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Originally Posted by flat
One small problem with your offset to backspacing calculation:
"offset=backspacing-centerline"
The nominal width of a rim is from the mounting bead to mounting bead. So on a 8.5"J rim, if you actually measured it with a tape you'd see that it'll probably by about 9.25-9.5" in width. There is a lip on wheels that is not included in width dimensions of wheel, and it varies with wheel manufacturers. Typically, experience tells me that the lip is about 3/8" to 1/2" per side of wheel.
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Thats why I add 12.7mm. What Lanner seems right, I'm a bit tired now to compare, my stuff is all metric. But yea I'd listen to him more so than trust me, I didn't even know about strut clearance issues.
And oicdn you are braver than me, especially with a daily driver.
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Originally Posted by oicdn
Honestly, the reason I chose these wide wheels (other than looks and the contact patch) I kinda took to heart what that post said about "Hopefully "German look" doesn't turn out like Cal-look did....same set-ups, just different paintjobs..."...Seems like the tyical Porsche rims are already becoming common, twists, cups, Fuchs, Cookie Cutters.....gotta break that cycle.
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That's why I went Rx7 brakes and 5Zigens. I don't think Germanlook means porsche, but rather the idea of improving these beloved cars with modern performance. Not to say porsche doesn't have it's roots, they go hand in hand, but not nessicarily a requirement. I'm still waiting for someone to use Volks on ones of these cars
