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I have a 1998 skyline R34 "standard" (GT or GTS) I believe they are called, it is not a gtt, but I would like to put gtt rotors and calipers on it.

if I get a set of good used calipers and rotors would these GTT rotors and caliper components bolt to the stock GT components hub/knuckle etc or would entire caliper mounting hub need to be swapped out to accept mounting of the GTT calipers? also would the current lug bolt pattern be the same so current wheels can be used?

Edited by JC71
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1 hour ago, JC71 said:

so from what I can find out, it seems that most agree that If your r34 non turbo car still has the standard GT brakes setup that the brake rotors and calipers from a GTT will bolt right up to the no turbo stock hubs, a few holes will have to be drilled larger to accept the calipers, but sounds like it would work. all agree or any other input?

 

 

You do need to drill things to use the GTT brakes.


The R34 GT (non turbo) uses R33 GTST sizing for things. You will be able to directly bolt R33 GTST brakes (front and rear) directly to a R34 GT.

That said, the entirety of "Drilling things" is making one 12mm hole a 14mm hole.

Source: Did this ?

The alternative, and nicer way to do it is to make up replacements for the 14mm inserts on the 310mm 4 pots with a 12mm thread in them. You just press out the big ones and put them in the cupboard, press in the 12mm ones and no drilling required. Just needs someone with a lathe, a tap and a knurler and 15 minutes per insert to make them.

^-- this is also a decent way. to do it. Probably the best way. There's many ways, I just meant to say that some minor work is required to get them to fit due to the different bolt size between GTT and the GT.

This is one of the "GT is just ... lower specced" things, like different ABS system, different bolt on brakes, S15 axles, balbalbala.

You'll most likely get a different answer from each person you ask on this but for me they do bolt straight up.

The R34 GTT brake I got bolted straight up onto my 25GT.

25GT and GTT both used 14mm bolts and even in parts catalogues they use the same bolt being 41005-AA000.

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