Re: 17 inch wheels (Pre '97)

From: Bob Tom (tigers@bserv.com)
Date: Tue Apr 06 1999 - 20:54:56 EDT


>...I still need to figure out the exact specs as far as
>backspacing and offset (or is that the same thing) so I
>will know what I'm talking about when I go shopping...

Mike

If you laid a measuring stick on top of and across the
lips of the inner rim and then took another measuring
stick and measured the distance from the surface where
a mounting hole is to the measuring stick lying across the lip.
this distance is the backspacing of a rim.

The frontspace of the rim is the width of the rim
(for measuring purposes, the width is always 1" more
than the advertised width of the rim) minus the backspace.

The offset of a rim is the backspace minus 1/2 the rim's width
(don't forget the extra 1"). If the difference is a positive
number, it's called positive offset. If it's negative,
it's called negative offset. Negative offset give that
deep dish look to a rim.

I mentioned the above because, in all my experiences,
the sales personnel that I have met were not very knowledgeable.
Hope you have better luck than me.

I can't be specific for your needs because I don't know the backspacing
of the stock rim for pre-97 Daks nor what suspension components and
wheelwell limitations may cause clearance problems.

Hope this helps a bit. Good luck.

Bob
Burlington, Ontario

'97 CC Sport, 5.2L, 3.55, auto.



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