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gearheadE30
gearheadE30 Dork
7/26/23 11:59 a.m.

In reply to Berck :

What rack is in your car? Stock power rack is 4 turns lock to lock. Several off the shelf options exist in the 2.7-3.2 range, and it makes a massive difference. Offset control arm bushings helped mine in the feedback department as well, if yours are still stock centered ones, but that's on a pavement car. If everything is working, it should actually feel pretty good, though if you're still running power steering it does tend to be pretty overboosted. 

Berck
Berck Reader
7/26/23 12:20 p.m.

In reply to gearheadE30 :

I'm pretty sure it's the stock rack.  Upgrading it is on the list, especially if I can grab a cheap aftermarket one that'll bolt up with minimal fabrication?

gearheadE30
gearheadE30 Dork
7/28/23 12:27 p.m.

Gotcha, that's a huge opportunity for improvement then. I really disliked the steering on my E30s until doing a swap, really makes the car feel more responsive and modern, though the latter is probably more important for a daily than a race car. 

It's been probably a decade since I last researched this, but maybe this will help start the search at least. E36 racks were the common swap, they bolt in with a few spacers as the E30 subframe ears are further apart. People have been known to use washers. Normal E36 and 1996+ M3 are 3.2 turns lock to lock, 1995 M3 is 3 turns, Z3 is 2.7. I think it was the Z3 rack that has different, tighter steering stops, so not great for rally. I have a 3.2 turn rack in my 318is, at the time they were cheap and easy to get and probably still are. The 325es has the stock rack and feels like a bus in comparison. 

I believe some people are using E46 racks as well, but I don't know anything about those. 

Pete. (l33t FS)
Pete. (l33t FS) GRM+ Memberand MegaDork
7/28/23 12:48 p.m.

In reply to gearheadE30 :

The Z3 is probably the same ratio as the others.  My Volvo has 2 turns lock to lock steering, but it is the same slow steering as a base model, just with enormous steering stops.

 

I'd be inclined to splice a quickener in, myself smiley   Fast steering is incredible to have.  A quickener is not exactly an evening's worth of swapping parts like changing the rack is, though.

Berck
Berck Reader
8/10/23 7:50 p.m.

Pete. (l33t FS)
Pete. (l33t FS) GRM+ Memberand MegaDork
8/11/23 8:48 p.m.

Well.  That de-escalated quickly.

 

What happen?

Berck
Berck Reader
8/11/23 9:09 p.m.

In reply to Pete. (l33t FS) :

See the writeup and video a few posts back?  Just updating with a few professional photographs... 

Srob1107
Srob1107 New Reader
11/23/23 1:46 p.m.

What do you guys think of pitting on thrust washer surface very small maybe 1/4 inch and dimples inwards will I have issues? M44b19 engine going in a z3 

Berck
Berck Reader
11/23/23 5:19 p.m.

In reply to Srob1107 :

I'm no expert, but I wouldn't want to waste labor installing that crank as-is.

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