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 Post subject: turbo
PostPosted: Tue Jan 29, 2013 7:55 pm 
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Group N

Joined: Fri May 28, 2010 11:55 am
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Location: launceston cornwall
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been offerd a ct20 turbo off a 2l twin turbo supra just want to know if its a straight fit or a adaptor to git it with

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 Post subject: Re: turbo
PostPosted: Tue Jan 29, 2013 8:38 pm 
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Joined: Tue Apr 10, 2012 9:27 am
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Location: Chirnside, Scottish Borders
Car Model: ST205
for some reason i think its single entry and no good, probably talking rubbish though

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 Post subject: Re: turbo
PostPosted: Tue Jan 29, 2013 8:42 pm 
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Group N

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Location: launceston cornwall
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i tried doing reseach but theres so many diffrent types but apparently there is a few twin turbos that fitted twin entry turbos

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 12:15 am 
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Joined: Sat Sep 02, 2006 3:13 pm
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Location: Bournemouth
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As far as I'm aware the supra turbo is single entry, and in any case will be optimised for a completely different engine.

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 1:04 pm 
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Joined: Sun Oct 09, 2005 9:58 pm
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Location: South Wiltshire
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sketchmyster wrote:
been offerd a ct20 turbo off a 2l twin turbo supra just want to know if its a straight fit or a adaptor to git it with



:arrow: :idea: How about if you get a picture off the seller of the manifold and downpipe flanges of one of the turbos on this 2L twin turbo'd supra , you will soon see if it will bolt up by comparing to pictures of an ST185 and ST205 turbocharger...


:)

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 1:27 pm 
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Location: Bournemouth
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If it is a 2L and twin turbo, then the turbos will be designed for 1L each so would run out of puff or explode on a 2L. They would probably be giving good boost on idle though :lol:

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 2:09 pm 
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Joined: Thu Jul 14, 2005 12:44 pm
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Location: drinking devil fuel
Car Model: ST205
It might be the 2l Toms JTCGCCGTGC..er..C Supra in which case i'd say worth following up on

Or follow Gary's excellent advice. Photos + eyeball mk1


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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 6:25 pm 
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Location: Chirnside, Scottish Borders
Car Model: ST205
your better off getting other modifications 1st,i agree with nibbles in so far as it wont be optimised

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 6:49 pm 
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Group N

Joined: Fri May 28, 2010 11:55 am
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Location: launceston cornwall
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luckerly its a ct20 off a st205 ( the guy forgot he had one )

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 Post subject: Re: turbo
PostPosted: Wed Jan 30, 2013 8:13 pm 
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Location: South Wiltshire
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sketchmyster wrote:
luckerly its a ct20 off a st205 ( the guy forgot he had one )


luckily? ct20 > that is off a landcruiser or similar...

what is the 5 digit part number embossed on the "foot"

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^^^ basically you need to know that the last 5 digits of the 10 digit xxxxx-xxxxx pat number are found on the hotside of Toyota turbochargers.
Makes them easy to identify. Eg ceramic vs inconel ST185 vs St205 etc etc

eg 74060 or 74070 or 74080 etc

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 Post subject: Re: turbo
PostPosted: Thu Jan 31, 2013 8:19 am 
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Location: Chirnside, Scottish Borders
Car Model: ST205
i thought the st205 used a c20b turbo, that list says ct26c2.

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 Post subject: Re: turbo
PostPosted: Thu Jan 31, 2013 10:58 am 
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CT20B is more of a defacto name than an infacto Toyota code

It's so common that most just roll with it rather than creating increased confuddlement


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 Post subject: Re: turbo
PostPosted: Fri Feb 01, 2013 4:57 pm 
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Location: South Wiltshire
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jgtcracer wrote:
i thought the st205 used a c20b turbo, that list says ct26c2.


:!:


c20b is NOT a celica / MR2 turbocharger. nor is the CT20b
The ST205 turbocharger has been mis-named for as long as i have been an owner!



However there is a CT20BRB turbocharger as used on the Corolla WRC rally car.



The above list is correct. The ST205 uses a CT26 type turbocharger. ID it from the 5 digit part number

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 Post subject: Re: turbo
PostPosted: Fri Feb 01, 2013 8:02 pm 
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Joined: Wed Jul 13, 2005 12:06 am
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Location: Perth, Western Australia
Car Model: ST205
I would be interested to know the source of the list in your post Gary?

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