G50 - Transmission Power Limit

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Clyons0203
Posts: 201
Joined: Fri Nov 11, 2005 4:45 pm
Car: SLK55, Talon TSi, G35, Q45

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how much power can a stock G50 (94+) transmission hold. I already have the Nico ECU. If I were to add headers (if i can find some), and a catback exhaust, the car will be making more power than Nissan intended.

My question is how much power before the transmission fails? And what exactly fails first? torque converter?


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CrimsonQ
Posts: 1769
Joined: Wed Apr 20, 2005 5:46 pm
Car: Purple People Eater
Location: Kansas City
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IIRC 600 hp maybe?

Of course if you spent enough to get 600hp outta the Q, youd probably have an equally capable level 10 trans too

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elwesso
Posts: 30810
Joined: Sun Feb 23, 2003 4:52 pm
Car: 94 Infiniti Q45t 5 spd
2007 BMW M Coupe
2007 Infiniti G35 S 6MT
Location: Indiana
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Generally I tell people that if the engine is still N/A you cant overpower the trans..... Stuff like nitrous and such probably isnt a good idea.....

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redmanfx
Posts: 1802
Joined: Mon Mar 29, 2004 4:47 am
Car: 92 Q45a

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NC is steadily growing it's NICO Q45 base!!

One thing to remember when pushing after market power in the Q. The transmission is designed to have a super smooth transition between gears so you don't "feel" anything. Boosting power without addressing this issue will eventually destroy the transmission. A level 10 transmission with a nasty torque converter would be nice, but it's expensive. Some alternitives which exist are a valve body job to the transmission would allow for a crisper, harder shift with no slipage of the clutch thus allowing a longer life for your transmission for a fraction of the cost of a level 10(although if I had the money I'd like the level 10). I mean if your running NOS this seems like a good idea. JWT TCU is something else. Let's hope Robert can get a reprogramed TCU out there to us within a year or so!!

JDM level 10 transmission with an IPT valve body job with a hmmm... 3000 torque converter with JWT TCU and Robert Bowen ECU would be my fantasy choice .


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