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Can I Grind Calipers Off By 5mm?

subie
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subie Grand Master

subie

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honestly, f**k no. You'll end up going through into the galleries (for lack of a better term) taking that much off.

You'd be better off fitting spacers or r33/34 calipers and rotors

R33/34 calipers are smaller than R32 ?

if i'm gonna put 5mm spacers, do i need longer studs?

cheers

BHDave Grand Master

BHDave

Posted
Posted

are you talking 5mm off the inside or 5mm off the face?

the r33/34 calipers have a greater offset so you don't need to worry about removing material from the inside.

If you are talking about the front then a 5mm slip on is about the biggest you would consider, and even then it is border line depending on the wheel. You can shave the nissan lettering off to give you another 2-3mm clearance.

subie Grand Master

subie

Posted
  • Author
Posted
are you talking 5mm off the inside or 5mm off the face?

the r33/34 calipers have a greater offset so you don't need to worry about removing material from the inside.

If you are talking about the front then a 5mm slip on is about the biggest you would consider, and even then it is border line depending on the wheel. You can shave the nissan lettering off to give you another 2-3mm clearance.

Hi mate,

what do u mean by "talking 5mm off the inside or 5mm off the face" ?

it's not the "nissan" lettering parts that i need to grind it off.. it's that bit where i circle and i think i need about 2-3mm or 5mm the max

by the way, it's the front calipers that need to be done

Cheers

Duncan Grand Master

Duncan

Posted
Posted

5mm off the calipers is huge mate. you muight be able to do 1 or 2mm safely.

if you still want to.....give it a go those calipers are cheap to replace. but i think you will get to important inside bits like brake piston within 5mm....

subie Grand Master

subie

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to be honest, i'm not 100% sure how deep i need to grind it back.. hopefully 1-2mm max..

does anyone know if there have perfect fit slip-on spacers? like... 5 x 114.3 hiles and with the centre hub hole that fit on the hubcentric on the car ( so, it have no movement on the spacers) ..

anyway, just keep the inpits coming guys

Cheers

Ford

subie Grand Master

subie

Posted
  • Author
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i'm running 18 x 8.5 +30 ssr sp1's on the front and with a 3mm spacer i'm all good! have had NO hastles with it and still get HEAPS of thread

Hi,

what type of ur slip-on spacers? any vibration while driving high speed? where did u get the 3mm ones, seem to see alot of 5mm and 7mm..

cheers

adam-__- Grand Master

adam-__-

Posted
Posted (edited)

Best to install some 5mm spacers in my opinion. Getting hub centric spacers will be best. From what I can see in the picture you've just posted, it doesn't look like the wheels are resting on the hubs, but the studs itself. You'll need some hub rings for them to sit on the hubs. Just grinding 2-5mm off the calipers and leaving the wheels as they are is no better than just installing some 3-5mm spacers.

Edit: I also wanted to mention that you can't rely on offsets alone to decide whether or not the wheels will clear the calipers. It's all in the design of the face of the wheel.

Edited by adam-__-
subie Grand Master

subie

Posted
  • Author
Posted

thanks Adam,

does anyone know if i can get the hub centric slip-on type spacers? cause the thinest bolt on hub centric we can get is 15mm!

update: I have the 3mm spacers on and it just just tiny tiny tiny tounch.. so I might need to get the 4mm ones then!

I need someone to make the spacers for my car in 4mm thickness

Cheers

n15m0 Grand Master

n15m0

Posted
Posted

wheel offset is not your problem here, its the disk type...your wheels are probably O disk instead of A. I was faced with this problem ages ago...honestly...get new wheels. Spacers are highly illegal and I don't recommend grinding calipers either.

subie Grand Master

subie

Posted
  • Author
Posted
wheel offset is not your problem here, its the disk type...your wheels are probably O disk instead of A. I was faced with this problem ages ago...honestly...get new wheels. Spacers are highly illegal and I don't recommend grinding calipers either.

can u tell me abit more about O disk and A disk?

cheers

n15m0 Grand Master

n15m0

Posted
Posted (edited)
can u tell me abit more about O disk and A disk?

cheers

O disk = low brake caliper clearance

A disk = standard caliper clearance (clears most factory 32,33,34 brakes)

R disk = high caliper clearance (eg: brembos etc...)

Wheels with the same width and offset come in different disk types hence your problem. A lot of ppl have the misconception that just because they had wheels of XX offset before it should fit no problems...

Hope that helps...Like you, I learnt the hard way too..tried slip on spacers, bolt on spacers...considered grinding calipers...in the end if was better to sell them and buy correct wheels to fit. Now everytime I buy 2nd hand wheels I make sure I find out the disk type as this was particularly important especially 34 front brakes.

post-6973-1212833196_thumb.jpg

Edited by n15m0

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