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  #13  
Old 08-27-2016, 05:58 AM
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Quote:
Originally Posted by YahBrahCaDaBrah View Post
I've read numerous posts about rims & am still a bit confused on the perfect offset for flush rims.

For a 22" x 10.5 " rim, what's the best offset for the rear & front?

I'm assuming 35mm for the front with stock brakes is the best for being flush? Some have said 32mm??? What if I go with stoptech aftermarket rotors? Will 35mm still clear?

I'm also assuming 40mm is perfect for the rear & 38mm is near perfect, but sticks out slightly?

I am on RM mid drop springs as well. Any help will be appreciated. My rims have 40mm offsets & I'm trying to figure out what spacers I'll need.
I have 22" hellcat reps @+35mm and I can literally only slide a sheet of paper between the front caliper and spokes. It has to be only 1mm clearance - if that.



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  #14  
Old 08-30-2016, 07:00 PM
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Wheel Offset (32mm or 38mm Front)



Got em on ghetto rigged with two 1/8" universal spacers on each side in the front until my motorsport tech 5mm spacers come in...
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Old 08-30-2016, 07:08 PM
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Re: Wheel Offset (32mm or 38mm Front)

I would never run spacers. There's too many wheels that fit properly to run.spacers
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  #16  
Old 08-30-2016, 07:42 PM
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Wheel Offset (32mm or 38mm Front)

Quote:
Originally Posted by Scottina06 View Post
I would never run spacers. There's too many wheels that fit properly to run.spacers


I picked to have all +40mm so I can rotate them properly. 5mm (0.197") hubcentric spacers do no harm..anything larger may be asking for trouble. I have more than enough hub sticking through to keep everything right. I've also run some quick FEA on the wheel studs & the load they'd be introduced to whilst utilizing a 5mm spacer..nothing substantial. Plus, the custom made spacers will eliminate any vibrations. The +40mm is flush as can be in the rear on RM mid drop & the front needs 4mm to clear the brembo calipers, but I'll be doing 5mm spacers for peace of mind.
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Old 08-31-2016, 08:58 AM
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Re: Wheel Offset (32mm or 38mm Front)

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Originally Posted by Scottina06 View Post
I would never run spacers. There's too many wheels that fit properly to run.spacers

Yeah Scott, I agree 100%.


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Old 08-31-2016, 09:02 AM
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Re: Wheel Offset (32mm or 38mm Front)

Quote:
Originally Posted by YahBrahCaDaBrah View Post
I picked to have all +40mm so I can rotate them properly. 5mm (0.197") hubcentric spacers do no harm..anything larger may be asking for trouble. I have more than enough hub sticking through to keep everything right. I've also run some quick FEA on the wheel studs & the load they'd be introduced to whilst utilizing a 5mm spacer..nothing substantial. Plus, the custom made spacers will eliminate any vibrations. The +40mm is flush as can be in the rear on RM mid drop & the front needs 4mm to clear the brembo calipers, but I'll be doing 5mm spacers for peace of mind.
Why not a +35 that many wheels companies offer? I have +35 concavos with 3p5 35 22 tires and I rotate them no problems. And I don't need spacers....the extra cost or taking the chances on failure.
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  #19  
Old 08-31-2016, 10:08 AM
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Wheel Offset (32mm or 38mm Front)

Quote:
Originally Posted by Scottina06 View Post
Why not a +35 that many wheels companies offer? I have +35 concavos with 3p5 35 22 tires and I rotate them no problems. And I don't need spacers....the extra cost or taking the chances on failure.


+40 is exactly flush with the rear fenders with the RM mid drop. +35 would slightly stick out & most likely strike the inner fender on bumps. Again, I'm an engineer & utilized ANSYS, FEA (Finite Element Analysis), to ensure the stresses from a 5mm spacer on the stock wheel studs & the stock ~10mm hub wouldn't cause any substantial stress (specifically shear stress)..it was negligible. The extra cost is $75, I can deal with that.
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Old 09-16-2016, 07:31 AM
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Re: Wheel Offset (32mm or 38mm Front)

Quote:
Originally Posted by YahBrahCaDaBrah View Post
+40 is exactly flush with the rear fenders with the RM mid drop. +35 would slightly stick out & most likely strike the inner fender on bumps. Again, I'm an engineer & utilized ANSYS, FEA (Finite Element Analysis), to ensure the stresses from a 5mm spacer on the stock wheel studs & the stock ~10mm hub wouldn't cause any substantial stress (specifically shear stress)..it was negligible. The extra cost is $75, I can deal with that.
I have +35 and they stick out but barely
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