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914World.com _ 914World Garage _ quick wheel question

Posted by: trekkor Oct 23 2004, 01:46 PM

what is the *correct* backspacing for the four lug that will allow the use of a 205/50/15 without rolling the rear fender lips?

or what are the ones that will work?

KT

Posted by: Aaron Cox Oct 23 2004, 05:20 PM

http://members.rennlist.org/911pcars/WheelWts.html

Posted by: trekkor Oct 24 2004, 11:30 AM

The chart didn't help. Thanks, anyway.
I think it's for *real* Porsches, with five bolts.

KT

Posted by: Demick Oct 24 2004, 12:51 PM

Correct backspace is about 120mm +- 5mm (4 bolt or 5 bolt). But a little more backspace is helpful when trying to fit 7" wheels.

Demick

Posted by: trekkor Oct 24 2004, 12:59 PM

So, just a hair over 4.5 inches?

I have access to some aluminum rims that are 4-4.125 inches . They'll rub, huh?

KT

Posted by: Demick Oct 24 2004, 01:48 PM

Actually closer to 4.75"

4.125" is VW bug territory. The infamous Riviera's mostly have a 4" backspace. You won't fit a 205 tire on those without some fender pulling (and then some).

Demick

Posted by: Aaron Cox Oct 24 2004, 01:48 PM

QUOTE(trekkor @ Oct 24 2004, 11:59 AM)

So, just a hair over 4.5 inches?

I have access to some aluminum rims that are 4-4.125 inches . They'll rub, huh?

KT

get a 1/4 inch spacer - DONE

Posted by: Demick Oct 24 2004, 06:38 PM

QUOTE(acox914 @ Oct 24 2004, 11:48 AM)

get a 1/4 inch spacer - DONE

Spacers are the equivalent of even less backspace, so it will make the fit even worse.

Demick

Posted by: Aaron Cox Oct 24 2004, 07:12 PM

QUOTE(Demick @ Oct 24 2004, 05:38 PM)

QUOTE(acox914 @ Oct 24 2004, 11:48 AM)

get a 1/4 inch spacer - DONE

Spacers are the equivalent of even less backspace, so it will make the fit even worse.

Demick

oh, i thought he meant they's rub his inside wheelwell....