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Boost on primary is different when driven in different gears

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Old 08-08-04, 09:40 AM
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Boost on primary is different when driven in different gears

I just recently fixed my boost leak which was the coupling at the intercooler of the y pipe

In first gear i get 8 lbs until 2 takes over
2 gear is about the same
3rd gear i get 12 lbs of boost
and 4 th i get 10-12 lbs

I have intake ,full exhaust, manual boost controller, HKS PFC FCON,9.5 lb flywheel.
Any ideas !
Old 08-08-04, 11:33 AM
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Boost is load-dependent. Load is higher in higher gears.
Old 08-08-04, 12:35 PM
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are you sure your flooring it in 1st gear?
Old 08-08-04, 01:17 PM
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LOL yeah! Nice pIc scratchy

I don't understand it, when i floor it in 1st gear boost will go to 8 lbs, then i shift it to 2nd gear it will go to 14 lbs.

But normal driving if i'm in second already rolling, i'll punch it and i'll get 8lbs till 4,500 rpms then i'll get 14 lbs

from a normal acceleration in 3rd, i punch it,i'll get 12 lbs, till 4,500 rpms then 14.

I just need a single turbo !
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