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Turbo's loosing boost at high rpm?

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Old May 14, 2002 | 11:21 PM
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From: canada
Turbo's loosing boost at high rpm?

Hey Guys,

When accelerating at WOT in 3rd gear,

4500 rpm 12 pds...
about 5000 rpm 14 - 15 pds...
about 6000 rpm 13 pds...
then 7000 rpms 12 pds...

I have a street ported engine and ported wastegate.
I am currently using a 67 pill in the wastegate line to control boost. What could I do to keep a constant or
closer to 14 15 pds or boost all the time.

mods are: Pettit ecu / M2 large IC / Crane hi-6 /
N-tech intake / full exhaust / ported engine and wastegate / 4.3 gears and Kazz / rotary perf.
fuel pump/

thanks j.
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