is thinks he should have held out
    for the 800 ETEC instead of
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    Zippi's Avatar
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    OEM all the way.

  4. #4
    Short on Cash
    is Just sold the sled for $850.
    Now I don't have to worry
    about it breaking again.
     
    MasterSkitelz's Avatar
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    forged pistons take longer to heat up and the risk for damage is increased if your a start and give 'er hell kinda person. So, I'd go with OEM. correct me if I'm wrong.

  5. #5
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    is been a while...how is
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    whitexc's Avatar
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    SPI makes nice pistons....OEM is good but a second mortgage on the house so do what fits the bill.

  6. #6
    is still trying to sell my old
    cover, cdi, wiring harness and
    tach...
     
    03Pro-X700's Avatar
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    SPI pistons are cheap for a reason. They are Taiwan junk. Sure, they will work, but don't expect nearly the same quality or life out of one as opposed to a OEM one or even a wiesco one The wiesco pistons are fine pistons as long as you let your sled properly come up to operating temperature before beating on it. These pistons are forged, like stated above, and take a bit longer than their OEM counterpart to expand inside the cylinder. Take off too fast, and you risk sticking a piston.

  7. #7
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    scumpman's Avatar
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    ^^ x2.. I like the Wiseco's and know to thoroughly warm up my engine.

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    Ugly_old_Poo_kid's Avatar
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    I'd go with SPI...

    I've never heard anyone that has actually used them, complain about them.

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    madcow's Avatar
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    oem for the average trail rider, wiseco for a guy that knows he has to have some special care in warming up the sled and wants more power. spi pistons for a back up or low mile sled, and dennis kirk pistons for the guy that just likes rebuilding engines.

  10. #10
    XC / XCR. Its what Polaris should have built...
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    sidspeedy's Avatar
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    OEM.

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