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View Full Version : Qa1 Variable Rate Springs


sen2two
02-18-2012, 10:54 PM
The only thing I need finish my 9" swap is to choose coilovers and springs. I'm pretty much set on the Qa1 Proma Star Single Adjustable shocks. But I find myself stuck between choosing a Linear rate spring or there Variable Rate Springs. For linear i was going with a 110lb spring rate to start with and go up or down from there if needed (full race 1st gen). But the Variable Rate Springs look tempting. And they offer a 100/200 rate, which seems about right. The only problem is, they dont seem to offer any other options that would be in my needed range...

Anyone here try the Variable Rate Springs (also known as Progressive)?


Variable Rate Springs

http://www.qa1.net/qa1_motorsports/2-5-in-i-d-variable-rate-springs.html

C. Ludwig
02-19-2012, 08:06 AM
No idea on the springs, but do you have a build thread for your car? Would love to see what you're doing.

sen2two
02-19-2012, 09:41 AM
Not yet. I don't like to post build threads until I have a decent amount of work done. So I plan on starting one after I finish the rear set-up...

C. Ludwig
02-19-2012, 06:46 PM
I've got a 79 I've gutted and plan to 4-link back half or perhaps 3/4. Just not time to work on it. I'd be really interested in seeing how you've gone about doing the 9" and what not.

sen2two
02-20-2012, 12:38 PM
I'll post them up as soon as its in...

just startn
07-12-2012, 10:50 AM
HAHAHA, WTF. These people really come up with some wildness.