U-928

I don't have my 928 readily available to do the appropriate measurements to see if they'll fit, so hoping someone may be able to help me out here.

I've come upon a set of nice wheels in my area that are :

Front -17x8.5 et 56
Rear - 17x9.0 et 50

It's an '82 OB with a conventional rear end, no rolled fenders, no factory spacers or long lug studs. I have access to a roller should that be necessary, though.

Is the front ET too low? And would i need to run spacers in the rear or would they fit as is?

Most of the searching I've found has been for 18's or wider wheels with different offsets.

Much appreciated, thanks!

AO

Assuming the bolt pattern is correct (5x130) the font's should fit fine without issue as long as you don't go over a 235 section tire. A 245 might fit, but it's very close.

As for the rears, I don't see any issues. You should have at least 1cm of clearance between the tire and the fender with a 275 tire.

If you do get them, I'd be interested in learning what you actually end up with for clearances.

FredR

I would say those dimensions can be fitted but it also depends as much on what rubber you want to run on them. I am not sure what offset your model year normally runs but presume it is the same as later models. This means you will lose a chunk of NSR from the steering geometry. I am of the opinion this is detrimental when pushing the car hard. You may also find the front wheel running a bit close to the fenderif taking advantage of the rim size and run something like a 245 up front- it may be tight.

Another thing often overlooked with wheels is that whereas the geometry may well appear fine you also need to consider whether the front bearing caps will be accomodated by the fitment and also whether the spokes will clear the calipers you intend to run with.

Regards

Fred

I

U-928

As it sits now, I'm running the stock 7-slots 16x7 w/ 225/50/16 all around, but the rears have aftermarket 31mm spacers to push the wheels out a little bit.


They are 5x130, and the center cap fitment shouldn't be an issue, due to the design of the wheels.

Thank you guys for the input.

AO

Using a 31mm space will not work. Your tire will stick out 2cm too far. You would need to find a 9" wheel with a ~65ET for it to fit with that spacer

U-928

I can ditch the spacer entirely, or get a different set if need-be. I only have them on there with the 7-slots.

MFranke

For 18s I would avoid 245/40 up front. There is a good chance they will rub.

U-928

The wheels in question are 17's.

AO

diameter has nothing to do with it... it's the section width. a 245 will (most likely) not fit (well).

The Forgotten On

245's will rub up front with Panamera 10 spokes which have a very similar offset. I have them on mine and I need to flare the fronts about 1.5 cm to fit them well. They only rub when going over a dip about 10 MPh or going around a corner quickly.
Go for 235 up front.

MFranke

I have 235s on my Panamera wheels. They don't appear to rub on my car, but are very close. It is possible they could rub on some cars.

225 is the safest choice I think.

joejoe

I had this same set up on my '81. 235/45 in front on a 55 et was a bit twitchy and would tram line. The rear is fine with a 275/40 (1/4" clearance) 225 up front and there are no rubbing or tram lining.

Mrmerlin

front tire rubbing will also include factors such as factory ride height or lower being selected,
and tire aspect ratio,
NOTE the Pan tires use a higher ratio so the tire is much closer to the fender when used on a 928

Shawn Stanford

Okay, I'm going to jump into this with a question: I have an 82 with stock phone dials. I'd like to push the rears out, but I'm not sure what size spacer will work. I've spent a good hour last night digging through threads, and the best recommendation seemed to be 22mm, and someone posted a link to a 19mm Eibach spacer for early 928s. Jeremy is running a 31mm on his 82 with slots.

What's correct?

Stan, you changed your location. Are you 'move complete' now?

U-928

There is no "correct" its just a matter of how far out you want to push them. I assume you found this thread?