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VeeP
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WA
Registered:
May 2005
Re: 8psi extra, 10rwkw extra? Sat, 16 July 2005 00:56 Go to previous messageGo to previous message

Big boost increases followed by small power gains are indicative of the turbo reaching and surpassing maximum efficiency. Im not familiar with a ta45, but im sure it cant be smaller than a GT2540, in which case i would doubt its your turbo becoming inefficient.
Im pretty sure the early VVTi systems can only change the inlet cam timing, usually from like 18deg to 8deg or something, and this is to extend the torque curve, and flatten it off at its peak instead of letting it drop off. Check that your cam timing is infact correct. Make sure there are no boost leaks (u may have inadvertently countered for these during the tuning). Perhaps you can infact run more boost on the turbo and it is yet to become highly efficient?

Btw, having a hot day will make a HUGE difference to power output, especially at high boost, and my inlet temps are far lower than urs. . .
on my IG-GTE (zorst + 15pounds boost + intake) i am usually sitting on 35 - 38 deg inlet temps on a 18 degree day. . . look into that too!

Can ur mechanic not make any suggestions?
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SubjectPosterDate
Read Message   8psi extra, 10rwkw extra? Chris DaveyFri, 15 July 2005 23:33
Read Message   Re: 8psi extra, 10rwkw extra? RallystanzaFri, 15 July 2005 23:44
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 00:04
Read Message   Re: 8psi extra, 10rwkw extra? boredSat, 16 July 2005 00:50
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 02:37
Read Message   Re: 8psi extra, 10rwkw extra?  VeePSat, 16 July 2005 00:56
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 02:42
Read Message   Re: 8psi extra, 10rwkw extra? Special EdSat, 16 July 2005 01:14
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 02:43
Read Message   Re: 8psi extra, 10rwkw extra? Special EdSat, 16 July 2005 01:17
Read Message   Re: 8psi extra, 10rwkw extra? SoarerTue, 19 July 2005 07:57
Read Message   Re: 8psi extra, 10rwkw extra? Mr DOHCTue, 19 July 2005 10:48
Read Message   Re: 8psi extra, 10rwkw extra? 82MKIITue, 19 July 2005 11:05
Read Message   Re: 8psi extra, 10rwkw extra? Mr DOHCTue, 19 July 2005 11:33
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 03:25
Read Message   Re: 8psi extra, 10rwkw extra? AllanSat, 16 July 2005 04:21
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 04:25
Read Message   Re: 8psi extra, 10rwkw extra? AllanSat, 16 July 2005 04:44
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 05:33
Read Message   Re: 8psi extra, 10rwkw extra? AllanSat, 16 July 2005 05:47
Read Message   Re: 8psi extra, 10rwkw extra? KOFFEE-BLACKSat, 16 July 2005 05:56
Read Message   Re: 8psi extra, 10rwkw extra? mc68Sat, 16 July 2005 16:04
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 06:27
Read Message   Re: 8psi extra, 10rwkw extra? AllanSat, 16 July 2005 06:37
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 08:31
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 08:36
Read Message   Re: 8psi extra, 10rwkw extra? thechucksterSat, 16 July 2005 08:49
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 09:11
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 09:17
Read Message   Re: 8psi extra, 10rwkw extra? oldcorollasSat, 16 July 2005 11:07
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySun, 17 July 2005 02:37
Read Message   Re: 8psi extra, 10rwkw extra? AllanSun, 17 July 2005 03:28
Read Message   Re: 8psi extra, 10rwkw extra? improvedae86Sat, 16 July 2005 11:15
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 16 July 2005 15:08
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySun, 17 July 2005 02:40
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySun, 17 July 2005 09:19
Read Message   Re: 8psi extra, 10rwkw extra? oldcorollasSun, 17 July 2005 13:49
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySun, 17 July 2005 21:19
Read Message   Re: 8psi extra, 10rwkw extra? Mr DOHCMon, 18 July 2005 09:54
Read Message   Re: 8psi extra, 10rwkw extra? 1JZ.747Tue, 19 July 2005 01:30
Read Message   Re: 8psi extra, 10rwkw extra? oldcorollasTue, 19 July 2005 02:36
Read Message   Re: 8psi extra, 10rwkw extra? KyoshoSun, 17 July 2005 06:26
Read Message   Re: 8psi extra, 10rwkw extra? E30-323tiSun, 17 July 2005 07:32
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyMon, 18 July 2005 22:35
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 03:00
Read Message   Re: 8psi extra, 10rwkw extra? JustenGT4Tue, 19 July 2005 03:40
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 04:07
Read Message   Re: 8psi extra, 10rwkw extra? JustenGT4Tue, 19 July 2005 04:50
Read Message   Re: 8psi extra, 10rwkw extra? AllanTue, 19 July 2005 04:15
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 04:19
Read Message   Re: 8psi extra, 10rwkw extra? AllanTue, 19 July 2005 04:21
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 04:28
Read Message   Re: 8psi extra, 10rwkw extra? AllanTue, 19 July 2005 04:30
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 04:42
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 04:57
Read Message   Re: 8psi extra, 10rwkw extra? JustenGT4Tue, 19 July 2005 05:27
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 05:36
Read Message   Re: 8psi extra, 10rwkw extra? bbaacchhyyTue, 19 July 2005 05:51
Read Message   Re: 8psi extra, 10rwkw extra? oldcorollasTue, 19 July 2005 06:01
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 06:10
Read Message   Re: 8psi extra, 10rwkw extra? oldcorollasTue, 19 July 2005 06:51
Read Message   Re: 8psi extra, 10rwkw extra? MS-75Tue, 19 July 2005 07:22
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 10:43
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyTue, 19 July 2005 21:52
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 02:36
Read Message   Re: 8psi extra, 10rwkw extra? 1JZ.747Wed, 20 July 2005 02:41
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 03:01
Read Message   Re: 8psi extra, 10rwkw extra? 1JZ.747Wed, 20 July 2005 05:21
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 05:31
Read Message   Re: 8psi extra, 10rwkw extra? gianttomatoWed, 20 July 2005 05:38
Read Message   Re: 8psi extra, 10rwkw extra? gianttomatoWed, 20 July 2005 05:45
Read Message   Re: 8psi extra, 10rwkw extra? THE WITZLWed, 20 July 2005 04:38
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 04:43
Read Message   Re: 8psi extra, 10rwkw extra? 1JZ.747Wed, 20 July 2005 05:34
Read Message   Re: 8psi extra, 10rwkw extra? MerudoWed, 20 July 2005 05:37
Read Message   Re: 8psi extra, 10rwkw extra? 1JZ.747Wed, 20 July 2005 06:08
Read Message   Re: 8psi extra, 10rwkw extra? THE WITZLWed, 20 July 2005 07:25
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 07:28
Read Message   Re: 8psi extra, 10rwkw extra? Mr DOHCWed, 20 July 2005 08:16
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveyWed, 20 July 2005 11:50
Read Message   Re: 8psi extra, 10rwkw extra? Chris DaveySat, 23 July 2005 02:49
Read Message   Re: 8psi extra, 10rwkw extra? MS-75Sat, 23 July 2005 06:20
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