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Originally Posted by jdm_s14_zenki
i never said anything about "spring rate" i said "spring tension" and besides..i cut the spring about 1/4 or the full length. and now the spring is much easier to "push" the piston in. Which can only mean that the spring has "less tension" in it, which makes it easier for the "pressure" comming from the turbo (when the throttle closes) to open the piston. BTW, i was just kidding about the arguing thing..i was being sarcastic.
This makes perfect sense to me. It should make perfect sense to you as well. I mean think about it..Like i said, its one thing to say something works, and its another thing to actually try it and then say it works.
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All I'm trying to say is that cutting the spring makes the spring physically stiffer but here's the deal. you took a 1/4 of the total length off of the spring so now the spring isn't compressed as much as it was before since it takes up less space, in other words you've dropped the pre load of the spring(other wise the initial force that the spring pushes down on the piston with is now less). I know bottom line it worked for you and that's what matters, but I feel if you have a better understanding on why what you did worked it'll help you out in future situations.
That whole knowledge is power thing isn't just some stupid sang people told you when you were young, it's absolutely correct.