Piston Help......
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Piston Help......

  1. #1
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    Default Piston Help......

    I dropped a valve and put a hole in the piston. It was a .30 454 I ahve no idea what these pistons were. I was hoping maybe someone might know who made these. The only markings on the pistons is the bottom, where the number 252-97 is stampted. Any help as to who made these would be appreciated.

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  3. #2
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    You need to clean one of them up...and take a picture. Clean the top real good as there may be a number.
    I don't think the other number you found will do much good.

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    When I had the motor apart last time, there were no makings on the top of the pistons. Those numbers are the only markings to be found.

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    Senior Member gregb's Avatar
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    If it's a cast piston I'd take it to a GOOD machine shop if you cant find any numbers on the top of the piston, they might be able to identify it or even have one in stock.

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    Default pics





    This is the only marking to be found. If there was one on the top, I think someone filed it off
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  8. #6
    gn7
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    well it's forged, now how about a pic of the top, there just aren't that many configs those pistons came in for a given cid, should be fairly easy to ID, appears to be a flat top, the way it's setting, but not certain



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  9. #7
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    No, It is a dome. I just have a pic os the sies and the tore up top. I'll Post those up for you.

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    Looks like a TRW to me but thats a guess, there should be some #'s on the top. I have a set in the garage and they look really close.

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    Default more pics

    [IMG][/IMG]
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  12. #10
    gn7
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    I believe this it, hard to tell by that pic, need something of the top regardless the condition would be helpfull.
    http://store.summitracing.com/partde...0&autoview=sku
    prolly as close as you are going to get and lucky for you they are sold individually



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    Last edited by gn7; 05-14-2008 at 04:29 PM.

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    That link did not work. I'll post up a top pic in a minute.

  14. #12
    gn7
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    try the link again, I fixed it heres your two choices, do you think the dome is a 1/4 inch high, or more like .100 high the 2399 has a .100 dome, and the 2349 has a .250 dome the 2399 was more OEM with a press pin, 2349 is a press or float



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    Last edited by gn7; 05-14-2008 at 04:47 PM.

  15. #13
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    Thanks, it worked. I;ll have a pic of the top in a few.

  16. #14
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    Quote Originally Posted by gn7 View Post
    It would be a balmy 85* in Steel's shop if he would move a little faster

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