BC Racing coilovers rear spring preload

[FLG]

Hey Guys,

Before i put the BC coilovers in i had a question about adjusting rear preload. Since our cars run a divorced spring, im a bit confused.

The spring collar and shock are both adjustable...question is, if i lower the spring, how much do i lower the shock to maintain correct preload and not bottom out the shock on the bump stops?

Thanks

[bmwguy325is]

Im confused by this. So you can adjust the length of the shock or where it sits static?
UMMM ya

[avery0829]

Shock is for ride height.

[FLG]

Yes both the spring collar and shock are adjustable so depending on how high or low you run your springs the shock travel can remain the same.

[bmwguy325is]

Ok well adjustable shocks mean that you can change the way it dampens. The shock does not support the car the spring dose. By divorced I am guessing you mean the the spring and shock stay in the stock location?
So I am going to say put the shock on the car then tune the dampening you desire. As far as the spring well you either corner weight the car or set it to look cool however you like.

[FLG]

Well yes and no, these shocks do have dampening adjustments but you can also physically adjust the shock, there's a lock ring on the bottom mount and you can turn the shock to lower or raise it, thus adusting its travel depening on where the spring is adjusted to.

And yes by divorced spring I mean stock setup, not true coilover.

[jaywood]

Basically you can thread the shock into the shock housing so you can adjust the length of the shock. Idk how to help explain it, but I have the same coil overs and I know what you're talking about

[bmwguy325is]

Basically you can thread the shock into the shock housing so you can adjust the length of the shock. Idk how to help explain it, but I have the same coil overs and I know what you're talking about

Well yes and no, these shocks do have dampening adjustments but you can also physically adjust the shock, there's a lock ring on the bottom mount and you can turn the shock to lower or raise it, thus adusting its travel depening on where the spring is adjusted to.

And yes by divorced spring I mean stock setup, not true coilover.

OOOO OK! HMMMM Well Id set the travel on the car with the spring in the static position it will ride in.

[xxlbimmer]

Set the car on the ground and adjust ride height to your desired level using the coil over spring adjuster. Do not have the shocks installed yet. Remember a spring supports the car, a dampener controls the "action" of the spring. Once your ride height is set by the spring adjuster, install the shock,adjust the rear shock length so that at that your desired ride height the shock is neutral, no pre load.
Then drive the wheels off of it!!!

[ak-]

It's simple. If you lower the spring, lower the shock accordingly so you don't lose travel.