Hello All,

This would be my first post on rennlist. Which makes sense, cause I just picked up my first porsched. A speed yellow 993.

Anyway. I was wondering if anyone had braved the waters with a 19" wheel on a 993 and could attest to ride quality (lack there of), fit, etc? I'm looking at a 19" Cargraphic racing wheel.

Scott

 

Lots of discussion on this topic, do a search.

 

Welcome to the dark side.

Plenty of info on this in the archives, as Pedro mentioned. Searching on "19 inch wheels" yields these, among others:

https://rennlist.com/forums/993-forum/193320-19-wheels-on-c4s.html
https://rennlist.com/forums/993-forum/179922-19-s.html

 

Welcome to Rennlist!

19" wheels and tires are heavier and harder to spin. Rotating mass is the place where you want to save the most weight. The 19" wheels look cool but they may degrade the ride because of the shorter sidewalls. Also, at this point, there are not as many tire choices.

 

I'm going to only go to 18" myself -- bigger is not ALWAYS better. Just my $0.02.

Scott

 

you know what they say about big wheels... :-)

 

You know what they say about guys that own Porsches too.

I've got an MCoupe that's designated for track and autocross weekends, so I'm just having fun with the Porsche. I agree there are certainly issues with a set-up that large... but honestly I just love the way it looks. I'm going to finish the centers in silver and the barrels in gloss black.

 

What year 993 did you get? There are definitely issues with larger wheels on the 95s. If you plan to AutoX you really need to do a search for wheels and autocrossing. You are putting a lot of unsprung weight and mass down there.

On the other hand-welcome to the 993 clan. Tell us more about your car and post some pics.

Al

 

Cool, another SY 993 here Welcome and congrats!! Where are you located?

 

Scott,

Congratulations on your purchase and I love that color. I think Mark's comments are spot on. I also remember a comment from Viken that the 993 was not designed to take 18" wheels. So 19" would seem even more problematic. In answer to a post of mine earlier this year where I was considering going from 17" to 18" a number of Rennlisters advised that they were not happy with their 18" change and had gone back to 17" As to looks, quite a few Rennlisters think that 17" wheels look terrible. I just do not see that with my lowered sports Porsche suspension. But taste is so individual. Here are some of my favourite quotes on the general subject of the reduction in tire profiles and increasing wheel diameters which you may wish to think about.

Some would disagree on the performance merits of 18" over 17" and the resultant decrease in tire profile. Barry Lake, writing for the Australian magazine Motor some years back (I am not exactly sure but I am guessing circa December 1998) discussed the trend to increasing wheel diameters and lower tire profiles with Yoshihiko Ichikawa the then technical manager for Bridgestone Motorsport UK and the design team leader of Bridgestone tires for the Honda NS-X, and Kazuo Shimizu a Japanese rally and touring car champion with 2000 plus laps around the Nurburgring testing tyres. Here are some of their opinions:

* Ichikawa and Shimizu believed that the trend to lower tire profiles in expensive performance cars was driven by fashion.

* Ichikawa was of the view that if F1 regulations allowed freedom of size that the desire would be for tires that were wide and tall to gain maximum footprint and therefore grip, but that a compromise would have to be found as this would create problems with aerodynamic drag. The only reason he saw for having a larger diameter wheel and hence lower tire profiles was to fit larger brakes inside the wheel.

* Ichikawa believed that the ideal tire profile for road cars was 50 to 60 series, and that once you get to 40, 35 and 30 series you have to “throw away all the sidewall stiffness to get reasonable ride”. Shimizu agreed saying that the then latest ultra-low profile tires had so little sidewall stiffness that cars moved all over the place at high cornering speed.

All the best,

 

Do as you wish, at the end it is your car, your taste. welcome to the board and drive her often and drive her hard......

 

Thanks for the warm welcome everyone.

A few details about the car. 95, Speed Yellow on Black. The only know modification is a Strauss chip. It was a one owner car in very good condition with 70,100k on the clock.

I bought it because the SoCal roads were eating my MCoupe alive. And I'm trying to hang onto it. Oh, and I've always loved the 993 (esp. yellow).

I did end up buying the Cargraphic wheels. I can't really say it was for any other reason than "fashion". Which is rare for me to say. However, I figured I could try them out, then just sell them if I don't like them.

Anyway, attached are some shots of the ride home from picking the car up. And the finish I'm putting on the wheels.

Cheers.

 

I think 95's needed some sort of a steering part in order to handle 18" wheels. Im sure the same would apply for 19's. Also - I remember hearing that people "sometimes" have back window blowouts with a harsh suspension. Dont know if thats true...

 

Welcome to the speed yellow club. Membership
very limited.

 

'95 cars need a steering rack brace. PN# for brace: 993-347-131-02

PN# for bolts (need two): 999-218-103-09

Takes 15 minutes to install, including dropping the front pan.