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

S14, 5 speeds top speed??

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Old Mar 3, 2004 | 09:14 PM
  #1  
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mjk
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S14, 5 speeds top speed??

can someone tell me what the top speed on a turbo s14 5-speed is. i mean how far does 5th gear go?

Im asking this because i would like to buy an s14 and do a a/t to m/t swap and then turbo it... however, im not sure whether i should use a 5-speed from a s14 or go with a different tranny... (i wont be installing it myself...)

Thanx a lot guys, take care
Old Mar 3, 2004 | 10:00 PM
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Fast enough...Dont know exactly, but If you get rid of the speed limiter Im sure you can hit some high numbers
Old Mar 4, 2004 | 12:32 AM
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I am going to guess that the fuel cut-off is at about 110-120 MPH. Not sure why you want to know this, it makes no difference! Do an engine swap and get a defensor, the possibilites are endless....

driftmonster

http://www.geocities.com/wardog5811/SR20det.html
Old Mar 4, 2004 | 01:56 PM
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i dont want to do an engine swap though, i want to get the greddy kit because its certified ( or in the process off) and later build up the engine for higher boost.

Does anyone know if the 240sx tranny without the limiter can go over 150mph?
Old Mar 4, 2004 | 02:20 PM
  #5  
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I have heard of a 240 going 160+ but Why would you need to go that fast? Going for the fastest 240?
Old Mar 4, 2004 | 04:40 PM
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Well, given the stock tire size, the tranny's 5th gear ratio, the diff. ratio, you'll be doing 150 mph @ 6947 RPM. That is a little beyond the S14 KA's redline of 6500. However, I believe it should be ok, depending on the condition of the engine.

Keep in mind, the S13 has a redline of 6900 rpm....
Old Mar 5, 2004 | 10:12 PM
  #7  
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okay kool. thanx al ot everyone thats what i needed to know
Old Mar 9, 2004 | 10:50 AM
  #8  
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Originally posted by mjk
i dont want to do an engine swap though, i want to get the greddy kit because its certified ( or in the process off) and later build up the engine for higher boost.

Does anyone know if the 240sx tranny without the limiter can go over 150mph?
Last I heard they ditched the certification part. But hey, you're in Chicago so smog laws might be tight there.

Lucky me, I live in good old CALIFORNIA

LOL
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