QUOTE(koozy @ Feb 18 2009, 09:10 AM)
Thanks, Randal. I was thinking 250 to 275 to start. Larry suggested 300. I like the box-o-springs idea. I guess it will just take some time to figure out. Now, to settle on a starting point. I did machine the perches (or the equivalent) I added a groove lower on the shock so the collar sits at it's lowest point without possibility for bind and got the longer collar for greater adjust ability. I did that when I first got em since I didn't know where the car would sit happy.
Mike,
I'm with Larry on 300 lb springs for your setup. Thats a good starting point. I used 275 lb on my lightweight car with 19mm front torsions. Get 8" springs as you will want the rear lower than you can get with 10". Stock Koni yellows will be fine. DOnt bother with all the custom valving etc at this point. Its over rated and usully ends up wrong. Before you consider any custom shocks focus on assuring all your bushings are in good shape, new ball joints, turbo tie rods etc. If your running DOT tires you will want to work on front strut towers to get enough negative camber as well.
If you cant live without custom valving PM me and I will give you some referals to some very good places to get shocks valved in the area. You are going to want to know what wheel and tire type, size/weight you are running prior to any custom valving.
Sorting cars is highly overated as well, dont get sucked into the sorting vortex. Most 914's with generally stiff and properly working suspension, decent shocks and sticky tires will perform well if you drive them correctly. You really dont want to lose sight of most important aspect of your car and thats you.
Forgot to ask. You are getting an LSD right? Dont leave home without one.