[drjr1763]

Does anyone know what the offset this guy uses for these? Maybe F-body fitment or custom? I have only found the wheel and tire size.

 

[aitch]

.......... I have only found the wheel and tire size. View attachment 374033

Would you care to share that information for the readers? I'll not speculate about the offset, but the front end negative camber certainly isn't a factory setting.

 

[drjr1763]

Car Feature: Sonoma Savior

Brad Smith’s GMC Sonoma takes the V8-swap S-series theme down a road less traveled.

gm-efi.com

 

[aitch]

Car Feature: Sonoma Savior

Brad Smith’s GMC Sonoma takes the V8-swap S-series theme down a road less traveled.

gm-efi.com

Maybe you could contact the article's author and/ or the Sonoma's builder for a definitive answer for the offset and any other pertinent running gear information.

 

[sikbrik]

Looks like a similar setup to this one:

http://instagr.am/p/CN95STrASjV/
I'm sure you could track one of these guys down at an event or even online.

 

[Rhotpursuit]

Would you care to share that information for the readers? I'll not speculate about the offset, but the front end negative camber certainly isn't a factory setting.

I think that's a bit of an optical illusion. It looks like the wheels are turned a little bit.

 

[aitch]

I think that's a bit of an optical illusion. It looks like the wheels are turned a little bit.

Yes, I noticed and considered that, but it still seemed a bit much even taking the slight turn into account. However, it's certainly possibility that my perception may need adjustment - it wouldn't be the first time!

 

[sikbrik]

The article details aftermarket control arms and the truck gets used for auto-x so it's a safe bet there's some.non-stock camber going on. What's not evident, even if we knew the offset, is what type of "clearancing" was done to fit 275s without rubbing. Stock inner fenders? Rolled lips?

I recently dropped the $90 to get the Speedway tire fitment tool so I could dial in wheel offset without spending too much on mistakes. Granted, I'm only running a 255/45-18 and 3.5" (theoretical) overall drop so there are a few safe options for me but I think at 275+ section width, you may want to measure directly on your own setup.

Here's the tool I'm talking about:
Wheel Fitment Tool for Tire Fit Testing Size Measuring Mockup

Good luck!! Send pics

 

[rentedmule]

275's clear with no modifications on a 2nd gen. They're probably stock f-body backspacing + 2.5", which is generally the spacer required to fit a 9 to 9.5" f-body or vette wheel on the front.

 

[chevymec]

All I know is that is a good looking setup!

 

[BTE]

I went through this last year. Good luck contacting the owner for his specs. It is futile anyway, since you won't have an identical suspension setup, so you take a big risk ordering wheels that may not fit. Go though the pain of measuring a million times to make sure the wheel you want fit your truck, trust me, it is worth the effort.
I'll share my specs because I'm a nice guy and I can't stand people who hoard information because they're afraid someone else might copy them (almost as much as I can't stand people who just want the answers provided for them). So take this with a grain of salt.
18x9.5 ET0. 275-35-18.

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Edit: Yes, it rubs slightly at full lock.

 

[TomA]

I have no help to offer, but that thing looks badass! That is one of the best looking wheel/tire setups I've ever seen.