Wastegate springs values-[5kT]

[Todd Phenneger]

You can also add a KH spring which is slightly stiffer initially
and gives a faster rise in Boost.   I have one of these
available if anyone needs one.  Let me know.  Its cheap. :-)
l8r
  Todd

--- Tim Sexton <5kcstq at codenet.net> wrote:
> Dennis,
>     It doesn't actually increase the amount of boost.  It just
> helps to keep the
> wastegate from cracking open early, giving the result of
> quicker boost buildup.
> On my 87 5kcstq, it didn't raise the boost at all, it just
> enabled the car to run
> factory boost amounts, 1.4bar, at a lower rpm level.  It isn't
> detrimental to the
> car, since all of the factory safety features are still
> enabled and the boost
> wasn't actually increased.
>     Yes,  adding more tension on the spring results in boost
> being built faster.
> But, like I said,  it won't change the basic value of the
> spring.
>     It was actually an outstanding mod for me because of the
> altitude at which I
> live.  It gave the car a whole different personality....  Of
> course so did the
> recent S.Knob installation, but that's a whole different ball
> game.
> 
> Hope that helps to clarify.
> 
> Tim Sexton
> 
> Colorado Springs
> 
> 91 V8 5speed
> 87 5kcstq, adjustable w-gate, S.Knob, 2.0bar
> 94 90cs quattro sport
> 
> DGraber460 at aol.com wrote:
> 
> > Great post. Thanks.
> > For us turbo challenged folks, what are the ramifications of
> this mod? Do you
> > have to change anything else (e.g., ECU) to prevent nasty
> things form
> > happening? Is getting the spring back into the same (or
> close) tension
> > critical.
> > I'm assuming more compression on the spring gives more
> boost?
> > Sounds easy, and inexpensive, causing my right brain to wave
> a red flag of
> > caution.
> > Since I have a spare wastegate, I want give this a shot.
> > TIA
> >
> > Dennis
> > 83 URQ
> 


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