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Old 10-10-2012, 11:08 AM   #6
Scooby Specialist
Member#: 282204
Join Date: May 2011
Chapter/Region: NESIC
Location: Northeast CT
2011 5 Door STi
Plasma Blue Pearl


Originally Posted by k04sti View Post
So much false information here where do I begin. First off, bogging is not because he is not launching at a high enough rpm. He is bogging because he is dropping the clutch too fast.

Also, his mph which is 102 does not suggest a 12 second 1/4 mile time. Also, higher boost does not mean more power especially on the stock turbo. He should not be boosting 24 lb because this would not be efficient on his turbo.

Please don't post information that you are not sure of because you will mislead the community and you obviously don't know what you are talking about.
I admit to not being very experienced in this application. In fairness I'm just trying to help.

So what would a 102 trap speed equate to?

He could be bogging from letting up too fast or too low a rpm, or not letting go on the upswing of the tach (building boost). There are many reasons. Even the OP says he was soft on the launch.

With a forged block what boost pressure is the engine capable to?

If on a stock turbo a 2005 is a vf39 which can get up to about 300whp when everything is addressed. That is if the OP has a stock turbo. and on this turbo about 20lbs is at the end of it's efficiency.

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