Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

Automatic tranny under boost.

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Old 09-10-2007, 01:03 PM
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Question Automatic tranny under boost.

For the last year or so ive been debating wether or not to buy a TT supra, at thier retarded inflated prices. Or grab a mint G35 coupe (automatic) and throw some greddy TT's on it, and most likely build the bottom end so i can get some decent boost running through them.

so i guess my question is what mods will i have to do to the auto tranny for it to be able to handle 400-600 HP/TRQ ?

im trying to weigh out between the two cars how much $$ ill spend
-josh
 
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Old 09-10-2007, 01:04 PM
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built tranny from SGP = 4k and will handle 600whp/tq and then some

i just blew my stock 5AT tranny the other week
 
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Old 09-10-2007, 01:05 PM
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torque converter and valve body upgrades for sure...check out this site it should help you out.

http://www.speedforceracing.com/prod...ansmission.php

-Sean
 
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Old 09-10-2007, 01:06 PM
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5AT work is pretty expensive. Fluid cooling should help, valve body mods should help, torque converter may or may not help but is also another mod. Built transmission would be 3k+ before removal and re installation costs.
 
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Old 09-10-2007, 01:07 PM
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Originally Posted by Nismo G
torque converter and valve body upgrades for sure...check out this site it should help you out.

http://www.speedforceracing.com/prod...ansmission.php

-Sean
lol, how many of their cars are actually running? Kamal and g35 anonymous don't have running cars and they went with full SFR builds.
 
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Old 09-10-2007, 01:13 PM
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damn really... so its would be alot better to just get a M6 and deal with thier ****ty trannys and clutches ?

would i need some work if i just went with 400HP on the auto?
 
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Old 09-10-2007, 01:16 PM
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I have an auto, nothing against an auto but why do you have to have an auto G?
 
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Old 09-10-2007, 01:19 PM
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GTM has a nice auto upgrade packages too.. id give sam a call and pick his brain
 
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Old 09-10-2007, 01:20 PM
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rookie i think hes thinking from a supra standpoint... in the supra world the autos are faster
 
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Old 09-10-2007, 01:23 PM
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I didn't think about it that way. It's easier and less costly to get to 400whp or wtq with the 6mt on the G for sure.
 
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Old 09-10-2007, 01:29 PM
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i just like autos... not to say i dont have fun in manuals but i just dont enjoy driving a manual all the time, it bugs the **** outta me when stuck in traffic and thats most of my driving (city). Maybe part of it is that my friend has a 350z M6 and hes on 2nd tranny, it makes horrible tranny noises. clucthc is crappy and hard to get in gears. maybe its just his car but this isnt the first time ive heard bad storys about manuals in these cars.
 
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Old 09-10-2007, 01:43 PM
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I have an upgraded VB and TC and both oil coolers installed from Sam at GTM, I would give him a call and get a better understanding of how much the cost will be and what power the combo would handle.

I can not say how much my configuration will hold until Sam finishes the car sometime next week.
 
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Old 09-10-2007, 01:48 PM
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ah well looks like it would be more hassle then i would want to get into.
 
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Old 09-13-2007, 03:38 PM
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Yeah Auto's get stuck at 360~ hp, right out of the box, we cant go above 380 FOR SURE without tranny upgrades (at least 1500)
 
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Old 09-13-2007, 05:21 PM
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Originally Posted by rookie
lol, how many of their cars are actually running? Kamal and g35 anonymous don't have running cars and they went with full SFR builds.

yes you are right. My car is still in the shop but I will say it for the first time here.... My car is coming back with a bang! i do have the auto tranny which was built by SFR. It is good for 1000 HP. So far, no problems. I really have pushed the car though, havnt driven it to its full but I will keep you updated. Keep this thread bumping or pm me if you want details... I was told that I will have the highest HP auto in the country when I get my car back end of this month...
 

Last edited by Kamal34; 09-13-2007 at 09:26 PM.


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