Rim Width For Track R33

[tarmac]

i currently have 8 inch rims on the front, and 9 on the back.. the car is now 270rwkw , stripped heavily, running isc coil overs, 2 adjustable sway bars, adjustable castor arms, removed hicas, locked subframe full roll cage, 1 seat.. it handles very well however have just upgraded turbo and looking to buy a new seat of slicks so what rim width and tire size would you recommend. i want to stick to the 17inch sized rims. will there be much benefit running 9fronts and 10rears over the current 8fronts and 9 rears.

can anyone suggest their preferred brand of full slicks.

[Checkbuzz]

i currently have 8 inch rims on the front, and 9 on the back.. the car is now 270rwkw , stripped heavily, running isc coil overs, 2 adjustable sway bars, adjustable castor arms, removed hicas, locked subframe full roll cage, 1 seat.. it handles very well however have just upgraded turbo and looking to buy a new seat of slicks so what rim width and tire size would you recommend. i want to stick to the 17inch sized rims. will there be much benefit running 9fronts and 10rears over the current 8fronts and 9 rears.

can anyone suggest their preferred brand of full slicks.

Hey mate

I run 8" front and 9" rear on the track and it is a great set up for an ECR33.

On the road I run 8.5" front and 10.5" rear more for looks than anything and I doubt you would notice the difference on the track - save yourself some $$$ on new rims and spend it on tyres.

FYI - I bought G-max drift 6 rims (forged & only 8kg!) brand new for the track for about $1300 (Bob Jane)

As for tyres i use Kumho KU36 for track days, so not a proper R spec tyre but good bang for buck and my lap times surprise many of the drivers on R spec tyres.

They may not have the quite same grip level as R spec but they can take the punsihment and are also literally half the price (can also be driven on the road - although not ideal in the wet)

There are plenty of tyre threads on SAU where you can pick good info on track tyres. Enjoy.

cheers

Edited June 10, 2010 by Checkbuzz

[tarmac]

Hey mate

I run 8" front and 9" rear on the track and it is a great set up for an ECR33.

On the road I run 8.5" front and 10.5" rear more for looks than anything and I doubt you would notice the difference on the track - save yourself some $$$ on new rims and spend it on tyres.

FYI - I bought G-max drift 6 rims (forged & only 8kg!) brand new for the track for about $1300 (Bob Jane)

As for tyres i use Kumho KU36 for track days, so not a proper R spec tyre but good bang for buck and my lap times surprise many of the drivers on R spec tyres.

They may not have the quite same grip level as R spec but they can take the punsihment and are also literally half the price (can also be driven on the road - although not ideal in the wet)

There are plenty of tyre threads on SAU where you can pick good info on track tyres. Enjoy.

cheers

Ok thanks

Im looking at running some 240/625/17 sized full slicks all around, I assume these will fit over a 8inch rim.. Are the sidewalls in race tires very stiff e.g., no need to stretch em onto a tire to remove any lateral movement?

[Duncan]

correct. and 240 is perfect for 17x8, I run that size and am very happy

"stretch" is rubbish. just a fashion. manufacturers make their track tyres with extremely stiff sidewalls, just follow their fitment recommendations.