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Sandblasting piston?

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  • #16
    Baking soda is even better, you can even do this outside and not offend anyone. When you are done just wash it away with the garden hose.

    Allen, I'm fairly certain that anyone even asking a question like this is prepared and capable to rebuild an engine themselves, and have done it before.......I would hope.

    Like I said, just the crowns, don't hit anything else with the blasting media (whatever you use.....but not SAND).

    And yes, you MUST replace the rings everytime. Just use a 3 stone hone like the one from Lisle and you cant go wrong ( the "dingle ball" hone is usless and really old school). If the 3 stone hone is missing parts of the cyl. then it is too out of whack to be re-used and should be bored).



    Jon.
    Last edited by Dragon Humper; 03-27-2011, 06:38 AM.
    Why don't you come over to MySpace and Twitter my Yahoo untill I Google all over your Facebook.

    1990 GTR Drag Special T88H34D 11.24 @ 127.55mph at only 1.2bar...... officially. SOLD

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    • #17
      HAHA im in school for mechanics right now.... My teacher, i remember him saying "Never EVER Blast a piston with anything. Even if you wash it throughly with hot water you'll never get everything embedded out, which then leads to hot spots, which then leads to Pre-ignition / Detonation" For refreshing the motor check your Out of Round and Taper for the cylinders, if they are out then use a Rigid hone to make them straight then check your piston to cylinder clearances and if everything is good, run a ball hone through to get your nice crosshatch and put new rings in and slap 'er together.

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      • #18
        Originally posted by Dragon Humper View Post
        Allen, I'm fairly certain that anyone even asking a question like this is prepared and capable to rebuild an engine themselves, and have done it before.......I would hope.

        Jon.
        I would hope so too.

        Just wanted to inform the thread with a little more dynamic since the question is about sandblasting a piston after all
        ALLEN PETERSEN
        Number (604) 961-2449
        4XTOYS/ Lower Mainland Skyline Service and aftermarket RB parts.
        RB30`s for sale!

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        • #19
          Thanks for all the info. I will just order new rings and hope everything else is good
          Need detailing done to your car? I'm open to travel to detail your car :

          http://forums.gtrcanada.com/group-buys/54899-ontario-cobraa-detailing-group-buy.html

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