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  1. #1
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    Anyone used GPM Racing hop ups.

    I have read the rules of the forums and i think this question should be alright to ask here.

    Just wondering if anyone has used GPM Racing Aluminium hop up parts for their summit.
    If so a few opinions would be good.
    If the summit can go through; its not deep enough

  2. #2
    RC Turnbuckle Jr. Cameron's Avatar
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    i ran some GPM parts on my first MERV, didnt have any issues really. the pushrods were a tad weak compared to some of the others, found that out via a telepost in the basement.. d'oh!
    Would like to think scaled up to the summit the quality should still be there.
    (RAH) (AH) + [ROMA (1+MA)] + (GA) + (OOH)(LA)

  3. #3
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    Probably a bad move for the summit but i was sorta looking at the a arms.
    I haven't broken any plastic ones yet but i like the red aluminium.
    They will get scratched badly underneath but i'm not really worried about that. as long as they hold up.
    Is there anyone else that is running or has run aluminium a arms (of any kind) on their summit.
    Would like to know how they hold up and whether it is worth switching to aluminium.
    If the summit can go through; its not deep enough

  4. #4
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Aluminum arms bend instead of flexing... you would be surprised how many times your stock arms have flexed without you even knowing it. Once an arm bends, it is easier to keep bending and you can only bend them back so many times.
    Whatever it is I just said... I could be wrong.

  5. #5
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    Maybe i will leave them plastic... i suppose you need a breaking point somewhere...
    I am sort of trying to get it to look good (although it is not a shelf queen) and make it hold up really well at the same time.
    With what you have said jimmie i think i will stay plastic... and do it up somewhere else.
    Thanks for the replies
    If the summit can go through; its not deep enough

  6. #6
    RC Turnbuckle Jr. Cameron's Avatar
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    I don't think i have ever thought to myself, "you know what im gonna through every piece of aluminum i can on this rig" for any of my RC's though the years. I have 8 on the shelf right now. Aside from stock chassis plates and stock pieces scattered through the bunch not 1 single upgrade has ever been TO aluminum.

    Want em to look good, keep em clean and get a 2nd body for shelf duty

    To clarify my first post there, i ran the MERV shocks from GPM, tried the pushrods/toelinks (for about 2 days and went back to stock). I think the only Alum part i ran for any amount of time were the HR axle carriers on my first MERV till i sold it.

    But i would never run aluminum A-arms. That's asking for disappointment.
    (RAH) (AH) + [ROMA (1+MA)] + (GA) + (OOH)(LA)

  7. #7
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    There are places aluminum is best... shock bodies, sometimes knuckles... key places. Other than that, plastic actually performs better.
    Whatever it is I just said... I could be wrong.

  8. #8
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    Ok then i will stay plastic...
    Also just another question... got some new 5000mah nimh's for my summit...
    Do i just charge them right away or do i do a discharge first or what...
    If the summit can go through; its not deep enough

  9. #9
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    NiMh has nearly no memory... charge and go!
    Just take it easy the first few runs... slow on the throttle and so on.
    Whatever it is I just said... I could be wrong.

  10. #10
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    No worries...
    Thanks for ya help
    If the summit can go through; its not deep enough

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