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[2woody]

it's something that I'd dearly love to do - the steering box has to be the thing I like least about Omegas.

It should go without saying that the geometry has to be absolutely spot-on, which means correct in all three planes as Kevin rightly points out. Further to that, the wishbone style on Omega means that the rack must go in front of the front axle to get acceptable turn-in. This means that it will then not clear the Omega sump.

It could be do-able with the righ gear, but would mean a new sump, new front subframe and wishbones, which complicates matters somewhat.

But definitely a worth addition to the "aims" pile.

p.s. "servotronic" is a ZF trademark, but they have different systems for rack and for box.

[feeutfo]

Looking at that thing belt round a heavily banked oval at up to 214 miles an hour with Zero corrections, I'd be more than happy with that set up. MORE than happy.

[2woody]

I suspect I wouldn't !

[feeutfo]

I suspect I wouldn't !

You reckon it's set for stability?

[2woody]

reckon i'd set much tougher design goals...

[feeutfo]

Begs the question, why design the omega with a box at all IMO. Although racks can be notchy and pulse IME.

[2woody]

History really - Omega B is a very thinly facelifted Omega A, which itself is a very thinly facelifted Carlton - in fact the V-car platform was very similar from Commodore onwards in 1968.

as usual in the motor industry, the manufacturer can afford to change the bits you see, but not the bits you can't

[TheBoy]

a lot of mercs still use steering boxes...

[feeutfo]

a lot of mercs still use steering boxes...

Yeah, ask Wim what marque they invented that torsion bar for, to take the box play out during set up.

[TheBoy]

a lot of mercs still use steering boxes...

Yeah, ask Wim what marque they invented that torsion bar for, to take the box play out during set up.

I didn't need to - they told me when they first got it.  In good order, not sure I understand why there should be more play?

[feeutfo]

They used it on mine due to the constant issues with steering wheel off centre.

Can't talk for Mercs, but it made absolutely no odds at all. Still pissed.

Miraculously, steering wheel was instantly straight once they had the facility to heat up and free off rear track rods. Back was steering the front off line. Sigh...

[feeutfo]

To add, absolutely nothing to do with Tonys "accumulative play across the steering mechanism"

Sorted now though.

[TheBoy]

They used it on mine due to the constant issues with steering wheel off centre.

Can't talk for Mercs, but it made absolutely no odds at all. Still pissed.

Miraculously, steering wheel was instantly straight once they had the facility to heat up and free off rear track rods. Back was steering the front off line. Sigh...

Mine has always left dead straight.  MV6 is pissed again now, only done 2 months ago. But if you saw some of the potholes around here - I hit one the other day (fortunately at very low speed, but couldn't actually stop in time), and bottomed the car out.