[s-cars] Wastegate spring tightening

[Keith Maddock]

Pasqualoni, James E <james.pasqualoni at gs.com> wrote:
> You may also want to consider using a K-valve wg frequency valve instead.
> It will help your wg do it's job better and faster.  Prior to install, I was
> seeing similar boost values to Elijah's wife's car.  Since the ECU in my car
> was sensing an over-boost condition at higher revs, it was cutting back on
> the timing and slowing me down-power was peaky at higher rpms.  With the
> K-valve, boost is rock sold at 25 psi from around 3,400 all the way to
> 7,000.  Power is stronger and way more linear.  Plus it's only about $90
> with a DIY install!

Jim,

Where do we find these K-valve WGFV's and more info about them?  Do
they require a motronic software change?

I want to replace my WGFV as I am still having intermittent
over-boosting problems, and this might be a good way to go..

Cheers,
Keith