The Clown is Back: Progress thread
I'm running 235/40/18's Squared, see Sig. I originally had Style 135's with 245's and 255's with 18.5" ET50 rims. I did some Offset calculations changing from the 18.5" Style 135's. This might help you decide.
•ZHP RIMS
Style 135- 18x8.5's
Overall Diameter-19.56"(497mm)
Overall Width-9.38" (238mm)
Backspacing-6.69" (170mm)
Offset-2.01" (51mm)
Weight-28.20 lbs. (12.79kg)
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Spacers:
5mm .20 inch
10mm .40 inch
12.5mm .50 inch
15mm .60 inch
17.5mm .69 inch
20mm .79 inch
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18x8-ET 35= +8.7-21.4 In
18x8-ET 40= +3.7-16.4 In
18x8-ET 42= +1.7-14.4 In
18x8-ET 45= -1.3-11.4 In
18x8-ET 47= -3.3 - 9.3 In
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18x8.5 ET 30= +20-20 In
18x8.5 ET 33= +17-17 In
18x8.5 ET 35= +15-15 In
18x8.5 ET 38= +12-12 In
18x8.5 ET 40= +10-10 In
18x8.5 ET 45= +5-5 In
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Style 135's 18x8 ET47= -3.3-9.3
10mm Spacer= +7.3-19.3
12mm Spacer= +9.3-21.3
15mm Spacer= +12.3-24.3
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Tire Cost:
235/40-$165
245/40-$185
255/40-$200