onionpatchkid

I'll probably get booed by everyone but I can't stand the look of the phone dial wheels on my new 928 so I want to put something fresh on there. Does anyone know the wheel size ranges for both the front wheels and the back wheels that I can shop for? I don't want to have to do any adapting to the car to make it work. I want to make it easy to install the new wheels. Any suggestions? Is 17" all that will fit? How wide can I go in the rear? Thanks!

Mrmerlin

read through this thread you will see whats available.

https://rennlist.com/forums/928-foru...l+wheel+thread

Zirconocene

I found the following link somewhere on the thread that Mr. Merlin recommends, it's pretty comprehensive: LINK

That said, it's not totally comprehensive and there are some details that I found were not in the table.

Wisconsin Joe

#1 - Wheels are a very subjective & personal choice. No 'right' or 'wrong' as far as style or size (within certain limits). If you don't like the Phone Dials, that's your choice.

#2 - Wheels are probably the 'most easily reversible' mod there is. Jack the car up, 20 lug nuts and swap them. It's not like cutting 'gills' into the sides of the fenders or NACA ducts that act as vents not intakes.

Lots of people like bigger wheels. 17" & 18" have much better and wider tire choices. Some even go with 19". Personally, I think the super big wheels with 'rubber bands' for tires look stupid. Others have different opinions. The bigger the tire, the shorter the sidewall, the worse the ride and the higher susceptibility to damage.
Overall tire & wheel height is important. If you go with bigger wheels, you need shorter sidewalls to keep the overall height the same (Captain Obvious, at your service).

The biggest issue with different wheels is the offset. You want above ET60 on the fronts, although some go as low as ET50. There are good reasons for this.
Not a lot of wheels meet that requirement. Most 911 wheels won't.

Panamera take-offs are close enough, common (read: cheap) and many like the looks.

How wide you can go on the back is a common subject, and there's a fairly wide variety of opinions (insert 'rimshot' audio clip here).
Spend a bit of time searching around, or just page back through the forum.

A couple recent threads that might be informative:

https://rennlist.com/forums/928-foru...ut-wheels.html

https://rennlist.com/forums/928-foru...ght-quiet.html

onionpatchkid

What an awesome reply! Thank you so much for taking the time. The link is perfect and that research must have taken quite a bit to put together. I thought I would take a bashing on this question but I didn't. I love these cars and so many people want to keep them all original but I'm more into taking those awesome bones and remodeling it into the 21st Century. The wheels and stereo need updating. I always add blue tooth, a good alarm system, and keyless entry too.

onionpatchkid

That's a great link. Thank you!

Wisconsin Joe

Well, one of the reasons all that research has been done is that changing wheels is a pretty common question.

The wingnuts, weirdos & miscreants on here do a lot of things to these cars.

Some of the purists complain, but the reality is that these are not super rare cars. If someone wants to LS swap, or other mods like that, it's their car, their choice. Many of us are just happy to see the car stay on the road (although a sad number of those sorts of projects never see the road again).

You said it came with Phone Dials, what year is it?

Stereos aren't all that big of a deal, although the original alternator may be a bit inadequate, depending on how much power the stereo uses.

Factory alarm is pretty good. Loud horns, engine disabler.

Getting an aftermarket alarm installed correctly (without screwing up the wiring too much) can be a challenge.

Keyless entry is even more challenging. Lots of folks have tried it, not a lot have had real success.

The Forgotten On

I always upgrade the stereo with fresh wiring and leave the factory stuff alone. It's fairly thin and cant handle enough power for my tastes in amps.

Plus Bluetooth is great as mentioned above. Swapping in a new head unit can really give new life to the system with the stock speakers if you don't want to go full custom.

Just be sure that when you do something that it can be reversed if your tastes change at a later date. You never want to do a mod and regret it.

onionpatchkid

It's a 1978 Euro model. It's my 4th and I'm not the traditional 928 owner that has to keep everything original. I update them with taste in a conservative way. I like to have a nice sound system, catchy wheels (that's the 1st thing that everyone looks at anyways), Bluetooth, alarm, and keyless entry. I've had good luck with the keyless entry. The guy I've used is really good. I am conscious about keeping all original parts that I remove and making it so they can go back in for the next guy. I just want to help keep these awesome cars on the road. I love driving them and watching everyone stare at them. It's cool having a car that makes you a wolf and not just another sheep on the road.

Wisconsin Joe

A 78?

Oh my.

Keyless is going to be a bit of a challenge.

I don't think anyone's pulled it off before.

Are you aware of the details of the lock operation in it?

onionpatchkid

I did it on the 1979. Is the 1978 Euro different?

Wisconsin Joe

I think the 78 is vacuum operated.

I could be wrong on that, not super up to speed on the OBs

onionpatchkid

The 79 is vacuum operated as well. The installer put on a mechanical plunger pull arm on each door that works with the remote. It works well. The vacuum system works as well. I did have to take it back after install because the plunger wouldn't always lock the passenger side but he adjusted the pull arm and fixed it. It's been two years now and it's still working. I lock the car everywhere I go.

Wisconsin Joe

Fair enough. You (and your guy) have done better than most.

Please note that I'm not trying to rip on you.

It's just that there are a lot of people who come on here with 'delusions of grandeur', with big plans for all sorts of 'upgrades'.
Many of which have been tried for some time with little or no success, by folks who know these cars well.

onionpatchkid

The guys name is Steve and he owns Cave Audio in Oregon. He's not a 928 Guru but he's really smart. I'm not sure what controller he used but it works great. I'm not on here a lot so I don't know about all the other stories of grandeur. But being an electrician for 24 years has made me a realist. There usually is a way though to do things and make it work. Just depends on your initiative and the size of your wallet.