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Thread: R5 Gearbox

  1. #1
    Forum User dhay14's Avatar
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    R5 Gearbox

    hi all

    on the RTOC website 1/4 mile leader board ive seen allot of R5 with C1J engines runnin low 11 sec. on slicks. what GB are they driving with?

    http://www.rtoc.org/cgi-bin/leader_board.cgi

    and what GB do the R5Gtt come with originally?

    reg

    dhay

  2. #2
    Forum User dkrevs's Avatar
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    JB3 IIRC. Not sure on ratios.

  3. #3
    Forum User dhay14's Avatar
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    hmmm so lets say they do runlow 11 with JB3's and a whole lot of boost on those 1.4 engines than the JC5 are suppose to hold the a F7R on high boost or not?

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    JB3 is a weaker box then the JC5. If that's what you want to know.

  5. #5
    Quote Originally Posted by Markic
    JB3 is a weaker box then the JC5. If that's what you want to know.
    Internally yes, but externally they're both still made of the same piss weak cheesey failure material

  6. #6
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    Quote Originally Posted by 16v_paddy
    Quote Originally Posted by Markic
    JB3 is a weaker box then the JC5. If that's what you want to know.
    Internally yes, but externally they're both still made of the same piss weak cheesey failure material
    That's true LoL :D

  7. #7
    Forum User dhay14's Avatar
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    Quote Originally Posted by Markic
    JB3 is a weaker box then the JC5. If that's what you want to know.
    i know the JC5 are stronger. what im after is what parts of the boxes fails. is it the internal of the external casting? is it just the circlip failure?

    ive seen reinforced GB, at the circlip side will that be enough?
    ive abused the JC5 box allot at 10psi with the turbo till what torque are they proven to hold?

  8. #8
    Forum User dkrevs's Avatar
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    I've seen broken castings and the car wasn't boosted. Circlip is nothing compared to other gearbox failures. You can do a bolt in circlip, it's been done before, you can find a guide on C16V IIRC. A major upgrade regarding gearbox would be the swap for other item(marque). Honda gearboxes are better. The K20A Civics(TypeR's) have also LSD as standard. But then adapter plate and costum driveshafts must be made. Either way it's expensive.

  9. #9
    We have to meet soon Dhayrone.
    Maybe i will have some enlightening info for you

  10. #10
    Forum User dhay14's Avatar
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    no problem tuur, Im back in holland so we need to set a date to meet


 

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