Hi all!!! I put Eibach Sportline Springs all the way around on my 86 Firebird, does anyone know what the rates are for those springs? Then i gotta convert the lb/in to kg/mm. Also i have put a transam steering gear, kyb gr2 shocks/struts and trw draglink and all tierod ends etc. when i get a chance i will list all of my mods, too much to list right now lol, also i will post a pic. Any help would be greatly apprciated. Thanks later all!!

 

Pro Kit: 714 lb/in linear front 1 inch lower front
109/177 lb/in progressive rear 1 inch lower rear

Sportline: 700 lb/in linear front 1.6 inch lower front
80/137 lb/in progressive rear 1.3 inch lower rear


to be sure you can give them a call at...

If you need technical help -- Call us! - We are here to answer all your questions.
951.256.8300

 

thank you so much

 

ok guys i dont know ANYTHING about spring rates. i have the eibach sportlines on my 86 iroc how come the rate is lower then the pro kit. what does the number really mean. i would think the sports are stiffer because they are lower. help me out i am slowly learning this stuff.