Help with Boost issue won't boost higher than 3 psi - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 11-29-2012, 08:40 PM Thread Starter
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Help with Boost issue won't boost higher than 3 psi

The is car is dead nut 3 pounds of boost on dyno then graph leves and all the way to let off. This on a turbosmart pro gate 50mm wastegate with 7 psi spring. I don't hear any . I would think 4psi leak would be heard. I have verified the spring in wastegate.


02 Roush, Livernois stage 1 cams, eaton posi, qa1 kmember, highly modified on3 turbo kit
Turbo numbers 415 rwhp 458 rwtq
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post #2 of 4 Old 11-29-2012, 10:07 PM
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Did you make sure that the seat is installed under the wastegate?

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post #3 of 4 Old 11-29-2012, 10:12 PM Thread Starter
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Quote:
Originally Posted by turbodreams View Post
Did you make sure that the seat is installed under the wastegate?
Yes thanks seat is installed.

02 Roush, Livernois stage 1 cams, eaton posi, qa1 kmember, highly modified on3 turbo kit
Turbo numbers 415 rwhp 458 rwtq
Stupidity is a sexually transmitted disease
CG hot side T6 turbo under way
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post #4 of 4 Old 11-29-2012, 11:49 PM
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Do a visual on the diaphram and a vaccum test on the gate

I also had a similar issue and my valve was sticking, 7yr old gate and TiAL replaced valve/seat no charge.

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