Quote:
Originally Posted by Ferrino
Thanks for those pics Jeremy. According to my calculations:
9" front at 5.5" backspace = ET+12.7. With 22mm spacer = ET-9
11" front at 5.375" backspace = ET-15.8. With 18mm spacer = ET-33
Those values are closer to the backspacing of the original RSR 15x9/15x11 wheels (4 7/8" from my notes).
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I have [17's] 9's and 11's
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey
Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2
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