Blue Ocean

So I just switched out my 17" cup wheels (7 and 9) for 18" Carrera III's (8 and 10).
I was still at the SUV height, but now it looks and feels like I'm at monster truck height!

Hopefully I'll be able to get the new HD's and springs on in the next week or two.

I'm a little confused about the offset on front wheels. The back of the wheels say ET 37 but outside by the valve stem is stamped 57.
Isn't the stamp on the valve stem the wheel bed width and offset?





This pic really makes it look hight!!!

pcar964

wow, that thing must handle like a chevy tahoe.

993Maineiac

Look at the bright side-no difficulty going through the deep water with the spring rains in the Lone Star.

RallyJon

Great shot showing the rear offset and fender clearance issue. Be careful how much you lower.

trickydisco

whoa!

obchuck

Paris-Dakar here you come!!! Looks Great - 959 Paris Dakar's got nothin' on you!!!

Blue Ocean

A chevy tahoe on rails!

Anyone know where I can get running boards

Blue Ocean

No fender clearance issue here. I can stick my fist in there!

I plan of going to RoW standard or maybe a little lower if I can.

ZombiePorsche44

If you enter the Paris/Dakar I'd be willing to co-drive............LOL

Get the suspension done and you will be most pleased with the results............ZP44

SJB993

This raises a question I've often wondered about ......

No matter whether you have 17" or 18" wheels, shouldn't the outside diameter of the tyre be the same for both wheel sizes? Surely it has to be this way so that the speedo readings aren't affected.

RallyJon

Yes, pretty much. For years Porsches came with 25" tires. 205/50-17, 225/45-17, 255/40-17, 225/40-18, 265/35-18, 285/30-18 are all within a tenth or two of 25".

On the newer cars, they seem to have shifted towards 26". Have to accomodate those high-fashion big wheels somehow and you really shouldn't go below a 3.5" sidewall on the street.

SJB993

Thanks for putting me straight RallyJohn.

97_993C2

I believe the answer is yes, at least as close as possible - that's the rationale for the +1 upgrade sizing(?). Aren't the "standard" NB offsets 52(f) and 65(r)? Jeff, are you sure there won't be any rubbing during suspension travel once you lower it? I'm sure this has been discussed before. Nice wheels BTW. I was thinking about getting a set of '02 996 5-spokes that look very similar to the III's myself.

Dan

Blue Ocean

Hey Dan,
It's pretty tight in there right now. I took if for a test drive before I decided to leave them on. Drove it to work this morning and didn't seem to have any issues.
I do plan on adding 5-7mm spacers on the front to be safe.

Bill Verburg

Not seem to but have

I got it straight from a factory chassis engineer. The 997 is the first change ever from the first 911 tire height of ~25"

Why?, they can run more power and torque w/ more precise control of individual wheel speeds through the chassis w/ the taller tires.

They compensated w/ gearing.

Blue Ocean
I don't have any data on those wheels, What are the o/s's by the valve stems? & widths?

Every time I see you sig I think of these guys