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Old 07-08-2012, 01:50 AM   #1
C-bird6969
Scooby Newbie
 
Member#: 291672
Join Date: Aug 2011
Vehicle:
05 Wrx

Default boost problem

05 wrx with new''er'' moter dropped in this week but turbo from old moter. old turbo worked fine held and pushed boost with no problems on old moter. new''er'' moter runs great but when i start to get into boost it starts bogging down and cuting out. it runs great till i get on it a little bit and try to start building boost. soon as i pass over into boost the car also makes this duck call noise and gets louder the more i throttle. i think its a boost leak the shop that put in the new moter missed. here are some datalogs with this issue

https://docs.google.com/spreadsheet/...ExVU3Zwd283Q2c

https://docs.google.com/spreadsheet/...XhMWGl6aG9HQ3c
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Old 07-08-2012, 10:18 AM   #2
Cobb Tuning
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Member#: 4803
Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Quote:
Originally Posted by C-bird6969 View Post
05 wrx with new''er'' moter dropped in this week but turbo from old moter. old turbo worked fine held and pushed boost with no problems on old moter. new''er'' moter runs great but when i start to get into boost it starts bogging down and cuting out. it runs great till i get on it a little bit and try to start building boost. soon as i pass over into boost the car also makes this duck call noise and gets louder the more i throttle. i think its a boost leak the shop that put in the new moter missed. here are some datalogs with this issue

https://docs.google.com/spreadsheet/...ExVU3Zwd283Q2c

https://docs.google.com/spreadsheet/...XhMWGl6aG9HQ3c
If the noise is that obvious on boost, you most certainly have a leak somewhere. Get a pressure or smoke test of the intake tract done and check the uppipe (especially if they re-used the old gaskets). Check the exhaust. I would not do any heavy throttle runs until you get this figured out. And be careful of carbon monoxide poisining if it could be an uppipe or exhaust leak.

Bill
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Old 07-08-2012, 11:06 AM   #3
C-bird6969
Scooby Newbie
 
Member#: 291672
Join Date: Aug 2011
Vehicle:
05 Wrx

Default

thanks alot bill your a huge help and im sure everone that has had the pleasure of interacting with you will say the same
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