C4 Corvette IRS in 55-59

[Houston54]

I picked up an 89 C4 assembly at the Decatur swap meet last weekend to use on the 58 big window project next in line. It will be mounted using the Flat out Engineering bracket kit but I wanted to find someone who is using this suspension system to discuss rim issues such as back spacing, diameter and width.

I am not fond of tubbing the bed or making the fenders wider to fit fat meats under the truck so my tire width will be limited to 235 to 265. I also like to keep the same size rim/tire on all four corners as I use my trucks as drivers and rotate the rubber from time to time.

If you have or are using the C4 vette IRS on your truck please share your wheel/tire information so I can keep my lessons learned list a bit shorter.