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Old 05-11-2008, 07:53 PM   #1
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Default Converting Spring rates?

I am reading through some setup sheets for my HPI noticed all the springs are in gf/mm (most are suggesting white springs for rubber tires) i already have a good collection of associated springs and have access to the newer xray rubber specific springs i am just wondering what i need to do to convert the wacky rating HPI uses so i can figure out what associated or xray springs i need
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Old 05-11-2008, 08:03 PM   #2
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I am reading through some setup sheets for my HPI noticed all the springs are in gf/mm (most are suggesting white springs for rubber tires) i already have a good collection of associated springs and have access to the newer xray rubber specific springs i am just wondering what i need to do to convert the wacky rating HPI uses so i can figure out what associated or xray springs i need
i have a chart, what hpi springs do you need to convert??

the hpi whites are 298.gF/mm=16.7 lb/in (HPI#6833)

let me know what springs you need to convert

if you need the hpi pro 4 springs white (part #6545) they are 363.0 gF/mm =20.3 lb/in
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Old 05-11-2008, 08:10 PM   #3
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yeah the pro4 springs arfe the ones i was looking to convert thank you...thats twice in one weekend lol
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Old 05-11-2008, 08:13 PM   #4
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yeah the pro4 springs arfe the ones i was looking to convert thank you...thats twice in one weekend lol
if you want to use the x-ray springs the light -blues(part# 308385) are 358.0 gF/mm = 20.0 lb/in
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Old 05-11-2008, 08:14 PM   #5
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i was going to use the c3.0 since thats what nexus stocks
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Old 05-11-2008, 08:20 PM   #6
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i was going to use the c3.0 since thats what nexus stocks
i think those are softer than the hpi whites
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