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If I have an automatic transmission in my coupe..

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  #16  
Old 01-28-2008, 12:35 PM
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If i will set aps sistems turbo kit (about 400hp) my auto transmission will absolutly die???
 
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  #17  
Old 01-28-2008, 12:44 PM
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My tranny is holding up okay (knocks on wood), but I'm looking into making it stronger now.

Also 617, how do you shift in tiptronic, do you just bang it into the next gear, or do you allow the rpm's to drop first?
 
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Old 01-28-2008, 12:48 PM
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Originally Posted by TURBOTOM
My tranny is holding up okay (knocks on wood), but I'm looking into making it stronger now.

Also 617, how do you shift in tiptronic, do you just bang it into the next gear, or do you allow the rpm's to drop first?
how many horse power
and how much torque do you have and how long do you own G35 (maybe you don have problems with auto transmission only because you own it not so long?)
 
Last edited by S E G A; 01-28-2008 at 12:58 PM.
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  #19  
Old 01-28-2008, 01:13 PM
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Originally Posted by 617G
that would be a negative...you obviously don't know this tranny too well....i had a cooler on my second 5AT tranny and it didn't last past 500miles with 400tq

...there are always exceptions to the rule and it will vary from tranny to tranny, but putting a cooler on it isn't going to make it last that much longer. You'll need a lot more upgrades to make it last past 400tq.
you are right i do not know the auto tranny on the g35 very well... however you also have to go back to build quality of your transmission as you stated... but a cooler is going to make a huge difference when matched properly... some of the supra guys were getting 500 miles per tranny on my same setup as well... it is just luck of the draw on some i guess but if you buy an oversized cooler like i did then it will work. granted not 100 percent of the time. you also have to be careful with oversized setups too... too big and you tranny doesnt get the proper warm up... this also will destroy the tranny
 
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  #20  
Old 01-28-2008, 01:17 PM
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Originally Posted by TURBOTOM
My tranny is holding up okay (knocks on wood), but I'm looking into making it stronger now.

Also 617, how do you shift in tiptronic, do you just bang it into the next gear, or do you allow the rpm's to drop first?
I've never let the rpm's drop ...i've actually never heard of anyone doing that either...
 
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  #21  
Old 01-28-2008, 01:17 PM
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Generally automatic transmissions are stronger than manuals.
 
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  #22  
Old 01-29-2008, 10:57 AM
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JATCO specs the 5AT at 333 lb/ft maximum torque to survive any amount of time.............no manufacturer uses HP [as it is rpm imaginary/variable].
 
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  #23  
Old 01-29-2008, 11:56 AM
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Originally Posted by 617G
there is only one "built" package from SGP. It includes clutch packs, bands, VB, etc...TQ converter is extra. If you would like to know the specifics of what is replaced internally you should call SGP.

Link to trans:
http://sgpracing-store.stores.yahoo....praautrup.html

thats not cheap...owch "i should gotten a 6spd"
 
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  #24  
Old 01-29-2008, 11:58 AM
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Originally Posted by IrockAG35
thats not cheap...owch "i should gotten a 6spd"
gotta pay to play
 
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Old 01-29-2008, 02:20 PM
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So just getting a torque converter isn't enough?
 
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Old 01-29-2008, 03:46 PM
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Get a built VB. Don't worry about a torque converter unless you do a built trans.
 
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  #27  
Old 01-29-2008, 05:22 PM
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anything under 400hp - vb upgrade, torque converter and tranny cooler will all be good ideas.

anything above - just go with a built trans.
 
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  #28  
Old 01-30-2008, 03:51 AM
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Originally Posted by w0ady
anything under 400hp - vb upgrade, torque converter and tranny cooler will all be good ideas.

anything above - just go with a built trans.
what is it???? built trans-please explain
if i am going to make 380hp - i can make only this built trans ? yes?
 
Last edited by S E G A; 01-30-2008 at 03:54 AM.
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  #29  
Old 01-30-2008, 09:38 AM
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With 380 get a VB upgrade / cooler and call it a day
 
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  #30  
Old 01-30-2008, 09:42 AM
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Originally Posted by 617G
I've never let the rpm's drop ...i've actually never heard of anyone doing that either...
When im in tiptronic, I let the rpms go down before hitting the gas, I feel like it gives the tranny time to go into the next gear before I mash the throttle again. Mabe its not helping anymore than slamming it into the next gear at 6krpms, but it feels like its less stress on the tranny.
 
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