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Wide Arches and Wheel Spacers
chrisbmxr - 26/9/18 at 04:33 PM

So, last week I finally managed to find some 13Ē TD Pro Races for my Indy. Itís been on 15Ē copies since I bought it and Iíve been wanting to move to 13ís since!

So I fitted them but the offsets werenít quite right as you can see in the image below. I do however love the wider stance theyíve given the car!

The front wings arenít an issue as I will fit new ones over the new wheels, but the rear arches are a little more troublesome.
The car is fitted with the standard 280mm MK rear arches at the moment, so I was looking to move to the wide arches which are 345mm (65mm wider). As you can see they will overhang the wheels considerably!

Would I be OK to run spacers on the rears to bring the wheels nearly flush with the arch edge again?

Thanks


big-vee-twin - 26/9/18 at 09:14 PM

I run 5mm spacers on the fronts to centralise the wheels, make sure your wheel studs are long enough to provide enough threads you need about 8 turns.


tajgreidotu - 27/9/18 at 03:12 PM

As far as i understand the OP wants a spacer in between the rear arches and the body, so the arches fit the ET of the tyres.


I might have the same issue, once I bolt everything. I have been thinking on making a rubber template with the same arch pattern, so it works as a spacer.

Let me know what you come up with!


jps - 28/9/18 at 11:58 AM

quote:
Originally posted by tajgreidotu
As far as i understand the OP wants a spacer in between the rear arches and the body, so the arches fit the ET of the tyres.


I might have the same issue, once I bolt everything. I have been thinking on making a rubber template with the same arch pattern, so it works as a spacer.

Let me know what you come up with!


I read it the other way round. He's going to fit arches which are 65mm wider. That pic is his current arch with the new wheel, but going with an arch 65mm wider will mean the arch overhangs the wheel by a fair bit. So he then wants to space the wheels out to 'fill' the arches better.

I was under the impression that deviating a long way from wheel offset was no ideal as it shifted the strain on the hub, but don't know what is reasonable tolerance or whether the fact of kits being a lot lighter than the original applicaiton gives a lot of latitude?


big-vee-twin - 28/9/18 at 08:00 PM

What he ^^^^^ said.