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[All] [Turbo] standalone ecu boost spikes
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Al-sw20




Joined: 23 Jan 2005
Posts: 1595
Location: Christchurch, New Zealand
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1991 Toyota MR2 Mk2 Turbo Rev1

PostPosted: Thu Jun 08, 2017 3:21 am    Post subject: Reply with quote Reply with quote including images

Upgraded CT26 by any chance?
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adamshaw




Joined: 09 Jun 2005
Posts: 913
Location: Stourbridge, West Mids
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1998 Toyota MR2 Mk2 Turbo Rev5

PostPosted: Fri Jun 09, 2017 6:41 pm    Post subject: Reply with quote Reply with quote including images

thats the one .... how did you guess? settings seem ok ?
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jimGTS
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Joined: 14 Dec 2004
Posts: 13946
Location: North Kent
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1997 Toyota MR2 Mk2 Turbo Rev4

PostPosted: Fri Jun 09, 2017 7:05 pm    Post subject: Reply with quote Reply with quote including images

adamshaw wrote:
oh i tried turning set gain to 1.00 from 0.13 and had no power revs went turbo didnt hardly spool. back down to 0.13kpa and woosh turbo kicks in strong

not sure what that tells us? [thumleft]



Sounds odd to me. The idea of set gain is it's at this point boost controller takes over from the spring in the wastegate.
If anything it should spool quick and give you a potential spike, ha.

You need a nice straight empty road and take a good look at your gauge when out your foot flat to the floor.
The peak feature should also tell you the max boost you hit after the pull.
Ie it shot to 1.4 but then levelled off a 1.2.
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adamshaw




Joined: 09 Jun 2005
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Location: Stourbridge, West Mids
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1998 Toyota MR2 Mk2 Turbo Rev5

PostPosted: Mon Jun 12, 2017 7:51 am    Post subject: Reply with quote Reply with quote including images

Thanks guys

on idle its ticking over around -80. i know it should be negative buy should it read -99. i read somewhere it does otherwise a vacuum leak? but i tought anything around -75 was fine?
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Al-sw20




Joined: 23 Jan 2005
Posts: 1595
Location: Christchurch, New Zealand
Feedback Score: 0

1991 Toyota MR2 Mk2 Turbo Rev1

PostPosted: Sun Jun 18, 2017 6:09 am    Post subject: Reply with quote Reply with quote including images

Upgraded CT26s are reknown for unstable boost.
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