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stupid gtr wheel size question

MELV
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MELV Experienced

MELV

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Posted

just a quick question to do with the 4WD system in gtrs.

i want to know if i fit lower profile tires on the rear of the car, will it start throwing power to the front wheels when it doesnt need to ?

i know that with mercs if u fit diffrent size tires on the back, the cars *ESP* system pics up the wheels are not spinning at the same time so it use's its *ESP* to try and fix it.

i have 265-35-18 on the front and want to put my 285-30-18s on the rear of the GTR.

i know its prolly a STUPID question but just not too sure if it would b ok or not.

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https://www.sau.com.au/forums/topic/76233-stupid-gtr-wheel-size-question/
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Guest Variable

Guest Variable

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I think you might have a problem with those sizes. The key is to have the same overall diameter with all 4 wheels. With your 265/35's on the front your profile is 92.75mm and with the backs it is 85.5mm.

Just as an example I had 255/40/17 Federals on the back of my 32 with approx 75% tread and then replaced the fronts with some brand new 255/40/17's and I had a constant 10 on my Torque split gauge. Unfortunately had to drive to Stanthorpe and back like that. When I got back, switch the new tyres to the back and presto - back to zero.

Hope that helps

Dirk

«Cyph3r» Experienced

«Cyph3r»

Posted
Posted

as everyone has allready said, wouldn't be good, the car would work but it can cause a lot of problems with the attessa as well as i'd imagine wearing out transfer case a lot quicker.

I have been told though if you pull the attessa fuse you can run diff size tyres as long as you want in rwd mode.

why did you want to run wider tyres at the rear in a 4wd car:confused: Does your car see the drag strip regularly?

MELV Experienced

MELV

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Hey Melv, is 265 all round not enough?

doesnt seem to be working to crash hot, it just sliding all over the shop in 1st gear.

i have crappy nankan 265s on all 4 atm but they just arnt sticky.

bought two brigston so-2's 285s cheap thought it might help stablise the rear end a little.

might have to find some 265-30-18s for the front now.

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