Oops, my bad...you lengthen the rod to lower the rear and shorten it, to raise the rear.

Thanks wannawagon. I got my springs from GMP Performance, but i think i got the last set. Thier web site is http://www.gmpperformance.com/products/suspension/springs/jamex.htm .

Here's another website that has lowering springs for your car, but they're in the Netherlands. http://www.platimex.nl/Brochure/Lowering_type_list.pdf .

tom9298, the shims are the rubber spring caps that are located at the top or bottom of your spring. i know that on the front springs, they are located on the top and MB offers 4 thickness', 8mm - 23mm, to adjust height. not sure if there are different sizes to choose from for the rear.

as for biodiesel, i'm lucky to have a local distributor. i love the smell of popcorn coming from my exhaust.

gary