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Kinugawa 25g turbo thread

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Old Dec 18, 2011, 08:54 AM
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Kinugawa 25g turbo thread

Hello. A few weeks install this turbo for my Evo 5. I have a problem of pressure but will be adjusted for 30psi peak and 26psi to redline. Now boost is 21psi all the time.
The engine is:

2.0L Forged, Evo 8 MR Cams,Intake 80mm, Exhaust 3" and E85 pump.

I hope you like !!

first graph:










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Old Dec 19, 2011, 01:51 AM
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this is interesting. cause that is no 25g copy of mitsu wheel. that compressor wheel is 5 blade!

the torgue curve looks awesome. but the hp curve looks like its not from same run. something is not right with those numbers.

do you have a link where you got turbo from?
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Old Dec 19, 2011, 04:12 AM
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what are you using to control boost ??


like this

http://www.ebay.co.uk/itm/Anti-Surge...item19c4b2a26d

Last edited by todd6027; Dec 19, 2011 at 04:14 AM.
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Old Dec 19, 2011, 01:06 PM
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Yea, we need to see a better graph. However, if the torque numbers are true and correct, thats pretty damn good then. lol 300 ftlbs shortly after 3500 and 400 ftlbs just after 4000.
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Old Dec 19, 2011, 03:14 PM
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This is the link:

http://shopping.kinugawaturbo.com/ki...0ps-4-3-1.aspx

The graph is in 3r gear. I have to do another test with more boost,28-30psi max.

Use a AEM boost controller and 22 psi wastegate.

The fuel is not full E85 tank. Aprox 60% mixing.
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Old Dec 19, 2011, 04:00 PM
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so 21psi netted you 520 wtq and 441 whp? Can you be more specific with your mods? What are you tuning with? why aren't your hp and torque crossing at 5252rpm?
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Old Dec 19, 2011, 04:43 PM
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Yeah that dyno graph doesn't match up. The math for hp = (2*pi*(torque)*RPM)/33000 which would make him 525 hp at 5252 not whatever is shown on that graph. It would also equate to 599.76 hp at 7k RPM and not the 450 it is close to in that graph...
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Old Dec 20, 2011, 02:36 AM
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The Graph is a HP at the flywheel and the torque is in NM
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Old Dec 20, 2011, 04:22 AM
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Yo no sabia que tenian E85 en españa. Mirando a tu graph, me parace que estas perdiendo HP con esos cams. Con GSC S2 creo que puedes ganar unos cuantos mas HP por todos lados.

De cualquier manera se ve que tu Evo tiene "polenta" como decimos en Argentina!
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Old Dec 20, 2011, 11:39 AM
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Originally Posted by olmoscd View Post
Yo no sabia que tenian E85 en españa. Mirando a tu graph, me parace que estas perdiendo HP con esos cams. Con GSC S2 creo que puedes ganar unos cuantos mas HP por todos lados.

De cualquier manera se ve que tu Evo tiene "polenta" como decimos en Argentina!
Hola. Si, por aqui empezamos a tener algunas gasolineras de E85, poco a poco se va viendo mas. Las levas creo que son el mayor problema para seguir adelante con mas potencia, voy a tener que cambiarlas. He mirado GSC 2, BC Stage 2, o bien PiperCams de 274º.

Un saludete !!!!
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Old Dec 20, 2011, 12:00 PM
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Originally Posted by JSPturbo View Post
Hola. Si, por aqui empezamos a tener algunas gasolineras de E85, poco a poco se va viendo mas. Las levas creo que son el mayor problema para seguir adelante con mas potencia, voy a tener que cambiarlas. He mirado GSC 2, BC Stage 2, o bien PiperCams de 274º.
Un saludete !!!!


go with the s2
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Old Dec 20, 2011, 12:42 PM
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Can we do English, please, so we all can join in on the discussion?
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Old Dec 20, 2011, 01:23 PM
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Yes, Sorry for the off topic

The Stock Cams will be a problem maybe. This week try again with 27psi of boost. GSC2 cams is great option for best results.
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Old Dec 24, 2011, 08:23 AM
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So the compressor inlet in that Kinugawa turbo is 80 mm? It would be interesting to see a Virtual Dyno plot set to dynojet and whp. How does it drive, much laggier than the stock turbo?

Thanks for posting,

Ricardo
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Old Dec 25, 2011, 04:01 PM
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Hello. this is the graph on virtualDyno: The inlet is 80mm.

Note the response is somewhat slower,maybe i lost 500-700rpm for full spool.

The power, is at the engine in the graph.

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