CT20B

Q&A regarding engines, turbos, and intercoolers and power upgrades

Postby Gary » Thu Aug 26, 2004 2:17 am

Kyoto wrote:I too have been looking into getting one of these for my 165 however out of the two places i called thus far, one of them basically laughed at me, and the second said i would have real problems locating one without buying a front-cut. I am in Melbourne, Australia by the way...

So i have two questions. Have you guys found them hard to come by in the states? And secondly, wll i need to upgrade my fuel system to run the 20b? if so what with?

Cheers

Not really, if you are planning to keep it at stock boost.
They show up now and then on Ebay and on MR2 board.
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Postby Mad1 » Fri Aug 27, 2004 6:44 pm

if you are looking for a 20b or a modded 26 then do a search for "MIDNBLUE" on ebay I have just bought a 26 with T4 47mm trim and its nice, he also does fully recon 20b if you offer him $500 - $550 he will take it, then after shipping it will be about $650 maybe a little more,
still 100% worth it
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Postby Kyoto » Tue Aug 31, 2004 4:59 am

Thanks for help Gary. I have been reading various info for the last hour and haven't been able to find the answer to my question, though i could have sworn i've read it somewhere before. Anyway, I recently purchased an Aussie 3" DP/CP/Cat combo and was wondering if there is much hassle getting the 20b to fit to this setup, if it's at all even possible? I know its a bolt-on to the 185 manifold so I imagine its just a case of minor modding but i would like to be sure before spending the money...
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby Gary » Tue Aug 31, 2004 6:00 am

CT20B will bolt on to ST185 exhaust manifold and Aussie downpipe. You just need to remove the extra stud on the flange.
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Postby Kyoto » Tue Aug 31, 2004 8:33 am

Cheers for that Gary, 165 also?
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby ChrisD » Tue Aug 31, 2004 2:13 pm

edit
Last edited by ChrisD on Thu May 06, 2010 4:36 pm, edited 1 time in total.
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Postby Kyoto » Wed Sep 01, 2004 10:27 pm

Thanks Chris. Are there any issues in fitting the 185 manifold to the 165 head? The price i can probably pick the CT20b up for should almost certainly allow for work of this nature. :)
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby ChrisD » Thu Sep 02, 2004 2:31 pm

edit
Last edited by ChrisD on Thu May 06, 2010 4:35 pm, edited 1 time in total.
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Postby Kyoto » Thu Sep 02, 2004 10:18 pm

Cheers Chris et al :)
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby Kyoto » Sun Sep 19, 2004 9:48 am

A few weeks ago i bought what looks to be a CT20B. I say it looks like a 20B because i haven't seen it yet, but from the seller's picture on eBay the compressor housing was 20B so...

Anyway, the pic only had the compressor housing and the wheels, ie no ancillaries such as a manifold, heat shield, oil/water lines.

What i would like to know is whether or not the CT26 ancillaries (more specifically the oil and water lines, and wastegate etc) are interchangeable. I know the heatshield prolly wont be but the other stuff im not too sure about.

Any help appreciated. :)
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby saved_1992 » Sun Sep 19, 2004 11:37 am

sent you a pm

i used the 185 heatshield just had to drill a hole for the mount on the turbo :wink:
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Postby lhoy12 » Sun Sep 19, 2004 2:55 pm

Have any of you heard of the CT27 from ATS? It will cost $850 with your core. There is a 4 part thread on the MR2 Board, over 350 posts in there.
There are 4 parts to the thread:
Part 1 - http://www.mr2oc.com/showthread.php?s=&threadid=39877
Part 2 - http://www.mr2oc.com/showthread.php?s=&threadid=40771
Part 3 - http://www.mr2oc.com/showthread.php?s=&threadid=49406
Part 4 - http://www.mr2oc.com/showthread.php?s=&threadid=52635

*Note, the jump in hp between runs is b/c they went from 2.5" dp to 3" dp

Here's a few dyno's from it:
Todd's car is a plain ol' 2.0

BTW that 17 psi pull was just a quick 3rd gear run, I wasn't really planning on testing at that boost (hence the poor tuning there) but thought some people might be interested.

Aaron
Image[/url]
Last edited by lhoy12 on Sun Sep 19, 2004 3:06 pm, edited 1 time in total.
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Postby lhoy12 » Sun Sep 19, 2004 3:05 pm

The CT27 is not just a CT26 with T4 46 mm upgrade. ATS won't release the specs, but the is torn apart, they do a complete makeover on the whole thing and replace oil seals etc. MR2 guys just can't wait to get their hands on one, it is $1150 but if you send them your CT26 then you get $300 back so it comes down to $850. So before you jump all over CT20B and spend $650-$750 which you will have to be pushing to its very limits to hit 300 whp, you may want to consider this turbo, it will be released shortly.
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Postby Kyoto » Mon Sep 20, 2004 2:01 am

Thanks for the prompt replies as always guys. I would buy the ATS CT27 except for one thing, money! I was able to pick up the CT20B for a song and a dance (about $350 USD) and the engine its going on is hella old (VIN 735!) so i don't really wanna push it without a host of longevity insuring products.

Cheers
Tim
Tim // Melbourne, Australia

1986 ST165. 152,000km on chassis
ST205 WRC engine / IC system / rear LSD with 82,000km
Blitz K1-380V
Apexi Power FC
Aussie 3" dump pipe to 3" catback system
TWM short shifter.
Whiteline front strut brace
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Postby stevieg » Mon Sep 20, 2004 2:04 am

BTW the CT20B WILL NOT fit on the 165 manifold, just spent 7 hours trying it and now i gotta pull it all back off, it is possible to physically fit the turbo but the 165 manifold places the downpipe aimed directly at the radiator.

will get pics tommorow

steve
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