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Helpful ReplyHot!1990 white GT

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kojab
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Re: 1990 white GT 2019/04/30 19:57:00 (permalink)
0

 
Picture from my 3SGTE powered AW11.  My Wideband sensor is positioned in the bottom section of the dump pipe just before it joins the horizontal section that goes to the rear muffler.  My thoughts at that time was, this seems a little bit close to the exit of the turbo.  Sure enough it was, as logging at Wakefield park the WB sensor over heated and dropped out under full boost.  I have since fitted a crude but simple heat sync (seen in this picture) which so far has cured the over heating and I now have WB air/fuel ratios under full boost to review.
 
If you are not logging the kind of things that keep your engine out of danger under full load then you probably won't see the things that I know are important.
 

Attached Image(s)


92' SW20 3SGTE   GEN2 GT Hardtop
87' AW11 3SGTE   Now Delco EFI ecu & 21 psi boost
71' KE25 3TGTE    Delco EFI ecu. Unopened std engine 24 psi boost
78' KE55 L67        Delco EFI ecu
#211
kojab
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Re: 1990 white GT 2019/04/30 20:19:43 (permalink)
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Carmikey
kojab

Sad to have to tell you but that bung is too close to the turbo.  You can make up a heat shield to go under the WB sensor using some sheet aluminum.

Personally I don't see the problem. What do you mean exactly? Its the same setup I have on my turbos.

Sent from my SM-J320ZN using Tapatalk



Carmikey Just curious are you logging your cars at Wakefield? 
 
Would be great to see some real time race track logs from anyone. Great learning experience.
Anybody doing this kind of thing?
 

92' SW20 3SGTE   GEN2 GT Hardtop
87' AW11 3SGTE   Now Delco EFI ecu & 21 psi boost
71' KE25 3TGTE    Delco EFI ecu. Unopened std engine 24 psi boost
78' KE55 L67        Delco EFI ecu
#212
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Re: 1990 white GT 2019/04/30 20:19:59 (permalink)
+1 (1)
I have mine close to the end of the dump pipe away from the fires of hell.

Mr Glengineering.
Please visit my other forums - 
www.celica.org.au
www.classic-ford.org
 
 
My build thread - https://www.mr2australia..m/mr2play/FindPost/47893
#213

Carmikey
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Re: 1990 white GT 2019/04/30 22:38:55 (permalink)
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kojab
Carmikey
kojab

Carmikey Just curious are you logging your cars at Wakefield? 
 
 
No logging. But my mistake, mine is also located at the end of the dump pipe as Glenns has stated.

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#214
Falcon
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Re: 1990 white GT 2019/05/01 10:13:18 (permalink)
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As kojab states. Wideband sensor needs to be down the other end of dump pipe. Tried mine near turbine end and it wasn't happy.
#215
Deevon
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Re: 1990 white GT 2019/05/02 09:24:49 (permalink)
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4th times the charm then I guess haha.
 
Will pull it out and have another crack!
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Deevon
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Re: 1990 white GT 2019/07/26 15:48:38 (permalink)
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Sold our house, which included my shed :,( so the car is now in a storage shed.
 
Anyway, bought these for the day it returns to me:
 


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#217
Deevon
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Re: 1990 white GT 2019/08/26 11:56:55 (permalink)
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I pulled out the accelerator cable and had the cable replaced (it was frayed at the throttle body). Put that back in on Sunday and went for a little drive. Running well but has a small oil leak.
 
I broke the clip that holds the cable to the firewall just behind the intercooler, if anyone wants to save me searching for the part number and let me know it that would be AMAZING!.
 
Working on the car in the storage shed is a nightmare so not much will be done for a few months, but sadly it hasn't stopped me ordering parts.
#218
Deevon
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Re: 1990 white GT 2019/09/06 09:13:26 (permalink)
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New ceramic coated Berk dump turned up yesterday. Now I can swap out the one in the car and not have to worry about welding a new bung in.
 

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#219
Deevon
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Re: 1990 white GT 2019/09/11 14:36:48 (permalink)
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And this part will either go on my car or into my superannuation the way they are being priced:
 

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#220
Deevon
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Re: 1990 white GT 2019/09/18 14:57:18 (permalink)
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Something else I bought and forgot to post up:
 

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#221
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Re: 1990 white GT 2019/09/18 16:24:55 (permalink)
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Nice!!!

Mr Glengineering.
Please visit my other forums - 
www.celica.org.au
www.classic-ford.org
 
 
My build thread - https://www.mr2australia..m/mr2play/FindPost/47893
#222
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