Quote Originally Posted by ccdjg View Post
Guy, If a spring shortens after compression then this is down to the fact that it has been tempered too soft (that is, it has been tempered at too high a temperature.) As long as the spring has no obvious cracks or other defects, it could be completely softened and returned to its original length, then completely hardened to almost glass brittleness, and then tempered back to a proper spring flexibility.

Cheers,
John
Thanks John. I wont bother with it as I'm happy with the normal Junior springs. It would cost me more in Leccy to do it! Could it not just be thrown in the oven to retemper? I'm sure someone on here straightens old springs and puts them in the oven for half an our then turn the oven off?