S9 rear coilovers for x7
Posted 07 December 2011 - 04:41 PM
Posted 07 December 2011 - 04:58 PM
I basically just want to know if anyone has problems with the s9 rear coilovers, not the coilover itself, but how it works with the car, and if the car continues to break when using these coilovers. It just sounds like a stupid design if you dont plan to modify the car itself.
Posted 07 December 2011 - 04:59 PM
yes. you have common fucking sense. Now use some of that reasoning ability and put some more thought into it.
Posted 07 December 2011 - 05:12 PM
Posted 07 December 2011 - 05:28 PM
Ok no seriously. stop. Just stop. You'll learn more if you figure it out for yourself.
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Posted 07 December 2011 - 05:52 PM
You seem to have very good intuition about how much force the stock suspension and chassis can take so I don't know why you'd think someone would make a product which welds to the stock strut tube in the rear (mainly because there is no tube its just the damn pencil-dick shock...)
So now onto answering your question...
These two beauties right here are the serialnine rear upper coilover perches (1 for each side of the car). And you weld these onto your chassis.
Specifically, you weld those perches onto the flat surface which surrounds the stock shock absorber. By doing this, you enable the weight and stress from the coilover (which you seem to already know is a decent amount) to be distributed and all that jazz so your coilovers can function properly without f'ing up your chassis.
In conclusion, the coilover
mounts in two places. To the rear control arm via that spindle at the bottom which the stock shock also mounts to. And at the top the coilover's adjusters come through the hole into the trunk where you'll place some nuts and a bushing, while the actually weight/load of the rear of the car rests on those upper perches.
All of this functions extremely well and gets the job done. However, there's multiple ways to do anything having the spring seperated from the coilover like stance's kit for the ma60 is another way to go. I'm not too sure what the pro's and cons are between the two.
I hope this helps clear things up.
Posted 07 December 2011 - 06:51 PM
When you hit a bump, the shock absorbs way more force than the spring does.
The spring never exerts more than the total force that it can push when fully collapsed.
A shock has to take the same force multiplied by how fast the load is induced in a formula used to figure Kinetic energy, or inertia.
It can easily be 10 times the static load.
Sorry you all skipped taking a physics class in school, it would have helped you a bunch.
Posted 08 December 2011 - 05:35 AM
BudgetVIP, you linked me to something related to the wrong end of the car, good on ya, really helped.....
Posted 08 December 2011 - 11:15 AM
Here you go just in case you still can't figure it out.
Posted 18 December 2011 - 11:58 AM
Not sure if serious..
I've had my s9 coils for about 5 or 6 months now, my only problem is that the strut tubes were threaded with the wrong tolerance so they're super tight on the front coilovers... I've bent about 5 or 6 coilover wrenches because of it.
Other than that, they are stiff as fuck and don't hurt the strut towers or anything.
Posted 18 December 2011 - 04:08 PM
Posted 18 December 2011 - 04:55 PM
G is going to replace them and give me a new set when he gets the new shorter tubes in.
Posted 18 December 2011 - 06:14 PM
90' Cressida 2jz-ge w58 swapped.. soon to be na-t
Posted 18 December 2011 - 08:31 PM
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