Tire sizing, what size do I need for a 99 Boxster?

[psperan]

I'm looking a t a set of 19" wheels to put on my 99 Boxster and need a little help. The size on the car are the factory 17" wheels 205/50/17 Front and 255/40/17 rear with the factory width. The new wheels I'm looking at are 19x8 for the front and 19x10 for the rear both with a 50mm offset. What size tires would I need to purchase? Also would the tires stick out past the wheel wells with these rim widths and offset?

[Ghostrider 310]

With 98 & 99 models using 19" was discouraged, later models had more reinforcement, hence the usage. I have read about people using 19" on 98's without issue, maybe Mr. Danger will assist you, he's like the guru of offsets and fitments, many famous people have sought his council...

[jcb986]

I wear 8 1/2 B width.

[psperan]

Ghostrider - thanks for the info, hopefully Mr Danger will chime in

JCB - Looks good!!! I want a look that fills up the entire wheel well and is flush with the car which looks like you achieved.

[shadrach74]

Originally Posted by psperan

Ghostrider - thanks for the info, hopefully Mr Danger will chime in

JCB - Looks good!!! I want a look that fills up the entire wheel well and is flush with the car which looks like you achieved.

I personally think that tires that would work on the rims you've specified are too big and would present too much rolling mass for a 200hp engine. Your car may look better with fatter/larger OD wheels and tires, but I think it will drive worse...and I don't mean in a subjective sort of way; I mean in a measured, performance by numbers kind of way.

[Ghostrider 310]

shadrach the mind reader, I was thinking the same thing. If you are going for a look IMO, it would be better to make the wheel wells look fuller with a PSS9 suspension which will lower the car a bit. That way, you get the look and sharper handling.

[jcb986]

Originally Posted by psperan

Ghostrider - thanks for the info, hopefully Mr Danger will chime in

JCB - Looks good!!! I want a look that fills up the entire wheel well and is flush with the car which looks like you achieved.

They are the stock 18" Turbos that came with they car. Now mine is an S model with the sport suspension...not sure if they will clear the fender so somebody will need to ring on what they have purchased for their base models.

[pk2]

18's worked perfect for me, think 9.5" in back with plenty of room for 25mm spacers to. Any bigger I thing I' be loosing fillings.

Regards, PK

[b-raddetail]

On my old 98 I used to run 235/35/19 front and 265/30/19 rear. No problems at all.

[shadrach74]

Originally Posted by Ghostrider 310

shadrach the mind reader, I was thinking the same thing. If you are going for a look IMO, it would be better to make the wheel wells look fuller with a PSS9 suspension which will lower the car a bit. That way, you get the look and sharper handling.

Great minds think alike...

[More]

I have a set of 19" on my 1998 and they look and feel perfect.



You can buy them here...

19 inch Aftermarket Porsche Boxster / 911 Wheels on eBay!