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Rb20/rb25 Gearboxes

zipzap
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zipzap Apprentice

zipzap

Posted
Posted

How does one recognise gearboxes meant for the different models of R32 skylines.

Looking thro the forum, there seems to be some info, but not enough.

Perhaps some one with a little experience can share their knowledge here.

It would be nice to know the external markings of these gearboxes and the ratios they come with and which model engines they can be mated to.

Thanks

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https://www.sau.com.au/forums/topic/321054-rb20rb25-gearboxes/
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  • 2 months later...
xplosive32 Contributor

xplosive32

Posted
Posted

Hey so i need to know the same thing, does anyone know how to tell the difference between an rb20 and rb25 gearbox from the caseing, ive just pulled my engine and box out and was told when i bought the car it was a 25 box but i know the guy i bought it off and hes usualy full of shit... so yeh just something to look for to be sure would be great he also said it came out of an r34, any difference ?

Birds Grand Master

Birds

Posted
Posted

Noticeable difference in size between turbo and non turbo gearboxes. Google image is your friend, or eBay listings selling those gearboxes.

R33 and R34 RB25DE boxes are smaller than their turbo counterparts, so it might well have an "RB25" box but this does not mean it is the bigger turbo box.

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