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Old 10-02-2011, 05:00 AM   #1
devsdad01
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Join Date: Jul 2010
Location: Il, USA
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Default Boost Trouble

I recently replaced the head gasket on my 1990 Turbo Coupe and took it out for a test spin today. It runs and idles smooth, but when the turbo spools up towards 4 psi it feels as though it looses massive amounts of power and it pulses very rapidly almost like it is missing. I set the time so I know that couldn't be a factor. The car ran fine before the head gasket blew and was boosting a solid 8 to 10 psi. Any ideas on what I may need to check or what could possibly be causing this problem?

Any information would be greatly appreciated as I am stumped!
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7mgte, boost, loss of power, mark 3


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