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Drag Tyres - Slick Width And Height -gtr32

exXU1

By exXU1,
in Motorsport Discussion & Builds

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exXU1 Mentor

exXU1

Posted
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Currently using MT ET radials - good for preliminary runs but will require slicks.

What i need to know is in the heat treatments GTR they are running the same wall and tyre diameter front and rear but the widths differ. The rears are substantially wider than the front.

They look like Dunlop may be Hoosier . Any one know what make and specs of tyre will allow me to do this and also what rims would be suited?

As i have mentioned i currently have standard GTR32 rims withy MT Et radials but need info to run slicks .

NXTIME Grand Master

NXTIME

Posted
Posted

Also, if you are using an adjustable torque split controller (like the HKS or even hydraulic one) wouldn't that negate the need for same diameter tyres? Are you also allowing for tyre growth on the rears?

exXU1 Mentor

exXU1

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Also, if you are using an adjustable torque split controller (like the HKS or even hydraulic one) wouldn't that negate the need for same diameter tyres? Are you also allowing for tyre growth on the rears?

Nah - centrifugal force - both front and rear - i would say same tyre or similar growth , may be minimally larger at the rear when spinning but that doesnt count.

looking into the slick side of things - not that easy to find out info.

My rims are mint GTR and the MT are new and haven't been on car yet . I would like to work with you on this but i firstly have to find out the price and availability of the Bogarts and Goodyears - any idea where to buy these from?

NXTIME Grand Master

NXTIME

Posted
Posted

www.bogartracingwheels.com :P

what about weld wheels?

MT ET drag wheels are about 5.5 kg each in 15 x 8", but the Bogarts are the lightest I know of (4kg each) and are about $400+ each wheel

datsqik Enthusiast

datsqik

Posted
Posted

Dave,

You can get weld racing rims from the states for just over $1000 delivered for 15x8's and are available in a heap of offsets. I reckon some M/T 15x26x8.5's would be a good starting point and are readily available especially toward the end of the season as they have sales.

I have a question about the legalities of running a slick on an awd car as I know last year it wasnt allowed under andra rules but they made exceptions for certain cars. Can anyone tell me if that has been changed in this years andra rule book?

exXU1 Mentor

exXU1

Posted
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Dave,

You can get weld racing rims from the states for just over $1000 delivered for 15x8's and are available in a heap of offsets. I reckon some M/T 15x26x8.5's would be a good starting point and are readily available especially toward the end of the season as they have sales.

I have a question about the legalities of running a slick on an awd car as I know last year it wasnt allowed under andra rules but they made exceptions for certain cars. Can anyone tell me if that has been changed in this years andra rule book?

Have just had a look at the Weld site Smiley - the $1000 delivered from the states is not so bad realy? we will have to have a good look at the offsets particularly on the front as i want to have her as low as possible but now with the ET's that i have -if i go any lower my uper arm will rub. Once she is back from the paint shop i will have to address this on a closer level.

May be i should just stick to what i have at this stage and in the interim check the ANDRA status?

exXU1 Mentor

exXU1

Posted
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I have a set of 5 stud 15x8 weld pro stars here with a 4.5" back space with some 15x26x8.5 M/T slicks you can try on to see whats going to fit.

That sounds good Smiley - didnt know you had those? Oh well that turned out well , catch up with you over the week end.

  • 3 months later...
exXU1 Mentor

exXU1

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The tyre and rim thing is resolved -thanks for all your input.

Fortunately scored - Advan rims and 10'" slicks - tyres not suitable for use but good for set up. A simple die grind over the calipers and on they went. These were off the Tomei Drag car that Hi octane had - i consider my self lucky and thanks to Mark Jacobson from Godzila racing.

Any one know where to attain extra long wheel studs and open light wieght nuts??post-10298-1212224284_thumb.jpgpost-10298-1212224052_thumb.jpg

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