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-   -   Fuch 6/7 offset (http://forums.pelicanparts.com/porsche-911-technical-forum/148253-fuch-6-7-offset.html)

mtelliott 02-11-2004 10:22 AM

Fuch 6/7 offset
 
Can someone tell me the offset for 16" fuchs. I have the 6" front and 7" rears and I'm looking at fims with an offset of 52 mm so I want to know what size spacers I would need to factor into the cost of the new rims.

Thanks for your help. The fuchs are factory standard on a 82 SC.

Michael

KTL 02-11-2004 10:39 AM

16x6 Fuchs offset is +36mm

911/930 & 951 (looks like a 16x6 w/countersunk lug holes) 16x7 Fuchs offset is +23.3mm

mtelliott 02-11-2004 10:52 AM

Thank you very much.

Bill Verburg 02-11-2004 11:23 AM

Kevin is right, but there is a more complete list

here

mtelliott 02-11-2004 01:56 PM

So then, for 52mm offsets, I would need the following minimum spacers agreed?

Front: 52 - 36 = 16 mm =>> .63"
Back: 52 - 23.3 = 28.7 mm =>> 1.14"

Bill Verburg 02-11-2004 02:04 PM

Quote:

So then, for 52mm offsets, I would need the following minimum spacers agreed
Not exactly, the wheel width also is a factor.

If the +52mm wheel is also 6" wide yes, it needs a 16mm spacer but if the +52mm wheel is 7" wide then the correct o/s is ~+24mm which means it wants around a 28mm spacer.

mtelliott 02-11-2004 02:46 PM

You are correct in your assumption that the front is 7". How did you come about your formula to know how much more offset to add?

Bill Verburg 02-11-2004 02:51 PM

If you understand what o/s is everything else is simple arithmetic
http://www.pelicanparts.com/MotorCit...AQ-diagram.gif

mtelliott 02-11-2004 07:13 PM

Thank you so much. Excellent diagram.

mtelliott 02-14-2004 11:15 AM

Since my rear tire to be is 8" (currently 7"), then I would assume that I need a ~37 mm spacer? Don't have my calculator handy but that seems like a pretty big spacer for the rear. It's a street application but am I pushing the bounds.

Bill Verburg 02-14-2004 11:23 AM

Assuming the 8" wheel has the same +52mm o/s then you need a 41.4mm spacer in the back becaise correct o/s there for an 8 is 10.6mm. Yes, that is quite large:(


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