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R34 gearboxes

R32 GTSTT
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R32 GTSTT Community Regular

R32 GTSTT

Posted
Posted

ive put a RB30DET into my r32 skyline which still has the stock RB20DET box. Will be making around 340rwhp. Ive been told that will be pushing the box on the edge.

First of all just wanted to know the diference between the pull and push typesin the 33 boxes, and which type is strongest and why? Also are the 34 boxes stronger than the 33's? cheers

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

240rwhp, the RB20 box wont be at its limit, it will be past it.

Im making 270rwkw... and my RB20 gearbox was whining by the end of my first drag meet and has only got worse. Just take it easy till you get an R33t box.

R33-t boxes have been proven to be strong. Its probably not worth the $$$ of trying to find one from a 34. Not sure if they are stronger but the 33-t one is strong enough for what you need

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wrxhoon Grand Master

wrxhoon

Posted
Posted

Dont know about codes but there is no pull or push boxes . there is pull and push clutches though .

As far as i know all 32 + 33 gts are push type clutch ,34's not sure .

32 gtrs early mods are push , late mods are pull . 33 gtrs all pull , 34 gtrs all pull .

Some people convert pull clutches to push when they install twin plate clutches .

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05YKO_r33 Collaborator

05YKO_r33

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Posted

i just got my r33 gtst box rebuilt because i couldn't get a good second hand box for under $1500 and it seemed crappy. some people wanted up to $2100 for a second hand box. my rebuild cost $1900 alone (including fitting & removal).

a word of warning to those wanting to rebuild a box out of an r33 gtst there are some parts that take forever to get. i had to wait over 3 weeks for two of the cluster bearings eventually giving up waiting and using the second hand ones that were in there before (these bearings were still ok but not new, it was other parts that were broken).

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