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Thread: dizzy question

  1. #1
    Veteran pen15's Avatar
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    Default dizzy question

    hay all i have another 1 for you i have just got my jdm motor and found that the rotor button is missing i don't know where the thing is and i would like to know is the jdm rotor button same as the adm because the dizzy caps are of different geometry i would also like to know if i can go to the old repco and get a new jdm 1 or 1 that will work/fit the same as cheers all
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

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    Oldschool Member
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    All 4age's rotor buttons should be roughly the same. I had a smallport and a bigport dizzy side by side and the rotor button was slighlty different from the smallport, but I'm now using it in my bigport dizzy and no worries.

    Repco should be able to get you a bosch one if you don't want to use the other one you have. But it should work.. I know you can still find brand new dizzy caps to suit 4age's aswell through bosch.

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    i know you can get brand new dizzy caps and rotor buttons for the adm smallport and bigport engines but the jdm cap and rotor button is so different i dont really want to taks a chance on this 1 but thanks for the info
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

  4. #4
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    no more need for my questions for all your dizzy needs here and australia still has rotor buttons in stock just ordered a brand new 1 for $15

    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

  5. #5
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    What do you mean the cap and rotor button are so much different? JDM 4age's are different formation, RWD format, so leads exit to end of the cap and not the side like FWD set-ups. Both are interchangeable.

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    ah not true i have a jdm motor in the build and a fwd 4age in my car atm with a fwd spare complete dizzy the mounting screws on the side of the dizzy cap are in different positions between jdm and adm i will post pics
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

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    As pen15 said not interchangeable. The internals are virtually the same compared to fwd, but the housings are different (mounting screws are in different positions).

    My rotor was damaged on my jdm dizzy, so I got a new one for an ae82 and its the same.
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    I went and checked this out, and yeah they don't line up, I could've swore I used a FWD cap on my RWD dizzy assembly. Going a bit loco. Sorry bout that.

    P.s: That toyodiy.com site is fucking awesome!!

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    omg isn't it i have already called Toyota and got so much shit just throwing part numbers at them i love that site
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

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    where was that website like 5 weeks ago.... winning website

    FTP.
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