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Whats the perfect offset for aftermarket wheels for an RST?

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Old Mar 18, 2006 | 01:06 PM
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Default Whats the perfect offset for aftermarket wheels for an RST?

I've found some stunning 17 x 7.5j wheels that are 4 x 100 PCD and ET35 offset, will these fit ok?

Thanks
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Old Mar 18, 2006 | 01:10 PM
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Hi bud stick to et35 unless you got rear discs, if you have and the car is lowerd you may have to go et42 and put a 5mm spacer up front to keep the wheels of the inner wings cheers andy.
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Old Mar 18, 2006 | 05:23 PM
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Why does having rear discs affect the offset of a wheel? Thanks
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Old Mar 18, 2006 | 05:31 PM
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I have 40mm offset wheels and they catch on the back due to the rear discs

Was great before as i could take 3 in the back with ZERO rubbing
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Old Mar 18, 2006 | 05:42 PM
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Having rear discs moves the wheels out....
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Old Mar 18, 2006 | 05:49 PM
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Cheers Rad, so ET35 would suit for the front's then, what about the rears, ET40/42?
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Old Mar 18, 2006 | 06:09 PM
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A 38 - 40 would be fine
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Old Mar 18, 2006 | 06:49 PM
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Is that with discs on the back aswell?
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Old Mar 18, 2006 | 07:38 PM
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i work for ripspeed selling alloys and i always said that is the best offset
untill i tried a set of 17 x 7.5 alloys that where ment for a focus they fit bob on with no rubbing and no arch mods and mine is loward!!!!!
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Old Mar 18, 2006 | 08:34 PM
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You've all missed the fundamental problem here......

4x100!!

RST's are 4x108.

IMO 7x17" is the maximum you should fit to an ERST and ET35 is best. Not sure about what happens with rear discs though, as I still have DRUMS!!
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Old Mar 18, 2006 | 09:13 PM
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Originally Posted by Christian and Beccy
You've all missed the fundamental problem here......

4x100!!

RST's are 4x108.


IMO 7x17" is the maximum you should fit to an ERST and ET35 is best. Not sure about what happens with rear discs though, as I still have DRUMS!!
Good job I asked then Christian!
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Old Mar 18, 2006 | 11:45 PM
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I run 7.5" x 17's ET35 with rear discs no probs
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Old Mar 19, 2006 | 10:47 AM
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Cheers Ad, yours are ST170 ste-up on the front arnt they? What you got on the rears?
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Old Mar 19, 2006 | 11:21 AM
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Originally Posted by Dan
Cheers Ad, yours are ST170 ste-up on the front arnt they? What you got on the rears?
Yes mate, 300mm ST's up front, cossie 273's at the rear
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Old Mar 19, 2006 | 04:50 PM
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Cheers fella, when you say cossie, you mean 2wd Saph?
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Old Mar 19, 2006 | 11:17 PM
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168mph,with rear drums, brave man)

ive got rear drums too,but mines about,190bhp(complete with air leak)soon to be rectified with my new ford servo(120 ).
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