how low to go?

[tweety]

I've got 17's fitted to my Chim with 45 profile tyres, how low can I go sensibly without ruining ride or rubbing arches. Can I just change springs or need shocks aswell and who does them? Advice please.
Cheers Al.

[tweety]

Cheers mate, could always get hydraulics to solve the speed bump problem, oh and some neons ha-ha.
Don't want to srape the ground just slightly lower especially at the front.
and I want a Pistonheads neon in the rear window, which will have badly fitted black film and a Cosworth rear spoiler and 860000 watt stereo with 13 screens and 11 cameras and ....