Quote:
Originally Posted by norfie
some spring info for you:
Green/Blue fitted load: 4071N spring rate 19.3N/mm, wire diameter 13.8mm
total number of coils 5, 3.6 are active
Purple/Brown fitted load: 4282N, spring rate 23.5N/mm, wire diameter 14.07mm, total number of coils 5, 3.8 are active
If you have green/blue fitted that would explain why the front is low
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Thanks for this Neil, it's excellent info. I've in fact set up a conversion spreadsheet to calculate spring rates for the existing wrong-size springs and also the OE specs. I'm having issues however with different aftermarket manufacturers having quite different specs on what are ostensibly the same product (i.e. Purple/Brown REB000480). Autodoc are better than most in providing tech specs and they show the measurements of their manufacturers
here. However, other suppliers have different specs (usually longer although the sire diameter is always 14.5mm). The N/mm results I'm calculating though actually aren't far off what you've provided. I used 3.5 active coils as best guess.
Questions:
What do the 4071N/4282N relate to please?
Purple/Brown springs have wire diameters of 14.5mm and not 14.07mm from what I've seen?
Dougie.