Trying to identify strut spring with part #
 

There are no color bars on this, anyone know what the spring rate is on this? Part # looks like 492 MUB95134.3
I got it from someone who was going to put it on his '91 S2 but he didn't know the spring rate.

http://i306.photobucket.com/albums/n...ps70bc0ab0.jpg

What color is the paint dot on the coil, that can clue you on to what it is

There are no colored dots or bars on either spring. I looked for evidence where someone might have scratched or rubbed them off but didn't see anything.

Measure the wire-diameter with some calipers.

Here's some info I found:

944
wire-diameter = 12.0mm
free height = 407mm

944S2
wire-diameter = ???
free height = 378mm

951 non-S
wire-diameter = 12.0mm
free height = 396mm

951, 1990+
wire-diameter = 11.6mm
free height = 356mm

951 TurboS or S2+M030
wire-diameter = 11.7-12.2mm
free height = 329mm


You can compare what you have to one of those to see which matches.

Free standing it looks to be about 358mm. I'll have a micrometer tomorrow to measure the wire diameter.

Wire diameter looks to be about 11.7mm.