been a while since an update, not a huge amount has happened, but what has been refreshed has helped the performance and overall feel of the car.
namely, trying to port the oem wastegate ports due to suffering from boost creep, renewing turbo gaskets and fitting the new powerflex race engine mounts!
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had a bit of a task removing the oem turbo, had to take it out all in one, mani/turbo and downpipe in one piece.
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upon doing this i snapped an exhaust manifold stud! doh!
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inspecting the turbo i found a few things.
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**its a fair size bigger than the oem ct26 turbo, with what i can only assume is a small restrictor bevel infront of the blades
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(to stop surge maybe?).
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**also found a pin sized hole in the exhaust housing, random.
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**discovered the exhaust manifold gasket was blown, 1 mani stud completely missing, another only loose and the manifold to turbo gasket cracked.
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**the actuator bracket has a washer behind it, helping put some preload on the actuator arm i assume, but still not enough
first up comparing actuator arm level position
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i compared actuator arm position to an oem ct26 i lent from mrturbotom, it seems out the factory, the levers for the flapper can be found to be in different positions!
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**way to get round this was i added a couple of extra washers to give the actuator arm on mine a bit more preload to match the preload i could feel and see on toms.
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my ct26 hybrid turbo
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old preload and position with 1 washer
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(how my car came)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/C6626F1D-6DF8-45F4-8485-BD827AE0E1DA-339-0000002394436370_zps05a99995.jpg)
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no washer, basically no preload!
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/9FC34DF6-122E-46A7-92FF-3BB1650218F3-339-000000239CEE3BB4_zpse2111f02.jpg)
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new preload with 3 wahsers!
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/8C31A6A9-5DFE-49A2-A409-2B40783BC9DC-339-0000001F1B9CC1BE_zpsd4be6d6c.jpg)
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flapped 100% open, note at 90degrees!
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/F9D0F2A4-F94D-43B2-AB9F-C92CED6DCD93-339-0000001F21AABB80_zpsa946b8ee.jpg)
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toms oem ct26 turbo which i tried to match
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/027E3440-1043-4FC6-9562-B0CA6D8AC7E0-339-0000001F2D5758F5_zpsff81db04.jpg)
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note flapper past 90degrees when 100% open, so is clear the arm bracket had been welded at a different angle
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/11F9247E-C913-487A-82ED-3D10B92DEDD4-339-0000001F275F159F_zpsf593d2ae.jpg)
oem ct26 turbo compressor housing
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/F07464ED-12C0-45A3-B7D7-12211DF8F489-339-000000215B7CBF0D_zps5a856e89.jpg)
my ct26 hybrid compressor housing
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/37495CA4-CE66-4A34-A000-B68541CA46AF-339-000000216183FBE4_zps2fcedbf2.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/C3494638-939C-47F6-8471-864A4F1A2F62-339-0000002167DB8AB4_zps0ac109af.jpg)
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bevel in the inlet
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/ECB85B9B-1A34-4F0B-B708-50F58345E944-339-000000216DBB168B_zps6fed99bc.jpg)
snapped exhaust mani stud!![](./images/smilies/spacer.gif)
thankfully with the help of mrturbotom, we got this out, phew!
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/BB14A81C-FCE5-4AE4-AA72-18016AC57472-1165-00000085FA32477E_zps9b7f20b3.jpg)
sorting pinhole in turbo exhaust housing out
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i decided to drill and tap the hole, and use some thermosteel liquid weld
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(good for 2000f) to keep it in place and help seal.
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/F6C8F682-0F64-4017-B18B-A54A0B1F55ED-2161-0000014A5E871905_zps25b2421c.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/C08E2F1A-3F39-406E-9CE6-1859246CD14E-282-00000012FC2A1DB8_zps6119d41f.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/803D53A0-F490-454A-814B-A4D1911D5137-2691-0000016D4D7CB378_zps36445902.jpg)
turbo back on with some new parts from Toyota
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exhaust mani gasket
mani to turbo gasket
turbo water feed gasket
turbo oil feed gasket
turbo return feed gasket
few new exhasut mani studs and nuts
hfh
also on the to do list, NS driftshaft oring/seal
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/9B9CAA92-B569-403A-8EE1-80180571716A-2691-0000016EE4A27CB2_zpsedb560d4.jpg)
porting progress![](./images/smilies/spacer.gif)
required some of these carbide burr drill bits
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/8B9060E0-8DF2-4372-BB30-6C7A1DBBC982-282-0000001304B690B8_zps803ecd1a.jpg)
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wastegate ports went from this
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/FC27AE9B-D265-41A3-9D8F-38F24A6BF780-228-0000000D183AA239_zps4d5b12e0.jpg)
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to this after many hours!
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/8E54BE94-4C46-40EF-86D6-9613A78AC27F-1732-000000E5DAC9F6B5_zps7e85a9f6.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/3D0A5890-2828-4E16-9D53-D5A5DCD658CD-1732-000000E5E41888BF_zpse44ed911.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/664726D5-9466-49E2-A0B2-03A98885329C-1732-000000E5ED97EDE2_zps505a08f5.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/747636C0-92DA-4793-AA11-0D9EC4D2B6BF-1732-000000E63C83C3F2_zps68466707.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/1D178F32-FD66-4B30-81DF-29E2CD702016-1732-000000E644316A54_zps619de60b.jpg)
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hfh installed
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/ACCC7917-F846-483B-856D-44949E12630F-2691-0000016D59EBB2AD_zpsed8d390a.jpg)
new race engine mounts from powerflex
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/B0580E1C-CBC9-4559-B467-8338001128BC-1732-000000E5D1F65EA8_zps6016df66.jpg)
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![Image](http://img.photobucket.com/albums/v326/jimbob_uk20/rev4%20tubby/2DCF31BA-4048-4971-A983-F5DD68CFB2B2-1732-000000E5C0F62F04_zps092952d6.jpg)
report of all the above installed
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the car certainly feels stronger, not massively, but now i can feel what can only be described as a stronger pull midrange.
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i believe this to be down to replacing the blowing manifold gasket and bolting it down to spec
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(38lbft), did fixing the pin hole in exhaust housing help, who knows, but worth doing as well as replacing the mani-turbo gasket
boost creep
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there is still some, which is mildly annoying, but given the above, removing and renewing alot of the turbo side was worth the hassle.
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but i can report it is not as bad as before, and given the cold weather we have, i can only imagine some warmer temps, this will be better.
engine mounts
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the engine feels more part of the car when shifting, sure, ive now discovered a bit more idle vibration, but worth it and should help fast shifting
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i have some goodies coming in the next few weeks/month or so
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i
WILL![](./images/smilies/spacer.gif)
be replacing the Work alloys, to some rare JDM one piece alloys, pics soon!
i will also be replacing my ebay strut braces with some more rare items, pics and details of those soon also!
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only other minor mods needed is to find a permanent location for my Water Injection cabin switch and LED