Here i'll be telling you WHAT to change to set up the stock slrr suspension in order to make it look proper good. This is not a "How-to", this is an INDICATIVE tutorial for you to see and experiment with your mod.

For the REAR SUSPENSION (we will be using the rear RIGHT side as an example):
We have some parts that we must put in place to make it look good, those are:

WHEELS

# RR wheel #
type 10.000 sphere 0.315
spring 0.290 0.100 0.050
wheel 0.560 -0.550 0.945 0.000 0.000 0.000 0.000 0.000 1.000 1.000 <--- THIS IS THE WHEEL PARAMETER.

DRIVE ARMS (;feltengely vege a kasznin:)

;feltengely vege a kasznin:
slot 0.025 -0.376 0.971 0.000 0.000 0.000 544

CONTROL ARMS (;control arm a kasznin:)

;control arm a kasznin:
slot 0.300 -0.403 0.630 0.000 0.000 0.000 554

REAR AXLE (;R axle a kasznin:)

;R axle a kasznin:
slot 0.000 -0.115 0.970 0.000 0.000 0.000 564

UPPER HUB (;upper arms on chassis)

slot -0.420 -0.222 0.855 0.000 0.000 0.000 503 <--- REAR LEFT UPPER HUB
slot 0.420 -0.222 0.855 0.000 0.000 0.000 504 <--- REAR RIGHT UPPER HUB

THE RESULT YOU SHOULD BE LOOKING FOR:



For the front suspension we have it easier (we are also using the RIGHT side as an example):

WHEELS

# FR wheel #
type 10.000 sphere 0.315
spring 0.290 0.100 0.050
wheel 0.583 -0.550 -0.975 0.000 0.000 0.000 1.000 1.000 1.000 0.000

LOWER ARM: For the lower arm, we do NOT have to move anything, position-wise, we have to ROTATE the arm to "attach" it to the chassis. For this, the coordinate we will change is the last one from the rotation coordinates, with I colored RED. For the RIGHT side the rotation will be NEGATIVE, for the left side it will be POSITIVE.

slot 0.000 0.000 0.000 0.000 0.000 -0.450 352 ; FR lower arm
slottype 302

UPPER HUB/ARM

;upper arms on chassis
slot -0.440 -0.070 -0.900 0.000 0.000 0.000 501 <--- LEFT
slot 0.440 -0.070 -0.900 0.000 0.000 0.000 502 <--- RIGHT

The result you should be looking for: