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  #1 (permalink)  
Old 05-15-2021, 01:42 PM
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Cobra Make, Engine: Backdraft BDR4 GT
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Default space out wheels

Hey, anyone who successfully spaced out wheels to flush them with the body?

Btw, do you also have the left wheel standing way deeper in the wheel well as the right side (yes it's aligned)?
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  #2 (permalink)  
Old 05-15-2021, 03:14 PM
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Cobra Make, Engine: Superformance , Roush 427SR dyno'd at 526 hp
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Quote:
Originally Posted by coach36 View Post
Hey, anyone who successfully spaced out wheels to flush them with the body?

Btw, do you also have the left wheel standing way deeper in the wheel well as the right side (yes it's aligned)?
With the power and torque that these things deliver I would be wary about spacers. Talk to backdraft regarding your options
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Old 05-15-2021, 06:37 PM
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Iconic sells two different length peg drive bolt for the newer BDRs. The longer ones are typically use on the front hubs as they have a bolt on pin drive adapter the rear adapters are integral to the hub and the bolts can be shorter.
The long one is 6.5mm (.25" longer) probably not enough for your needs but if you do the measuring of the hubs and rotors you may be able to use a thicker spacer than 1/4" once you see what your thread engagement really is. Spacers should be a 5x120mm pattern (BMW)
https://www.iconicparts.com/peg-drive-bolts.html

If you have a 4 wheel thrust alignment done they can tell you if its a Drivetrain shift or not. If its not the Drivetrain that pretty much only leaves the body sitting on the frame cockeyed.
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Old 05-15-2021, 07:47 PM
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Default Wheel centering

There is a recent thread on the Backdraft Boyz facebook page about centering the wheels in the wheel wells. Apparently the unevenness is caused by the way the body is mounted to the frame.


Quote:
Originally Posted by coach36 View Post
Hey, anyone who successfully spaced out wheels to flush them with the body?

Btw, do you also have the left wheel standing way deeper in the wheel well as the right side (yes it's aligned)?
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  #5 (permalink)  
Old 05-15-2021, 09:25 PM
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I have a Unique and had a spacer on my right front tire with no problem.
If you are ever near Ripon or Manteca please call me and Iíll buy you lunch or a beer.
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Old 05-16-2021, 09:53 AM
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I own a Contemporary with wheels from Vintage Wheels, USA. The outside edge of the rear wheels sets inside the fender by about 2 inches. Make is difficult when you go over some roads with lots of swells rather than humps. When the car comes down, the tire rubs on the inside of the fender.
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  #7 (permalink)  
Old 05-16-2021, 10:23 AM
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What am I missing? The inside of the wheel sits flush against a flat surface and held tight either by lugs and nuts or by a knock off spinner. What is the difference if that flat surface is a brake drum, rotor/spindle, or spacer?
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Old 05-17-2021, 05:51 PM
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I have 1" rear spacers on my Midstates with a solid axle. It has deep dish vintage American racing wheels. Really only need to worry about it on your fronts as the spacers will affect the scrub radius and add a little more stress to bearings
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Old 05-24-2021, 06:16 PM
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I've owned several cars with 600+hp with spacers. Never had a problem but I don't ever buy cheap ones.
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Old 05-24-2021, 08:13 PM
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i too have used spacers a lot with no issues. Up to 1" thick. I am careful though about getting enough threads to catch in the nuts.
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