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Thread: calling all you 5m-e speciallists! work this one out

  1. #1
    JZA61
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    Default calling all you 5m-e speciallists! work this one out

    The deal is i have to keep my 5m-e running until i put the 1j in. its developing a harmonic vibration sound that comes when revved to about 3 grand, engine will do it free revving too so its not the tail shaft. any help would b greatly apreciated thanks. jono

  2. #2
    Rest in Peace Conversion King ViPeR_NiPPleX's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    exhaust rubbing against the body somewhere?

  3. #3
    JZA61
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    Default Re: calling all you 5m-e speciallists! work this one out

    dont think so, ill chek. edit: no exhaust is fine.

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    Longs to be a Conversion King RObErT_RaTh's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    Blame the air pump, it's always the air pump

  5. #5
    Junior Member Too Much Toyota
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    Default Re: calling all you 5m-e speciallists! work this one out

    crank pulley or something attached to it.

    loose intake piping
    ------------------------------
    ST185 road barge / MZ11 forest barge / RA65 garage barge

  6. #6
    Toymods Club Member #302 Backyard Mechanic hi-ace's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    Try to narrow this down a bit for us.
    1/ is it the engine vibrating? place your hand on it when you bring the revs up.
    2/ is it a vibration sound only? ie: something attached to the engine thats loose.
    Answers to these question might help zero in on the problem.
    If it feels good "DO IT" Unless it harms others.(or upsets the RTA)
    Enjoy what you have To Day,cause you can't take it with you.
    My old Hi-Ace

  7. #7
    JZA61
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    Default Re: calling all you 5m-e speciallists! work this one out

    ok havnt done the hand on engine thing yet but i do have this... i can feel it vibrate under my seat when free revving, its a harmonic vibration so it goes "vvvrrrrr....vvvvrrrrr....vvrrrrrr...vvvrrrrrr " not just "vrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr". hand it seems to get faster when revved higher, itake pipes are all on fine.
    and its not a rattle like sumthing is loose, it feels like its deep in the engine or gear box.

  8. #8
    Domestic Godess, NOT Domestic Engineer clubagreenie's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    Keep it under 3 grand?
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  9. #9
    Junior Member Backyard Mechanic benjamin's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    fuxored driveshaft uni???

  10. #10
    JZA61
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    Default Re: calling all you 5m-e speciallists! work this one out

    drive shaft doesnt spin on idle, its there under 3 grand but gets bad at 3 grand

  11. #11
    Toymods Club Member #302 Backyard Mechanic hi-ace's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    Not being a professional mechanic. So please don't quote me, just throwing out ideas.
    Could be "crankshalf" related ie: main or big-end bearing.
    If it's manual, free revving is this done with the clutch in or out?
    If it's in then your gearbox is stationary.
    If it's out then the input shaft will be spinning with the engine. Therefore could be gearbox related.
    If it feels good "DO IT" Unless it harms others.(or upsets the RTA)
    Enjoy what you have To Day,cause you can't take it with you.
    My old Hi-Ace

  12. #12
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    I had the exact same thing happen when I bent the pressure plate in my Supra, knocking it slightly out of balance. If there's nothing obvious happening externally this is where I'd be looking.

    This is assuming it's manual of course, you didn't specify.

    PS does this belong in the conversions section?

  13. #13
    BBP racing 3rzfe+T Carport Converter BeRad's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    no i dont think so norbie but you get that on the big jobs.
    Only the shittiest of wines come in 5 litres

    boosted 3rz hilux *new project* mwahaha
    http://www.toymods.net/forums/showth...940#post134940

  14. #14
    Fuel Economy Warrior Carport Converter Vios-GT_07's Avatar
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    Default Re: calling all you 5m-e speciallists! work this one out

    me thinks there's a pulley problem.. can't say for sure what's on the belts in front but it could be alternator, aircon, tensioner bearing etc etc that can cause this ..
    Research has shown child in front seat causes accidents, accident in back seat causes child

  15. #15
    JZA61
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    Default Re: calling all you 5m-e speciallists! work this one out

    Quote Originally Posted by Norbie
    I had the exact same thing happen when I bent the pressure plate in my Supra, knocking it slightly out of balance. If there's nothing obvious happening externally this is where I'd be looking.

    This is assuming it's manual of course, you didn't specify.

    PS does this belong in the conversions section?
    its mkIIsupracar.

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