Quote:
Originally Posted by Scott.T
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For info and something we learnt along this spring journey. Thick gauge steel used on a spring doesn't necessarily mean it's a harder spring.
Thinner gauge can be used to make the spring stiffer if greater gaps are applied between coils if both design have the same static length.
In the image above you can see the spring on the left has large gaps but is thinner gauge.
Just think of it as a bent rod of steel. Where a straight rod would have no spring but put a coil or bend in it and it will start to react in a spring fashion.
Less coils = closer to a straight rod. More coils = more spring.
Both the above springs are rated at approx 170 pound but achieve it in different ways.
When fitted and at static ride height you may find 2 coils with a large gap and a 3rd coil with a small gap. This 3rd coils acts as a damper for light cruise but once lent on the gap reduces to zero and the wider spaced 2 coils come into effect with a stiffer rating.
The spring with more similarly spaced coils gives a more linear rate.