Author Topic: Steering question (Read 2354 times)

littleboyblues · « **on:** November 29, 2010, 10:49:35 PM »

Does anyone know what the kind of steering difference removing the rubber disk in the section that connects the rack to the steering wheel. There's two u joins and a rubber disk. Guibo looking. That whole mecahnism in my car is sloppy and has to come out and i was wondering if i could just remove that disk and weld in a solid piece of metal.

Would this give more feel or would it just make the steering vibrate like mad?

Thanks

dsm2002 · « **Reply #1 on:** November 30, 2010, 12:10:50 AM »

Weld? No. The options are replacing the guibo or replacing it with a metal disc/guibo. It's important to make sure there is no slop in the unijoints.

romkasponka · « **Reply #2 on:** November 30, 2010, 03:03:36 AM »

Quote from: littleboyblues;99142

Would this give more feel or would it just make the steering vibrate like mad?

It will give you more feel. Especially with E46(or E36) steering column.

littleboyblues · « **Reply #3 on:** December 01, 2010, 04:59:21 PM »

Didn't know there was a difference between the columns. cool

romkasponka · « **Reply #4 on:** December 02, 2010, 03:40:18 AM »

Quote

There has been some mis-information for a while about the E36 rack ratios plus I remember someone on here running an E36 3.0 M3 rack in their E30. I have spent some time doing some measurements plus confirmed this data direct with ZF (I know someone who works there who can access drawings on their system).

The standard way ZF quote on-centre (straight ahead) ratio is in mm/rev, which is the travel in mm of the rack bar per revolution of the hand wheel. The higher the mm/rev the faster the rack.

M3 3.0 - 39 mm/rev - the slowest available rack. This is a variable ratio but it is slower than standard until 200 deg hand wheel angle

M3 3.2 and standard E36 - 45.5 mm/rev - the M3 3.2 rack has restricted lock.

Z3 rack - 53.5 mm/rev - by far the quickest rack you can fit.

E46 compact rack - 50 mm/rev - apparently this also fits the E36

Because the M3 3.0 has a variable rack it has the smallest lock to lock at 3.0 turns but don�t be fooled it is the slowest by a country mile. A worthwhile upgrade for any 3.0 M3 (or a track based E30 with one of these fitted) would be to fit a standard E36 rack (or even a Z3 rack) which is what I did a year ago with a noticeable improvement.

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