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Wheel Fitment Question

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Old 05-06-2015, 10:40 PM
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Mar48
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Default Wheel Fitment Question

Quick question - have an old set of 3 piece rims that came off my friends 1978 928. I was wondering what year/model 928's they would work on.

Wheels sizes are 17x8.5 + 46 and 17x9.5 +45.

Thanks in advance!

Last edited by Mar48; 05-08-2015 at 05:22 PM.
Old 05-07-2015, 12:13 PM
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AO
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Well, technically, they will fit on all years. But those fronts are a problem for ANY year. If they worked for him, they would work for you/other.

The front offset with the 8.5" width should poke out a bit and likely rub. Perhaps with an aggressive camber setting maybe they'd be okay, but those dimensions don't work in my book/calculator.
Old 05-07-2015, 12:22 PM
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Those front wheels will look great if this is the look you are going for:




Old 05-07-2015, 01:29 PM
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Nice, would they work better on a 944? I'll ask him what his camber settings were, I don't remember him having any issue with them.

He did run 225/45/17s up front and 255/40/17s in back
Old 05-07-2015, 01:46 PM
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Originally Posted by AO
Well, technically, they will fit on all years. But those fronts are a problem for ANY year. If they worked for him, they would work for you/other.

The front offset with the 8.5" width should poke out a bit and likely rub. Perhaps with an aggressive camber setting maybe they'd be okay, but those dimensions don't work in my book/calculator.
+1 on what Andrew says.

A 225 section with a 52 offset works in the sense that it just fits but it totally kills the NSR designed into the steering geometry- as for those wheels on the front I think Hacker sums it up very nicely.

Not so sure I would want to run a 225 tyre on an 8.5 inch rim section either but that is another matter.

Basically you have 4 rear wheels there!

Rgds

Fred
Old 05-07-2015, 01:57 PM
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AO
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Originally Posted by Mar48
Nice, would they work better on a 944? I'll ask him what his camber settings were, I don't remember him having any issue with them.

He did run 225/45/17s up front and 255/40/17s in back
I have no knowledge of 944 wheel fitment except that the bolt pattern is the same.
Old 05-08-2015, 05:25 PM
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Found out my buddy's 928 was actually a 1978, does that change anything? He ran them cross country with no issues, no rubbing, and he said he didn't adjust the camber setting either. They appeared flush.

Now they are very old 3 piece rims (from Germany), so I'm thinking maybe someone changed the lip sizes on them a longgg time ago before my buddy had them.



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