04-18-2022, 10:13 PM | #1 |
Drives: 2022 ZL1(FEA suspension) Rapid Blue Join Date: Apr 2019
Location: Chemainus BC, Canada
Posts: 489
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1LE wheels on regular ZL1
I know this has been brought up many times before, but can't find the thread.
Putting 1LE 19x12 (325)on the rear of a regular ZL1. Is there an issue with the wiring harness and needed to be moved, or was this problem only on the SS? |
04-18-2022, 10:36 PM | #2 |
Drives: 2015 Z/28 #397 2022 ZL1 #1799 Join Date: Jul 2009
Location: DC
Posts: 521
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This has also been discussed with putting wider tires on the standard ZL1 wheel in the rear and the right move has been to relocate the driver's side rear wiring harness.
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04-19-2022, 07:07 AM | #3 |
Dyno Show Queen LOL
Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,343
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No problems running 19x12 345 30 19s 2 years running
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04-19-2022, 07:13 AM | #4 |
Drives: 2017 ZL1 Join Date: Jan 2017
Location: NJ
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I run ZLE spec wheels (Apex) on my ZL1 with even wider that ZLE spec'd 345/30/19 tires (555RII). No issues after moving the harness in left rear wheel well to the inside (even using factory holes for clips) and rolling out bump in liner with heat gun/roller. Well over a year like this with no issues. I actually was rubbing the rear left inner liner on stock ZL1 wheels/tires after a couple track days, I'm not rubbing any longer even with the bigger tires after relocating the harness and smoothing out the bump.
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2017 Camaro ZL1 Coupe M6 (847whp Dynojet on 93)
Last edited by LiqTenExp; 04-19-2022 at 07:23 AM. |
04-19-2022, 08:51 AM | #5 | |
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 11,494
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Quote:
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04-19-2022, 10:50 AM | #6 |
Drives: 2023 ZL1 M6 Join Date: Sep 2018
Location: Pace FL
Posts: 412
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The wider setup fits great. It’s when the tire gets taller it has issue with the harness and bump in liner. My 19x12 with 325/30 had plenty of room.
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04-19-2022, 02:27 PM | #7 |
Drives: 2018 ZL1 Hyper Blue A10 Join Date: Jan 2018
Location: Covington LA
Posts: 646
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With the 345s, how far do these stick out from the top of the fender well?
I've heard they cane brought in some by adding some neg. camber.. Trying to decide whether to go 19" or keep the 20" |
04-19-2022, 08:51 PM | #8 |
PKG4U
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I don’t believe you can run this in a 20inch wheel
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04-20-2022, 07:21 PM | #9 |
Drives: 2018 ZL1 Hyper Blue A10 Join Date: Jan 2018
Location: Covington LA
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04-20-2022, 09:08 PM | #10 |
PKG4U
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I’m not an expert, but I’m not sure I have 1more inch in diameter to give on my 19x12 325/30 setup. Someone else will chime in to confirm tho
Actually with 26mm~1inch you might be okay
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2020 Camaro LT1. Bought 10/2020 | GM PERF. CAI | GM Muffler Delete (Performance Exhaust 4” tips). | SOLD 1/2022|
2018 ZL1 Summit White | Bought 1/2022 | PDR, Recaros, Carbon Dash, WeaponX Hx System, Apex SM-10 in ZLE fitment w/PS4S Mods after Warranty “Imma keep it stock” |
04-21-2022, 07:58 AM | #11 |
Limitless Imagination
Drives: 2018 ZL1 & 2022 Hayabusa Join Date: Dec 2016
Location: Louisiana
Posts: 471
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Up front with similar ZLE offsets with 20s, you should be fine. On the rear, you may run into some contact on the inner fender itself. I tried with a ZLE offset, 315/30R20 rear tires and had a slight rub on large bumps. I think a slightly lower profile like 305/30 may would be just enough to not have any issues.
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