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I think you guys might be forgetting that this guy is in England - that's over the Atlantic ocean fellas. You know, the guys standing shoulder to shoulder with you in Iraq !
Its not easy, convenient or cheap to send shocks to the US. We get hit with postage and the revenue charges us VAT and duty on the return into the country despite the fact you owned them to start with.
I have also found that US specialists are very careful about letting their proprietary valving info get out. Now Rennnsport may be different but SRP will not help out. I think Bruce really wants a hand with the valving numbers so he can get a feel for who is BSing him on the ideal set-up. Given the range of opinions he has received I would also be wary.
If I was revalving my Bilsteins (and its one option I am considering right now in addition to Leda and SRP products), I would go to a shop that has a winning record in the PCGB Classic series. I have talked to JAZ (they did Craig Rapp's SC among other cars and have done all my work over the last 4 years) and Steve Winter told me, IIRC, the compression settings on the HDs and Sport Bilsteins are fairly close, but the Sports bump up the rebound a little. I think I recall the same info on Pelican. Steve's valving specs increase the rebound further still, but I am not sure what he does to compression. The going rate is £60-80 per shock. He is on 020 8903 1118 - tell him Richard Bernau sent you and he will explain in more detail why he changes the valving the way he does.
No doubt Parr Motorsport and others have good info as well.
I am pretty sure all the revalving in the UK is done centrally by Bilstein, but its the specs that are so secret. If you know your spring rates and corner weights Bilstein may be able to make a recommendation but IMHO, 911s are a curious car to set-up and I wager that real experience might work better than theory (but then what do I know!). I just like working with shops whose cars win races.
Given that anyone with a shock dyno can work out their competitors specs, I don't fully understand the reluctance to give advice of some shops, but that's life.
HTH
Richard
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