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20x7 Front and 17x11 Rear Widebody Challenger

HRJ

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#1
Edit - changed the title to include both ends of the car. Also edited to include all information on the parts I bought to do this.

What's the specs to order these front wheels for a Hellcat (6 piston Brembo)? Also, what tires go on them?

Thanks.


EDIT - Done. Parts list below
E8D0CC1A-C94E-489F-BA7C-D8BB2E41A94A.jpeg

Wheels, Weld S71
20x7 Front - p/n 71HB0070W38A
17x11 Rear - p/n 71MB7110W58A

Front Spacers, ZL1Addons
3mm

Extended Wheels studs (required for front, I did both frt and rr), Dorman
14mmx1.5 - p/n 610-509

Lug nuts, Gorilla
14mmx1.5 - p/n 78644n

Rear tires, Mickey Thompson
ET Street R - 315/50r17

Front Tires, Bridgestone
Potenza S001-I - 195/50R20
 
Last edited:

Magnified

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#2
This is going to be neat!
 
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HRJ

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Thread Starter #3
I hope so. Can't seem to find this info anywhere, though.
 

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#4
Cool. You guys can run the tires off of a BMW i3.
 
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Thread Starter #5
Cool. You guys can run the tires off of a BMW i3.
Maybe, I guess. Dunno if the load rating is gonna fly.

Found this pic on the ol' webz. Can't make out the details on the sidewall other than it's a Bridgestone Potenza.

20x7.jpg
 
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HRJ

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Thread Starter #6
Got an answer back from Weld. 20x7, 4.2" backspace and High Pad and requires an 1/8" spacer.

Now to figure out that tire....


CORRECTION:
- The fitment above is for a narrow-body Hellcat.
- Widebody Hellcat 20x7 fronts come in two options... High Pad, 2.25" backspace and -45 offset OR a High Pad, 3.8" backspace and -6 offset. The 2.25" BS wheels fit flush with the fender, but have the wrong offset/scrub radius. The 3.8" BS wheels have the correct offset but sit inboard 2" from the fender.
- Both wheels require a 1/8" spacer.

I'm picking the 3.8" BS version. Would rather have the car drive better and don't mind the wheel being recessed into the fender.
 
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Decay

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#7
Got an answer back from Weld. 20x7, 4.2" backspace and High Pad.

Now to figure out that tire....
Did Weld have a suggestion on the tire?
 
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Thread Starter #8
Unfortunately, they didn't answer that question.
 
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Thread Starter #9
I made a correction in my post above on fitment. Weld specs out different offsets/backspacing on Narrow and Wide body cars.
 

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Same choice I would have made. you planning on that being track only, or are you going to drive around innocently with skinnies on the front on the street?
 
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Thread Starter #11
Same choice I would have made. you planning on that being track only, or are you going to drive around innocently with skinnies on the front on the street?
It'll see some street. Not all the time, but there are times that I'll be on them out in the world. That's why I wanna do the 20x7 S71s. Should be more durable than a track-only 18x5 and handle better. Won't be as light, but will be lighter than the factory 20x11s.
 

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You sure on that 1/8 spacer I have them on my non wide body Challenger Hellcat with no spacers 20x7
 
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Thread Starter #13
Not 100% sure till I go to bolt them up. Weld's fitment guide said it was required...guess we'll see.
 
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Thread Starter #14
The Welds should arrive today according to FedEx. w00t!

Now I just need to measure ID to order my hub-centric rings. I'll unbox them and post pics when they hit.
 
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I cant read....delivery will actually be tomorrow.
 

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You sure on that 1/8 spacer I have them on my non wide body Challenger Hellcat with no spacers 20x7
What is your BS & offset on your 20x7's ?
Pics. ?
 

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Pics, of course
 
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Thread Starter #18
37A2A214-6605-4BF5-A489-D3B7AAC38AD0.jpeg 1AE1B982-5E82-461F-B820-A84FEDCB005F.jpeg C1B31D02-7445-4980-8E77-EDF7BF204DCF.jpeg
 

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son of bitch, that's pretty.
 

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