Harmonic Balancer Differences

Discussion in 'Non Technical' started by bRACKET, Oct 30, 2013.

  1. bRACKET

    bRACKET Do Right Dean

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    Not sure if anyone cares, but here's a comparison between a '93 NA Auto and a '97 NA Auto harmonic balancer. As you can see, they're significantly different, the '97 one (on the left) is much lighter.
    [​IMG]

    Front comparison, '97 on the top in this shot.
    [​IMG]
     
    bRACKET, Oct 30, 2013
    #1
  2. Anti

    Anti 14.7 x 14.7 = 44.1

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    Sell me your '97 one? :)
     
    Anti, Oct 30, 2013
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  3. bRACKET

    bRACKET Do Right Dean

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    Already sold, sorry dude.
     
    bRACKET, Oct 30, 2013
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  4. SIM300

    SIM300 FAKE MODERAT0R

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    Yes I've read late model Z's have lightened balancer's (compared to early model). Reason why I'm not buying an aftermarket one for mine :)
     
    SIM300, Oct 30, 2013
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  5. bRACKET

    bRACKET Do Right Dean

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    Oh don't get me wrong, it's still stupid heavy, just lighter than the earlier model ones.
     
    bRACKET, Oct 30, 2013
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  6. Anti

    Anti 14.7 x 14.7 = 44.1

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    I never liked the idea of an after market harmonic balancer but if it's OEM it gives me more faith. Might keep an eye out.
     
    Anti, Oct 30, 2013
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  7. mungyz

    mungyz Well-Known Member

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    See even Nissan realized in the end the original unit was over engineered

    (and that's when the fight started)
     
    mungyz, Oct 30, 2013
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  8. 8300zx9

    8300zx9 Active Member

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    Extra 100 killa wasps for me! :p :rofl:
     
    8300zx9, Oct 30, 2013
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  9. frysie

    frysie FRYTECH

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    interesting my 89 has a similar harmonic balancer as the 97
    has the same style (with the 4/5 little dimples)

    [​IMG]
     
    frysie, Oct 30, 2013
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  10. MikeZ32

    MikeZ32 das Über member

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    most likely because it was put on during its lifetime rather than it came with it from factory.
     
    MikeZ32, Oct 30, 2013
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  11. frysie

    frysie FRYTECH

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    might explain my current drive belt ordeal then :/ didnt the belt sizes change after 94 ?
     
    frysie, Oct 30, 2013
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  12. 8300zx9

    8300zx9 Active Member

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    Nope... We paired the two up and the only different was the lack of metal in the middle of the HB.
     
    8300zx9, Oct 30, 2013
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  13. bRACKET

    bRACKET Do Right Dean

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    NA to TT, the power steering belt is different. 3/4 ribs respectively.
     
    bRACKET, Oct 30, 2013
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  14. mungyz

    mungyz Well-Known Member

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    There's a point where they went to electric HICAS and so the TTs dropped the 4PK PS belt and went to 3PK & the NA style pump. Could be late 94 or thereabouts but certainly by 97.
     
    mungyz, Oct 30, 2013
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  15. frysie

    frysie FRYTECH

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    frysie, Oct 30, 2013
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  16. ryzan

    ryzan Moderator Staff Member

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    Until they went to electric hicas and all ran na pumps. Interesting that the early balancer looks to have 2 layers of rubber while the later one only looks to have 1 layer. Don't suppose you weighed the 97 one?
     
    ryzan, Oct 30, 2013
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  17. bRACKET

    bRACKET Do Right Dean

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    Nah didn't weigh it, I'm sure Cam will.
     
    bRACKET, Oct 30, 2013
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  18. 8300zx9

    8300zx9 Active Member

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    Bugger I missed this...concentrating on getting the job done tonight! I dropped the ball on this one guys, sorry :(

    But it was a noticeable weight lose, even with the ol' lift it with your test ;) but nowhere near as light as the UR pulley as Dean said yesterday.
     
    8300zx9, Oct 30, 2013
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