I have function and Form type 2's on my 1990 coupe. Recently I posted in my build thread that I'd removed one collar from the rear coilovers in order to go lower with ride height. A fellow member informed me that now since removing the collar my struts would wear at a faster rate and could blow sooner than later. This is confusing to me because I have not adjusted the actual spring at all, only the lower mount position. The spring is still fully pre-loaded and since the lower mount is independent of the piston and gas chamber piston travel should be the same as it was before correct? The only thing in my eyes that has changed is the overall length of the entire assembly. I can see that happening with coilovers where the height isn't adjusted independently of spring pre-load, but not with mine. So I'd like to get everyones opinion.
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Coilover adjusting collars
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only the lower, thickest collar was removed, the other two (i guess they would be the spring perch) are still there. The only thing I've done is removed the very bottom collar. So I've moved the whole assembly lower into the mount.
I wish I could trade my heart for an extra liver, just so I can drink more and care less.
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You should never remove any part of your coilovers. You will most certainly blow the shocks that way, and it will be incredibly dangerous. Those coilovers are capable of seriously slamming your car... how low are you trying to go? I don't imagine ANY suspension could possibly be safe (or even remotely practical) beyond the lowest point of F&Fs...
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Ok, the the strut gas chamber and piston assembly is seperate from the lower mount. In the drawing (told you it'd be crude hahaha) You can see there is empty space between the bottom of the actual strut, and the bottom of the lower mount tube. This is completely empty space, the piston does not travel here, and there is no gas charge here. By removing the collar, it allows the whole entire strut to sink lower into the mount, descreasing the amount of empty, non gas charged space. I would think (I just may be wrong here) That since the spring is at the same pre-load as before, and is at the same position on the actual strut as it was before, that no travel would be lost.
I wish I could trade my heart for an extra liver, just so I can drink more and care less.
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My car is pretty low if you haven't seen my build thread. It was already dropped as low as the FnF's would let me go. It's lower than most people like and some would im sure consider it "un-safe" But that's not really what this is about.
I wish I could trade my heart for an extra liver, just so I can drink more and care less.
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You asked for opinions.I'd rather not see you crash your car because you thoroughly compromised your suspension. I'd also prefer that MY site isn't where you got the information to make your car even more dangerous... especially if you lose control and kill someone. I could potentially be held liable to some extent... so yes, that IS what this is about.
If you want to go lower, extend your top mounts. That will make the car sit lower, while retaining proper strut piston travel.
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I'm happy and thanks for the opinions. I do not believe my car is any more dangerous than it was before. Extended top hats would only allow the piston to have more travel and wouldn't lower the car without shorter springs.
I wish I could trade my heart for an extra liver, just so I can drink more and care less.
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You already seem to have devised a way to make the spring sit lower... I was just suggesting a method of actually maintaining a functional suspension in the process.
You could always contact a spring manufacturer, such as Eibach, and have some custom length springs made. You'd also likely need custom valved shocks.
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The front of mine bottomed out in the mount before I had to remove any collars. The back I removed the one collar. Your on 15in wheels right? what size tire? Mine are 16's with 195/50/16 tires. That may be why the difference in our suspensions as far as height off the ground goes.
I wish I could trade my heart for an extra liver, just so I can drink more and care less.
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