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Old 05-14-2021, 05:40 PM   #1
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Z32 caliper trimming

I just recently put some z32 rotors and calipers on my s14 and my ?stance? wheels hit the outside edge of the caliper. I know the best solution is to get proper offset wheels but I?d like to make this work. My question is, how much of the middle hump on the caliper can I trim down before I get issues?
The pictures I took are with oem Infiniti wheels so they clear nicely.






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Old 05-14-2021, 10:28 PM   #2
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get the right wheels

not much meat on those calipers to shave
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Old 05-15-2021, 01:45 AM   #3
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Hard no. Walls on these are thin, you don't want to make them any thinner.

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Old 05-15-2021, 06:11 AM   #4
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Is the use of a small spacer an option? Awhile back I was doing some reading on Brembo's technical side of their website, and they recommend a 3mm minimum clearance on all sides (against the wheel face, and against the barrel of the wheel). Not telling you what to do, just giving out information.
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Old 05-15-2021, 10:49 AM   #5
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Quote:
Originally Posted by burnsauto View Post
Is the use of a small spacer an option? Awhile back I was doing some reading on Brembo's technical side of their website, and they recommend a 3mm minimum clearance on all sides (against the wheel face, and against the barrel of the wheel). Not telling you what to do, just giving out information.

I don?t have the fender clearance for a spacer sadly.


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Old 05-15-2021, 10:50 AM   #6
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Quote:
Originally Posted by Silv1401 View Post
Hard no. Walls on these are thin, you don't want to make them any thinner.

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Loud and clear man thanks


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Old 05-15-2021, 02:41 PM   #7
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looking at your pictures I really don't see how it's rubbing.
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Old 05-15-2021, 03:31 PM   #8
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looking at your pictures I really don't see how it's rubbing.

Stated above, I have oem Infiniti wheels on for pictures and they clear nicely


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Old 05-18-2021, 06:10 AM   #9
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If you trim that area, under hard breaking (track day or say, an emergency), you risk blowing the backing plate off of the pistons. That high hump area is there for rigidity and to reduce flexing during the piston transfer, if you thin that out, the caliper will crack and it will be during a time that you may not have a chance to regret.

Please be safe, be smart, and get spacers or fit the wheel proper. Do not modify the caliper the way you're asking to.
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Old 05-19-2021, 02:27 PM   #10
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Personally I would run the smallest spacer possible that will make it clear. If you don't have the fender clearance, then I would adjust the alignment and/or tire size. Which is all reversible unlike shaving down the caliper. Just my .02
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