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How Do I Tell The Difference Between A R32 Gtr And R33 Gtr Gearbox?


Burns
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How do I tell the difference between a R32 GTR and R33 GTR gearbox when out of the car? I’m looking at one tomorrow and want to be sure it’s a R33 box.

Also how can I check the condition of a gearbox when out of the car?

Thanks

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R33 will be a pull type gearbox... R32's are push type.... (well late R32's will be pull type, so are exactly the same as R33 gearboxes)....

look at where the slave bolts onto the bellhousing and where the hole for the clutch fork is. if the slave bolts on on the rear side of the gearbox (near the hole for the clutch fork) then its a pull, if it bolts on in front of the hole, then its a push.

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Thanks I couldn't see any part numbers on the box. But going by ferni's explanation I think the box that was sold to me as an R33 is actualy an R32. See the pics the MC mounts in front of the clutch fork.

gallery_1246_89_21380.jpg

gallery_1246_89_7472.jpg

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Sorry...but i would like to know if a GTR33 gearbox would fit into a 1990 GTR32? If not, wot work needs to be done to fit it in and is it likely to cost a lot?

Anyone can help?

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To convert it you need some parts from an push box (your old one if its still around), you change the pivot point and tap the casing to swap the direction of the slave cylinder, the casing should have the right points cast into it but no thread.

About 1hr work for a competent workshop once both boxes are out.

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If you want to fit the box you have in the pic, it's a traight fit, it's a push clutch box.

If you want to use a later model pull box and use a push clutch , like Duncan said use your old fork, pivot and slave and tap the housing, its easy , it has the flat spot there so you can't go wrong..

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