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Old 08-10-2006, 06:51 PM
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Default boost spikes

i have the drag kit. the turbonetics wastegate and the apexi boost controller would not hold boost at a certain psi. wat could that be. help
Old 08-10-2006, 07:16 PM
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Default Re: boost spikes (jdmfr3ak)

That manifold and wastegate combo is known to do that because of the small size of the wastegate and the wastegate placement.
Old 08-10-2006, 07:59 PM
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Default Re: boost spikes (jdmfr3ak)

my deltagate held great under 10 psi.
added a 38mm tial and it held 17 psi no issues.
Old 08-10-2006, 08:04 PM
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Default Re: boost spikes (siblues)

so ur sayin that i should go for a bigger and different brand of WG. which one should i go for. im want to boost 20 psi


that **** holds no boost at all do u think that it might be the controller. OR than again its the wg.
Old 08-10-2006, 08:09 PM
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Default Re: boost spikes (jdmfr3ak)

what size downpipe?
i think you may have another issue.
like i said, i had no issues with my 38mm tial and stock downpipe.
Old 08-10-2006, 08:36 PM
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kind of interesting you say that about the downpipe. I just went from my gay little 2.25" downpipe to a 3". I am using an internally gated Garret T3 super 60, and a Hallman ES manual boost controller. Before i had the downpipe upgraded to a 3", the boost held rock solid, now it spikes about 1-2 psi.
Old 08-10-2006, 08:40 PM
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Default Re: (94ex-vtec)

the problem is the placement of the gate on the drag manifold. it pulls exh off of one runner only, and a 3" dp exploits that even more.
Old 08-11-2006, 05:05 AM
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i have 2.25 dp
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