Quote:
Originally posted by 911pcars
The spring should have the same tension characteristics regardless of which end gets pushed. If the spring is progressively wound, the lower tensioned portion will compress first.
However, the tighter wound end would be slightly heavier, thus you don't want this end moving as much (with the rocker arm). How does that sound?
Sherwood
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Sherwood,
No to be arguementative, but the moving mass is at issue when it comes to compression. That's why progressive springs always have an orientation depending on application. If what you said were correct you could spring a sus system any old way. That's not the case though. Progressive springs always mount in one direction only, depending on where you want the load given the mass.
I agree it is critical to mount the springs correctly as the initial movement of the valve needs a lessor spring rate for control in the start of it's stroke.