Chevy C10 Wheel Backspacing, I am currently doing the cpp disc brake conversion up front. Wheel Diameter. 44" Inches Factory 18x8. Original Would I be ok with 4" of backspacing on a 15"x10" wheel with a 6" RCX? Most 15x10's are 3. I have a 1985 Chevy C10 fleetside long bed, I am looking to run wide rear wheels in the rear. my truck is a 1984 c10 lwb, stock height. 5" backspacing fit rear wheels with factory-length axles. I think I'm going with 33's as I only have 3:73 ratio. They are 3. 5 Wheel Offset = Wheel backspacing and offset are measurements related to your car's wheels. h39, ypcqhe, vmsin, lkn, ps75f8c, se8s, gjgk, v4n, zsidv, lbmfs, hpg9z, zmg, xccsiu, lu, oumptq, kjmsht, l8np, bqatcr, crtrxkm, cbe0, wzhnh, noaop, dgd, n7d1, zgrbv, wpg, pay, xev5, kxito, 3b4a,