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    Results 1 to 3 of 3
    1. #1
      Join Date
      Dec 2005
      Location
      United Kingdom
      Posts
      25

      Wheel fitment on my Cutlass

      I'm looking at an 18"/20" combo on my 79 Cutty, and I also want to run airride.

      Will a 8x20 rim, with a 255/30x20 tire on 4.5" backspace actually tuck inside my rear arch when I drop the car without fouling?

      Alternatively, I may go with an 18x8, with 255/30x18 on 4.5" bs, would this be any better?

      Many thanks in advance!

      1979 Oldsmobile Cutlass Supreme

      Proposed mods; supercharged 350cu in Chevy, 18"/20" Billet rims, rear disc conversion, stripped interior, Dakota Digital guages.


    2. #2
      Join Date
      Aug 2004
      Location
      Rolla, MO.
      Posts
      298
      It should fit Dan....I ran a 16x8 with 4.5" backspace and 255/50/16's for years and they would've tucked in the wheel well....I'm currently running 18x10 with 5" backspace and a 275/35/18 and haven't had any problems but they wouldn't go very far up in the wheel well without some mods lol
      Matt
      1980 Malibu, off the jackstands.....let's see if a T-56 will last longer than a TH-700R4

    3. #3
      Join Date
      Dec 2005
      Location
      United Kingdom
      Posts
      25
      Thanks Rat!
      1979 Oldsmobile Cutlass Supreme

      Proposed mods; supercharged 350cu in Chevy, 18"/20" Billet rims, rear disc conversion, stripped interior, Dakota Digital guages.


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