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Uregent Urgent R33 Rear Caliper Question

Mk1_Oz
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Mk1_Oz Apprentice

Mk1_Oz

Posted
Posted

Sorry but this is a very urgent question. I am in the Classic Adelaide Targa tarmac rally next week and have just discovered a serious issue.

I have R33 GTR turbo rear calipers on the rear of my car. The caliper body is hitting on the rim without me realising (wheels put on by others whilst on a dolly so nobody realised!!). How much can I grind off the edge of the caliper body in the area shown in the attached pic (ie the edge of that roundish bit)? I really need to remove 3-4 mm.

post-74009-0-52598100-1345181338_thumb.jpg

Has anybody done this or pulled one apart and knows the answer?

Duncan Grand Master

Duncan

Posted
Posted

Hi mate, a much easier answer would be adding a 5mm slip on spacer, unless your wheel nuts will be too short.

I've taken 2mm off a caliper before for a similar problem and got away with it, but 3-4 would be really pushing your luck unless someone has done it before....afterall do you have a spare if you stuff this one?

BTW....good luck!

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Buy a spare and see how much material you can remove before hitting the fluid. I would guess the calliper is pretty thick at that point, you should be fine. It is only fluid pressure you would need to worry about imo as it isn't near the mounting point. That said, Duncan's idea is the better option.

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