Suspension Suggestions Needed

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Originally Posted by PoorMans180SX

Custom Koni 8611 setup with shortened housings *cough*veilside180sx*cough* (actually, you'll have to see if he can make ones for your Z) and a ground control sleeved setup with pillow ball upper mounts (any brand). Should cost around $2500?

Or, you can purchase Topline Aragosta coilovers (Made by the highly-regarded AST) from SPL. They have all the same characteristics as normal coilovers, just with a really high-quality damper to go with. They're $2699 standard, and an extra $200 will get you custom-valved dampers to whatever spring rate you specify (with a damper dyno sheet included).

Veilside's Konis are top-notch quality and most likely the best bolt-on solution for S-chassis and B-chassis cars... I'm not sure if he has made any Z33 apps yet, but I have no doubt that he could. Since the OP is a newb to suspension, I would suggest going with 8610 inserts instead, as those are single-adjustable... double-adjustable 8611 dampers will be too intimidating, and will cost more.

Just as a side note: the Toplines use Aragosta shocks as they are their own company: http://www.aragosta-suspension.com/. Topline just manufactures the mounts and hardware and puts it all together, AFAIK.

Regardless, the Konis offer tons of functionality for less money, and they are well-proven and well-supported in the States. With the Toplines, pretty much everything is an unknown at this point because no one has coughed up the dollars for a set except for Koopa Troopa.