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soon to be turbo b18c1

Old 04-Aug-2006, 07:31 AM
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soon to be turbo b18c1

i have a kit sitting at home and just waiting to be bolted on, i just need the oil feed/return lines run and bigger injectors...it's set at 7psi with an internal wastegate. its already custom fitted for a b18 c1 in an ek... i have been doing some research on what kind of numbers i should expect... i found this dyno of a stock gsr, stock exhaust and etc with 10lbs of boost i believe...

does this seem realistic or close to what i could get? i am more interested in the torque it will make... how much torque would you need in an ek to really feel sucked back in the seat when the throttle is pushed? i am thinking like 180ft-lbs or so should do the trick?






^^^^^^^^^^^^^^^
seems like a nice power curve too, no drop-off at vtec crossover as well...
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Old 04-Aug-2006, 08:51 AM
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possible...but not guaranteed cuz every motor is different....you need good tuning to reach that with 7psi with stock internals....


i sat in an eg hatch boosted with little over 200wtq....it pulled me pretty good.....with that being said, if you love torque that much, get a viper=P...yes i am serious, that's one mean torque machine
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Old 04-Aug-2006, 08:58 AM
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When I had my old setup, I thought I was pushed into the seat quite nicely haha. Well, maybe not....

I am sure you will get used to 180wtq quite soon, then you will want some more. There is no end to this.
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Old 04-Aug-2006, 11:24 AM
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hp numbers depend greatly on the tuner and your set-up.

If you listed your set-up you could get a very, very rough estimate since we don't know what condition your engine is in or who the tuner will be.
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Old 04-Aug-2006, 12:01 PM
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my boy had a bone stock b16, greddy kit, 8psi, 2.5" i/c piping, 2.5" dp flared to 3", 3" catback and he made 266whp and 18xwtq on a dynojet. to me 230whp & 179wtq for a turbo is weak sauce. there are b20v's making more hp than that and there are K24's out there making numbers very similar to the graph you posted. for me, i think i would need 350whp to be happy. because its not too hard to make 230whp all motor nowadays. its (n/a) expensive, and more reliable...but not hard.
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Old 04-Aug-2006, 06:04 PM
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Originally posted by 95civic_hb
possible...but not guaranteed cuz every motor is different....you need good tuning to reach that with 7psi with stock internals....


i sat in an eg hatch boosted with little over 200wtq....it pulled me pretty good.....with that being said, if you love torque that much, get a viper=P...yes i am serious, that's one mean torque machine
Why buy a viper... can we come track in your driveway peter if we get one? .. jerk haha
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Old 04-Aug-2006, 06:28 PM
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Originally posted by Bryce


Why buy a viper... can we come track in your driveway peter if we get one? .. jerk haha
why a viper?...because i sat in one and it pulled more than any other boosted civic out there....
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Old 04-Aug-2006, 07:31 PM
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i agree with m_power (like always)....230whp out of a boosted GSR is weak sauce.
I've seen stock b16s make 350whp....mind you that prolly won't last too long b/c it was at almost 15psi.

Seriously mike, get your engine running **** before you put on your turbo setup, b/c that will only make troubleshooting even harder. And will increase the possibility of more problems/serious damage.
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Old 05-Aug-2006, 03:53 AM
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Originally posted by chris_si98
hp numbers depend greatly on the tuner and your set-up.

If you listed your set-up you could get a very, very rough estimate since we don't know what condition your engine is in or who the tuner will be.

set-up is as follows: well, as much as i know i am not 100% sure what all the parts are called..


turbo set-up
-toyota supra ct 26 turbo 7psi internal wastegate
-2 1/2" downpipe
-2 1/2" charge piping/intercooler piping
-24" front mount intercooler (5-6" width)
-Turbosmart Vee Port BOV
-custom turbo manifold

engine/exhaust set-up
-stock gsr (compression tested... 215, 215, 210, 215)
-jdm s80 gsr LSD tranny
-2 1/2" straight pipe mandrel bent (rsr gt2 muffler)
-440cc injectors

not sure if i am missing anything important. Also, i am planning on getting zeeman to do the tuning if it can be arranged around when I get it installed.
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Old 05-Aug-2006, 07:35 AM
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it isn't absolutely needed, but i'd recommend a 3" dp and exhaust if you are aiming at 200+hp. that turbo is used to putting out 225hp on the engine it came with from the factory.
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Old 05-Aug-2006, 09:15 AM
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it might be a 3" downpipe, it looks bigger than the other piping, i just don't have anything to measure it... lets say its 3" for now.
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Old 05-Aug-2006, 10:27 AM
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im with aaron. Upgrade all your exhaust pieces to 3".. you'll get much better results.. especially with a ct26. Do you know what trim turbo it is?
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Old 05-Aug-2006, 11:19 AM
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nope... what is it?

is the ct 26 a decent sized turbo? if i am using my current 2.5" as opposed to a full 3"exhaust setup including the downpipe what could my potential power diferences be. won't there be more lag in the spool up time if i am running 3"exhaust?
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Old 05-Aug-2006, 01:17 PM
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Originally posted by mikepasini
nope... what is it?

is the ct 26 a decent sized turbo? if i am using my current 2.5" as opposed to a full 3"exhaust setup including the downpipe what could my potential power diferences be. won't there be more lag in the spool up time if i am running 3"exhaust?
3" for sure, !!
this is a recent thread from honda-tech
http://www.honda-tech.com/zerothread/1668017

2.5 crush bent vs 3 madrel bent, no other differences made
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Old 05-Aug-2006, 01:33 PM
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ya but mark thats at high boost levels..i know guys at around 200whp upgraded from 2.5" to 3" and they gained like 5-10whp. They said they couldn't even feel the difference.

But i would still upgrade to 3" because guaranteed, you will want more boost and better numbers.

Yes ct26 is a good sized turbo, from what i remember they came off the 88-91 mr2's and supra's right? And yes a 3" exhaust will help spool time
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