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Old 04-15-2010, 09:23 PM   #1
nhat
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Default hyperco springs with no markings?

i just picked up a set of coilovers which come with hyperco springs. the only marking i see on each spring is a hyperco sticker, nothing more.

so how do i figure out what the spring rates are?
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Old 04-15-2010, 09:44 PM   #2
Turn in Concepts
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Hmmm... that seems a little odd. Call them up.

since it's a coilover spring you can calculate the rate pretty easy using the standard spring rate formula.
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Old 04-15-2010, 10:13 PM   #3
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There's no marking on the side of Hyperco springs...it's etched into the top.

- Andrew
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Old 04-15-2010, 10:31 PM   #4
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Yep, on top of the spring there's a small area with no paint and the rate is etched into it there.
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Old 04-15-2010, 11:06 PM   #5
Butt Dyno
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And they do that so that the circle track guys can't cheat off of each other
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Old 04-16-2010, 12:53 PM   #6
nhat
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thanks for the info guys. i'll look for the etchings tonight
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Old 09-22-2012, 01:01 PM   #7
Baay
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Old topic bump, nhat, did you ever find the markings? im going to guess the spot they are etchd is where they sit on the spring seat, that is the first thing to rust! Both my springs are rusty on the tops
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Old 09-22-2012, 10:52 PM   #8
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carefully 'sand' them with a scotchbrite pad lubed with something like wd40....the numbers may come out enough to see them
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Old 09-23-2012, 04:48 AM   #9
Counterfit
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Some chemical based rust remover (naval jelly, or that reusable/recyclable/biodegradable one they keep plugging on Truck U) might be a bit better to reduce the chance of removing the markings themselves. Not that a lubed up Scotchbrite pad is all that aggressive.
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Old 09-23-2012, 09:04 AM   #10
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SOL, the markings on them are long gone, oh well. Thanks for the tips guys!
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