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The mkiv Supra Owners Club

Rota GTR


jackso11

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My fronts are 35 (8.5" wide with a 245 40 18) and the rears are 30 (9.5" wide with a 275 35 18).

 

No arch rolling here but my suspension is pretty hard. When I change to CW's suspension setup I will likely need to roll/trim the rear arches.

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when you trim arches, where do they actually trim? does the car look different from the outside or is it just the inside of the arch that is changed?

 

Total novice when it comes to trimming/rolling arches.

 

its just the inside lip... looks no different from the outside -and yes, I have the GTR's too and the lips needed trimming

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To the best of my little knowledge....

 

Its the lip on the arches they either bend it back or cut it off slightly. There are possible side effects if it doesnt go 100% think some people have had the "50p" effect when rolled?? and also arches are prone to rust if the paint cracks while rolling, or where the lip has been trimmed...just treat with rust proof stuff.

 

Best bet is to get them trimmed... to avoid damage to the shape of the arch

 

Doent look different on the outside unless you get the arches flared....

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plastic part (as already mentioned) is front only. Only the rears need trimming/rolling

 

How much did you trim off, can you remember? 6, 8, 10mm? Does that now give you a full range of motion at the rear allowing the tyre to rise up into the arch?

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