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  1. #1

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    Oversized Pistons

    Hey guys,
    I am rebuilding my 4tec, the center cylinder took a beating. My machine shop said i can still use the block if i find a .040 or 1mm oversized piston. I have been searching, has anybody come across where to get one? Do they exist?
    Thanks!


  2. #2
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    http://www.4-tecperformance.com/inde...oducts_id=1902
    Or ask Jerry for these pistons:
    qty 1 420890245 PISTON-ASSY $251.99
    They are the same price!

  3. #3

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    Quote Originally Posted by mitsakosgt View Post
    http://www.4-tecperformance.com/inde...oducts_id=1902
    Or ask Jerry for these pistons:
    qty 1 420890245 PISTON-ASSY $251.99
    They are the same price!
    These are too small need 1mm or .040

  4. #4
    monaroman76's Avatar
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    I thought the biggest oversize piston was 0.5mm?

  5. #5

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    Quote Originally Posted by monaroman76 View Post
    I thought the biggest oversize piston was 0.5mm?
    Yea that's what I thought I am just asking around to see if there are any bigger

  6. #6
    A smart admits!A wicked excuses!An idiot insists! mitsakosgt's Avatar
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    Contact member "Jp1300"

  7. #7
    monaroman76's Avatar
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    Re sleeve?

  8. #8

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    Quote Originally Posted by mitsakosgt View Post
    Contact member "Jp1300"
    I sent him a pm. I think I'm going to have to explore resleaving the block, or maybe buy a new one.

  9. #9

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    Last edited by rxpstan; 01-25-2012 at 08:41 AM. Reason: add thread

  10. #10
    Site Admin Green Hulk's Avatar
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    101mm is too large for the stock block in my opinion. This is why you won't find .040 pistons in any of the popular brands. If you have to go that large due to cylinder damage then it's time to resleeve or start fresh with a new block.

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