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Thread: ZE piston weight

  1. #1
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default ZE piston weight

    Just got thinking after this post that a set of late ZE pistons and a shaved head could be a nice, economical basis for a good NA motor..

    I don't suppose anyone knows what the late ZE pistons weight in at?
    Strange things are afoot at the circle K

  2. #2
    AVGAS DRINKING Carport Converter 30psi 4agte's Avatar
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    Default Re: ZE piston weight

    No... I dont think anyone has weighed them yet. There was a thread about piston weights not long ago. There were a few pistons with there weights recorded but no GZE.
    I have some too weigh but dont have the scales to do it!

  3. #3
    Junior Member Carport Converter Billzilla's Avatar
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    Default Re: ZE piston weight

    Quote Originally Posted by 30psi 4agte
    No... I dont think anyone has weighed them yet. There was a thread about piston weights not long ago. There were a few pistons with there weights recorded but no GZE.
    I have some too weigh but dont have the scales to do it!


    I've got both, but they're about 6,000km from me at the moment.
    They're quite a bit heavier than regular GE pistons though Isuspect, being forged.

  4. #4
    i wrote the Automotive Encyclopaedia roadsailing's Avatar
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    Default Re: ZE piston weight

    why do you want such low compression?
    like to drift? live in victoria?
    www.vicdrift.com

    now targeting: targets

    formerly shinybluesteel

  5. #5
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    Quote Originally Posted by Billzilla
    I've got both, but they're about 6,000km from me at the moment.
    They're quite a bit heavier than regular GE pistons though Isuspect, being forged.
    I seem to recall the pistons from my ZE weren't that heavy, but didn't think to weight them. Unfortunately, they are in a car now
    Strange things are afoot at the circle K

  6. #6
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    Quote Originally Posted by shinybluesteel
    why do you want such low compression?
    If you mill the head, you can get around 11:1 from a 9:1 piston.
    Strange things are afoot at the circle K

  7. #7
    i wrote the Automotive Encyclopaedia roadsailing's Avatar
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    Default Re: ZE piston weight

    ah ok, thats where i thought you were going, but the thread you mentioned only showed around 9.4:1 as the "new" CR.

    mind the squish areas!
    like to drift? live in victoria?
    www.vicdrift.com

    now targeting: targets

    formerly shinybluesteel

  8. #8
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    That's with 0.023" taken off, if you take off 0.050" off you get a heap more squish area:

    Strange things are afoot at the circle K

  9. #9
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: ZE piston weight

    umm, i weighed them.. they were late model GZE pistons...
    i'll try to find thread later
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

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  10. #10
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: ZE piston weight

    piston weight for GZE AE92 0.5mm oversize

    about 305grams

    pin weight = 100grams

    total, about 405 grams

    the pins are also 4mm wall thickness...
    ..........
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

    AU$TRALIA... come and stay and PAY and PAY!!! The moral high horse of the world!

  11. #11
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    Not that you need it but "You must spread some Reputation around before giving it to oldcorollas again."

    Thanks - That's 5g less than the weight of the silvertop 20v pistons I've got in the shed...
    Strange things are afoot at the circle K

  12. #12
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: ZE piston weight

    they are 310 or 410 total? goddamn, i thought the GZE slugs were heavy buggers!!
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

    AU$TRALIA... come and stay and PAY and PAY!!! The moral high horse of the world!

  13. #13
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    I just checked again:



    There might be a couple of grams of oil in there and it's standard size, but the weight is close.
    Strange things are afoot at the circle K

  14. #14
    tilting at windmills Carport Converter Ben Wilson's Avatar
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    Default Re: ZE piston weight

    Just found this thread on club4ag. It looks like the blacktop pistons are heavier than the silvertop ones! I didn't expect that - particularly with the thinner rods...
    Strange things are afoot at the circle K

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