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Old 08-19-2020, 06:16 PM   #1
Gatorcamaro
 
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Drives: 2020 camaro zl1
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probably another wheel offset question thread

I am planning on purchasing new wheels. I really like the stock zl1 wheels but they are very tedious and time consuming to clean even with a ceram8c coat and using P&S brake buster.. I am interested in a set of VS forged wheels. I would like to keep the same diameter and staggered width. However, I would like to know what offset to choose. I really like the deep concave look, but I do not want any rubbing or have to make mods. Any suggestions? Thanks in advance!
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Old 08-19-2020, 07:19 PM   #2
Markoz28

 
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I have BC forged 20x10 with stock offset +20 I think and rears are 20x11.5 with +41 offset. Tires are 295/30/20 and 325/30/20.
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Old 08-20-2020, 03:20 PM   #3
gotswap
 
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BC Forged also

10.5 20mm 285-30
11.5 48mm 305-30

Have room for more tire so will up size a bit when these are worn out
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E-Force 2650
670WHP 615WTQ

All besides the 2650 is bone stock down to the air filter.
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Old 08-21-2020, 07:09 AM   #4
TEST DRyVer
 
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I asked the same question not long ago, with very little response. My car is a 17 ZL1 with 6mt and light bolt-ons.
Here's what I did:
Variant Krypton Wheels (approximately 6-7 lbs less than factory per wheel)
Front - 20x10 et15 + 5mm spacer (which equals et10) stock 285 width tires
Rear - 20×11 et38 (no spacers) stock 305 width tires
ZERO rubbing without any modifications to wiring harness. Factory suspension. Shockingly, the fronts don't poke at all. They sit completely flush! The rears are ever so slightly in set (a 3mm spacer would likely make it perfectly flush).
I love this setup! Not only does it fill the wheel well, but looks aggressive and purposeful. Slightly better ride quality, but I would attest that to new tires (also factory Goodyear F1 Supercar 3).
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Esthetics: Nardo Grey wrap with original black accents throughout, complete Xpel ceramic coat, Diode Dynamics markers, Smoked GM tail & 3rd brake light, C7 Carbon 1LE style Spoiler in blk, ACS splash guards, blk'd out emblems. Variant Krypton wheels in Gloss black.

Performance: AWE Touring catback exhaust with resonator, Rotofab dry intake, TM throttle body, Kooks 1 7/8 Headers with Green Cats, Advanced Fuel Dynamics Flex Fuel kit with e50 blend and dyno tuned.

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Last edited by TEST DRyVer; 08-21-2020 at 07:20 AM. Reason: Added pics
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Old 08-21-2020, 07:29 AM   #5
Fredtp
 
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Quote:
Originally Posted by gotswap View Post
BC Forged also

10.5 20mm 285-30
11.5 48mm 305-30

Have room for more tire so will up size a bit when these are worn out
With 11.5 and a 48mm offset you do not have much room to play with. If you had a lower offset you would be better.
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Kong Ported SC, 2.3 Grip Tec, Roto-Fab Big Gulp, NW103 TB, Mighty Mouse CC, ADM Expansion Tank, ARH 1 7/8 Headers, Catless 3" X-Pipe, Corsa Extreme, Eibach Springs, BMR Cradle Lockout, BMR Trailing/Control arms.
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Old 08-21-2020, 09:17 AM   #6
Markoz28

 
Drives: 18 ZL1 nightfall grey A10
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Location: RGV Texas
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Quote:
Originally Posted by gotswap View Post
BC Forged also

10.5 20mm 285-30
11.5 48mm 305-30

Have room for more tire so will up size a bit when these are worn out
To fit a 315 you are going to need a 3mm spacer. To fit a 325 you will need a 5mm spacer.
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Old 08-21-2020, 10:34 PM   #7
SpeedLimit
 
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Square setup that works 19x10.5 et 30 and +20 or +25mm et front bolt on spacer depending on how much front negative camber you run.
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Old 08-22-2020, 09:54 AM   #8
gotswap
 
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Quote:
Originally Posted by Markoz28 View Post
To fit a 315 you are going to need a 3mm spacer. To fit a 325 you will need a 5mm spacer.
I got those offsets on purpose, have 5 mm spacers to use if needed.

I am still a bit shocked at how much room there actually is though
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