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Arrgh Matey!
 
chesireIsugaree's Avatar
 
Join Date: Oct 2008
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Tech / Math Dudes: Running 928 wheels on my 930

I have some Fikse forged 17's that came from a 928- and I want to install them on my 930. They lock up against the front strut when installed.... All my 928 rims do this [ i have a few sets]

I tried spacers that bring the wheel out, but it doesn't help.... just lessens the rub. Is it not feasible to do what I'm saying- or can I put 928 brembos and hubs on? Forgive my ignorance- I spend my time with the 928 mostly- the 930 is a dream coming true...painfully slowly.
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Mason
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Old 02-22-2010, 11:56 AM
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Get in contact with Bill Verburgh here on the board. Pretty sure he can answer your question but he hangs on the 911 board.
Old 02-22-2010, 01:11 PM
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I doubt you can swap hubs with a 928.

Sounds like you need more spacer than what you tried. Was it the flat spacer type or the one that bolts on and has studs to bolt the wheel on? If you have stock studs, the latter will space it more.
Old 02-22-2010, 05:55 PM
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Here's a spacer question: how big of a spacer can you run before it starts to get unsafe?

The spacer effectively increases the lever arm effect of the wheel/rim on the suspension, correct? So greater forces are imparted on the wheel bearings, suspension, etc. Those parts will wear out faster and potentially fail sooner. So, realizing that there's no right answer to this question, how much of a spacer can you run before it starts getting dangerous? I see spacers advertised from under an inch, up to about 3 inches (which obviously have wheel studs protruding from them). I'm ignoring the safety issue of having 5 lugs/nuts hidden from view once you've mounted a wheel over the thick spacers with integrated studs.
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Old 02-22-2010, 10:50 PM
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I fitted former 928 OZ (Strosek) wheels on my 930, they fitted without any spacer, but aren't stock dimensions:

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Roland

930 Turbo '81 Too many modifications to list
Old 02-23-2010, 12:35 AM
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chesireIsugaree's Avatar
 
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I tried the bolt on spacer with integral studs- and had to add another (25mm?) spacer from the rear of the 928 (stock) to get the front wheels to clear the shocks (still touched though), but at that point we're rubbing the fender lip. I can't see running the 928 offsets without geometry change.... love to hear from an expert here. The Fikse wheels fit in the rear just perfectly... I may have to find matching fronts of the proper offset...
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Old 02-23-2010, 07:17 AM
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Offset doesn't matter for geometry, if wheels have the same dimensions and track width

However, my car feels very nice and stance is looking good:

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930 Turbo '81 Too many modifications to list
Old 02-23-2010, 07:54 AM
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As a Fikse Porsche specialist dealer, I would suggest you sell the current wheels and have a new set built to fit properly. You will have a proper set of wheels including width and offset and you may be surprised at the cost difference.

If you are interested, drop me a line either via PM or email.

Cheers
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Old 02-23-2010, 05:35 PM
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Quote:
Originally Posted by Jeff Alton View Post
As a Fikse Porsche specialist dealer, I would suggest you sell the current wheels and have a new set built to fit properly. You will have a proper set of wheels including width and offset and you may be surprised at the cost difference.

If you are interested, drop me a line either via PM or email.

Cheers
I need to post photos and get a price for the fronts only... I can't do all 4 at this time.
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Old 02-25-2010, 09:46 AM
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