Drivetrain AT/MT Drivetrain discussions on the 240sx and Silvia

s-13 or s-14 tranny?

Old Jan 11, 2004 | 01:59 PM
  #1  
elks240's Avatar
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s-13 or s-14 tranny?

which is beefier?

i hear the s-14 are but not seeing a whole lot on it (been looking)discuss please i would appreciate it
Old Jan 11, 2004 | 02:46 PM
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Re: s-13 or s-14 tranny?

Originally posted by elks240
which is beefier?

i hear the s-14 are but not seeing a whole lot on it (been looking)discuss please i would appreciate it
i really can't see where there would be a difference. apparently, the actual part #'s for both are the exact same:

http://www.drivetrain.com/transmanua...it.html#NISSAN

scroll down to "Nissan Rear Wheel Drive" and u'll see. so unless someone knows different...?
Old Jan 11, 2004 | 03:42 PM
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thanks sil40 i am lookin into a beefier tranny for the car in the next 8 months so i am lookin for options, haven't figure out what i wanna do yet

anyone else with thoughts
Old Jan 12, 2004 | 11:50 AM
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beefier tranny? I'm told the stock tranny can handle 250hp to the wheels . . so unless you have more than that then there's no worries.

Dr.
Old Jan 12, 2004 | 12:21 PM
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They are both the same seeing that they are both the same motor and tranny setup.
Old Jan 12, 2004 | 01:15 PM
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The stock tranny can only hold 250 rwhp....?

Than what do people that push more than that do?
Old Jan 13, 2004 | 11:22 AM
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...both exactly the same. As for the trans upgrade
Old Jan 13, 2004 | 01:30 PM
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well i might be in trouble soon cause i am allready makin 258 whp with 278torque but found another tranny and motor so i can start the rebuild soon


so what are you guys doin to your trannies to beef them ? i know its kind of a broad statement
Old Jan 24, 2004 | 09:46 AM
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you can cryotreat the tranny.
it's pretty popular.

http://www.techworkseng.com/services...#cryotreatment
Old Jan 24, 2004 | 10:19 AM
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thanks element----

another ? what is the week link of our trannies? and where can i find more info

and if the 84-89 300zx non turbo tranny is the same ( at least same part numbers according to ^ )and i wonder if those can be changed out with the turbo trannies so that would actually bolt to the 240 (with probably minor alterations)

does that make sense or is it possible

Last edited by elks240; Jan 24, 2004 at 10:27 AM.
Old Jan 24, 2004 | 10:24 AM
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hmm, i read it somewhere in super street or import tuner, but i can't remember.
i know they welded somewhere on the tranny case together due to weakness.
and also for their tranny,they did ball-peen shot, cryotreat, and polish i think...
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