[s-cars] Re: wastegate spring mod

jerry beer gsfent at bellsouth.net
Sat Feb 19 18:42:16 EST 2005


Rolf
  I agree all that has said about TAP. However I did get the WG spring from
them. I compared it to shimming the stock spring at different levels. The
TAP WG spring seems to be perfect for my car. I spike to about 22 psi and
then settle down to 20 and still have about 15 psi at 6500 rpm. On boost
ramp up is better with the TAP WG spring.  I use Ned's Stage III setup and
have a 2B hybrid 24/26 turbo, Forge bypass valve. Stock injectors, stock EM.
AWE has good stuff for the newer cars, not sure about the I-5. Ned, Hoppen,
Steve Eiche, Minhea and other list members are certainly all good choices
for the I-5.
Regards,
Jerry
91 200qa
E39 M5



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