russandra Posted August 20, 2018 Posted August 20, 2018 Hey fellas This has probably been answered many times but I can't find the answer I am looking for. What is the difference in height between the mounting holes of a R33 caliper and a Z32 TT caliper to the centre line of the pistons? The R33 uses a 296mm rotor (Part DBA4963) the Z32 a 280mm rotor (DBA909) from the DBA Catalogue. The rears are the same rotors. Looking at doing the Nissan 4spot conversion on the Z and going to the SW Motorsport brackets. Will these brackets work with the Z32 as I know Stewart made these for R33 conversion? I can get a good deal on Z32's, hence the Q's. I could go a completely different way with the brakes but I am wanting to do a conversion where in 20 years time I don't have issues buying spare parts and I know these brakes look the part. Also if anyone has any other differences between these calipers can you please share. I am also going the In Hat drum rear conversion also. It is much neater and also stronger than the R31 rear calipers. I had a r31 18 years ago and the R31 brakes are not very good. Thank Guys Quote
KatoKid Posted August 20, 2018 Posted August 20, 2018 Check out Youhan's thread which details similar issues you raise: Quote
KatoKid Posted August 20, 2018 Posted August 20, 2018 Pretty sure that the distance between R33GTS-T mounts is 100mm vs 90mm for Z32. R31 handbrake can be made to work well with geometry changes, have a look in my build thread. Sorry cant remember page number but will be around 2/3rd's through. Quote
Groundhog Posted August 20, 2018 Posted August 20, 2018 Have a R33 set i am not using if you want to measure them. Quote
JDM-TOY Posted August 22, 2018 Posted August 22, 2018 (edited) @russandra Hey champ on my setup I bought the R32 GTR calipers and they are not fitting due to the 378mm DBA discs being so large. The caliper does not meet the bracket. I will be possibly be getting the R33 GTS-T calipers and keeping the larger discs instead of getting the smaller disc. Still not decided and haven't spoken to Stewart as he is away till Monday. But definitely try to use the R33 handbrake as it works well with the SW setup on the S30 Cherrs Youhan Edited August 22, 2018 by JDM-TOY Quote
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