Warning about HRE wheels and how they fit

[horned-toad]

I have HRE 11" wheels on the Mach1 and I'll take a pic.
-1.5" of rear camber is nothing. it should be the standard setup.

I'd say its about 7mm poke.

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[Rapid_RedGT]

I would go with the 305/30 in the rear
Stock 255/40/19 are 27" tall.
305/30/20 are 27.2" tall.
305/35/20 are 28.4" tall.
EDITEDIT: I just looked and the performance pack rear wheels are 275/40/19 which are 27.7" tall.
I wonder if the speedometers are calibrated differently between the GT and GT PP. This also begs the question, is it better to go 35 or 30 if you don't have PP or do have PP?

With the 35s your speedometer will definitely be off. however @VELGEN WHEELS just posted a bunch with the 35s in the rear and they look and I'm sure perform fine. Just not what I would do personally

I have 305/35 20 on the rear, and 275/35 20 on the front. I can confirm my speedo is about 1 to 2 miles faster now. ie I'm going 55mph, and I'm really going 57mph.

 

[DrkHorseStoic]

325/30/20 might just be a bit to wide and have some poke. we ran 20x11.5 with a 315/30/20 on a dark horse with handling pack and lowered on steeda springs

Is it possible to get the alignment specs??

 

[Sofa King]

Is it possible to get the alignment specs??

They are in the manual...

 

[MRRDesignWheels]

just FYI, I understand the specs and how sometimes its that tiny bit to make things perfect for certain clients and I do have a very simple and easy solution which im sure vibe will help you with.
your 20x11 50et can easily be properly shaved by a CNC by 3mm max meaning you can make your 50et rear wheel into a 53et or 52 or 52.5 or 51 as long as you stay with in 3mm from your original off set.

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