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Boost spike at 4500k rpms, Problem???

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twinsnails

10+ Year Contributor
93
0
Mar 29, 2009
Northwood, New Hampshire
I have a weird problem that I do not know what to think of it. When I try and pull my 3rd gear, once I hit 4500ish rpms I build a ton of boost (will hit around 20psi, I have the wastage open no actuator) and its like im launching the car. My only conclusion is that, I can start the car with the clutch in so the car may always think that the clutch is always out and it just acts like this when at that rpm range. I do have Dsmlink, no ALS set. It has a launch max set at 4500rpms. Help me out, I just started driving this thing and I cant drive past 4500rpms. I have the actuator disconnected because it is seized, and yes the wastegate flapper is free to move I make about 4-5 psi before I hit that 4500rpm mark and then spike to 20 and I let off dont want to kill anything. Sorry a short post just turned into a long one.
 
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