They REARLEY need adjusting. I've only heard of shimming required on car with massive amounts of vacuum at idle which overcome the internal spring and suck the valve open. On a Contour - this is unheard of.

2000 SVT Turbo 295hp/269ftlb@12psi #1 for Bendix Brakes Kits! Knuckles rebuilt w/new bearings $55 AUSSIE ENDLINKS $70 Gutted pre-cats $80/set A lack of planning on your part does not constitute an emergency on mine!