Boost spike help.
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here is a link to some pics of the dyno session and you can see the boost spike and also the power spike in the other pics.
http://rides.webshots.com/album/60796136stzCYb?start=96
On the dyno the spike would happen i believe when it down shifts.
At the track the spike boost happens when it shifts into 2nd gear. It feels like the car relaunches when it shifts into 2nd gear.
The spike boost jumps up to about 14-15lbs.
The motor is completly stock, only mod is the sts turbo.
any ideas why the spike?
thanks
http://rides.webshots.com/album/60796136stzCYb?start=96
On the dyno the spike would happen i believe when it down shifts.
At the track the spike boost happens when it shifts into 2nd gear. It feels like the car relaunches when it shifts into 2nd gear.
The spike boost jumps up to about 14-15lbs.
The motor is completly stock, only mod is the sts turbo.
any ideas why the spike?
thanks