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Old 09-10-2021, 10:11 PM   #18
MatthewAMEL

 
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Drives: 2023 CT5 Blackwing, 2025 C8 Z07
Join Date: Sep 2016
Location: Denver
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Quote:
Originally Posted by yourmomshouse View Post
Reading from Apex's site they say I would need the camber plates OR spacers and studs to run a 305/30/19 up front.

I assume you are referring to this part of the Apex Fitment guide?



  • Front: 19x11” ET11 - 305/30-19
    Rear: 19x11” ET35/43 - 305/30-19
    • On models equipped with the bulkier MRC suspension, it is important to note that if you dial in camber at the spindle, you may have inner strut clearance issues up front. 3-5mm spacers would be needed at that point. If you dial in camber with adjustable camber plates, no spacers required.
    • This is an aggressive fitment for the SS and SS 1LE since they do not have wider front fenders. Negative camber, via plates, required up front to limit poke.
    • Direct fit with the wider ZL1 front fenders with stock alignment
Do you have MRC? I would assume 'no' since you have made some fairly substantial suspension changes.


I can tell you from experience that I have no problem getting -2.5F with the Apex 19" on 305/30-19's. No spacer. No plates.


I think holding off on any further suspension changes until you pick a tire/wheel setup and get some time with it, is a good move.


And I agree that the rear cradle is one of the areas that benefits from aftermarket (or ZLE bushings). I did BMR lockout and the (front) rear cradle braces to get rid of wheel hop. Also helped my PTM more accurately push me out of corners.
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