experienced wheel tech question

[89Vette]

I think WormGod's wheels are 18x8.5" with 0 offset, right Gary?

And, he has 285/60-18 tires that required trimming to fit.

Look at his gallery to get an idea of appearance.

Also,,,,use tirerack's tire search feature to see what tires fit with which wheels, what their width should be, and overall diameter.

Stock diameter is about 29.75" from what I can tell. I think they're 38mm offset too.

Wheel/tire combos I've seen recommended online usually land in the 18-20mm offset range. Past that's probably where you gotta start trimming -- especially if the diameter is bigger. Or,,,maybe their is more than one offset for that size.

Edit: I just looked up KMC Rockstar. eBay had the 1st set of 18x9 with 6 x 5.5 pattern. That auction says the offset is 35mm (not 12mm). So, they match up fairly close to the stock config. If anywhere clearance on the inside would be in question (IMO).

[etlsport]

there are different offsets of the rockstar.. the 35mm is the one rickshaw has on his VX (5.71" backspacing)

[Riff Raff]

there are different offsets of the rockstar.. the 35mm is the one rickshaw has on his VX (5.71" backspacing)

DJVX--- I highly recommend the KMC "XD-Series" RockStar in 20x8.5 (yes, 20" rims) with +10mm offset and 5.14" (35mm) backspacing with 108mm center bore opening on 6/5.5 bolt pattern (KMC Part #77528560310-Black). The 8.5" narrow rim, combined with the near factory 35mm backspacing will help minimize rubbing issues within the front wheel-well opening. Plus, the 20" rim will give your VX a very radical look for the Summer. These specific wheels are available at www.WestkyCustoms.com and sell for $239 each (ouch).

Then, you can start dreaming about what 20" diameter tires you may want to fit on your VX for the Summer. Heck, it's only money.

EDIT: Possible Tire Size Choices in 20" Rim Size:
295/50R20 (31.6" O.D.) = this is a very rare size with only a small handful of choices. My personal favorite is the General - Grabber "UHP".
285/50R20 (31.3" O.D.) = this size is nearly identical to the common 285/60R18 for VX's, except made for 20" rims. There are countless tires available in the very popular 285/50R20 size with many radical cool-looking V-Tread directional tread patterns. Visit: www.Tires-Easy.com