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Old 04-29-2013, 12:35 PM   #10

flht99b's Avatar
Drives: 2010 Camaro 2SS/RS RJT
Join Date: May 2009
Location: Knoxville
Posts: 1,368
Actually the ZL-1 and 1LE offsets are as follows:
20x10 fronts offset +23mm ( this will clear OEM struts with a 285/35/20 tire ) If you have some coil overs you can move the wheel/tire assembly inboard a bit with more positive offset such as +30mm
20x11 rears offset +43mm
GM picked these sizes and offsets so that the front and rear track would be the same on the ZL-1 and 1LE.
If you put a front 20x10 with +23mm offset ZL-1/1LE wheel on the rear the wheel will stick out .3" more than the 20x11 +43mm offset wheel on the rear. Pretty aggressive.
Ed M.
RJT 2SS/RS, AAM 3.70's, MTI Sway Bars, Shifter & SS brake lines, ZLI calipers & rotors, BMR Trailing & Toe Arms, full rear cradle & diff bushings, Pedders XA's, Camber/Toe eccentrics, Radius arm inserts, ZL1 Brembo Brake pads, GTO clutch reservoir, LS9 cam, Comp Cam valve springs, Melling 10296 oil pump, CR 5 timing chain, LS2 damper, CAI Cold Air Induction, ARH LT headers w/HF cats, GMPP touring axle back, Elite Engineering Catch Can, Forgeline 20x9.5 & 20x11 DS3 wheels w/Vredestein 275/40/20 & 315/35/20 tires, '11 Convertible spoiler, Lloyd "SS" Floor Mats, GM Camaro Trunk Mat
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