D1x z06 not getting full boost

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Sep 23, 2020 | 09:01 PM

Kennybhybrid

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Joined: Dec 2015

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From: New Jersey

D1x z06 not getting full boost

Hello. Anyone else have this issue? Car has tsp 427, ai heads, iw balancer, fuel system, meth, etc. car made 1020whp on dynojet @17lbs on c85. Went to atco recently n the car did 139mph but logged 9lbs a boost. Logged on the street today n only seen 8lbs. Belt seems tight. What else should i check?

Sep 24, 2020 | 10:27 AM

MysteryMob

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Check your bypass valve to make sure it's fully closing. And check all the piping to make sure nothing walked its way off and is allowing air to escape. Can also happen with the connection at the TB.

Sep 24, 2020 | 10:35 AM

Pb82 Ronin

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Joined: Oct 2012

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From: Out back

Yep.

Sep 24, 2020 | 02:39 PM

Dano523

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Joined: Dec 2013

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What intake manifold, since some (most really) of the after markets units, will not hold boost/leak under pressure instead?

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