New wheels, how do YOU check for clearance?

[rbogh901]

In the past I have looked at what others have mounted and this is a good guide. This time I'd like to test fit some wheels and check clearance through the range of suspension travel with the car stationary rather than mount the tires and drive around to see what happens. How can I compress the shocks to see?

Links appreciated.

[rbogh901]

Just drive around for 2 weeks and look for marks or listen for sounds?

[pavulon]

2 or 3 fat friends willing to sit on each side and/or on the sill should approximate full tilt.

[Ruflife]

Just got done doing this. Wheel doesn't matter as much as the tire does. Different mfg's of the same size tire always are different sizes. If you tell us what size tire and wheel combo you want, someone here has more than likely done it. I'm running a 19x10, E.T. 52 with an hankook ventus v12 and though close on the inboard side to the trailing arm, it does not rub anywhere.

[rbogh901]

19's? Is it a 993? I have a cobalt blue 964, it's in my signature line. No photos right now but it looks like the one below.

2 or 3 fat friends sounds like a good idea but I don't know how you see the oil line or anything else once they hop on.

[rbogh901]

What I want to avoid is driving around going through compressions listening and then removing the wheels looking for rub spots. Is that what everyone is doing?

[Traveller]

Originally Posted by rbogh901

What I want to avoid is driving around going through compressions listening and then removing the wheels looking for rub spots. Is that what everyone is doing?

I doubt it. Most just listen to the masses and hope.

Here are a few pics of tire rub, which according to the "experts" on another Porsche forum does not happen when using the wheel and tire sizes recommended.

[pavulon]

Originally Posted by rbogh901

19's? Is it a 993? I have a cobalt blue 964, it's in my signature line. No photos right now but it looks like the one below.

2 or 3 fat friends sounds like a good idea but I don't know how you see the oil line or anything else once they hop on.

car lift and/or wet, water soluble paint on tires before the friends pile in?

[rbogh901]

paint on the tires? that's one I hadn't considered.

actually, it's easy to fit wheels and tires if you are conservative. going to a larger footprint and lowered suspension makes it more a challenge. that's where 5mm this way or that makes all the difference.

[Bill Verburg]

[rbogh901]

yep, that's a good fit.

here's a partial solution for checking wheel size.

[Newsboy]

You also\want to make sure that the right rear is not coming in contact with the oil line. If you can't get a finger between the two, you might want to get some 5mm wheel spacers.