S1 Ride height. How low?

[Talkwrench]

Quick question regarding S1 ride height for normal road use.
I have an S1 and I've fitted the usual S2 Bilsteins and springs (Eliseparts kit)
The new mounts have two ride height settings and for the rear, the car is on the lower setting.
On the front, I (briefly) originally had the lower setting but didn't like the bump steer induced by the far from ideal track rod geometry, so I raised the front to the higher setting.
The car rides exceedingly well but I am aware of a slightly nose high attitude and am also aware of more roll than I would ideally like when cornering hard.
If I was to lower the car to the low settings on the brackets and fit the lowering steering links on the front to eliminate bump steer, will I have a real problem with ground clearance?
There are a fair few speed bumps in my neighbourhood and I have to drive down a fairly rough cobbled lane to get to my house.
There must be plenty of you out there with this kit set to the lower setting. Is ground clearance a real problem in day to day driving? And does it reduce roll significantly?
I don't want to purchase and fit the steering arm lowering kit and find that the car is unuseable on normal roads.
Thanks!

[kambites]

I think 110/120 (measured to the front and rear sills respectively) is usually considered about as low as it's sensible to go on the road. Speed bumps are meant to be a maximum of 100mm tall.

[bogie]

as above, no benefits at all going lower than 110/120 for a road going Elise, and you can just about get over most things and into most multi-storeys at that, so you maintain useability

[fergus]

Talkwrench said:

but didn't like the bump steer induced by the far from ideal track rod geometry

Is it possible to shim the s/rack to get rid of/minimise the problem?

[kambites]

fergus said:

Talkwrench said:

but didn't like the bump steer induced by the far from ideal track rod geometry

Is it possible to shim the s/rack to get rid of/minimise the problem?

The steering rack is mounted on top of a cross member so you just need spacers. For example:

http://www.eliseparts.com/shop/index.php?main_page...

[AdrianR]

kambites said:

The steering rack is mounted on top of a cross member so you just need spacers.

Almost. Its actually bolted to the front of the footwell through slotted holes; these plates allow you to move the mounting bolts further up in their slots.

AdrianR

[kambites]

AdrianR said:

kambites said:

The steering rack is mounted on top of a cross member so you just need spacers.

Almost. Its actually bolted to the front of the footwell through slotted holes; these plates allow you to move the mounting bolts further up in their slots.

AdrianR

Oh OK.

[Hollywood Wheels]

Mine was set at 90/100 when I got it. Made for some interesting town driving, but actually got over most things okay....