2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

s5 na tranny with s4 na engine??

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Old Jun 22, 2011 | 12:17 AM
  #1  
fc DonnyB's Avatar
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rip fc3s rx7
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From: marina, califonia
s5 na tranny with s4 na engine??

hey guys just wondering if this setup works
if anyone out there has tried this, because from what i understand the
stock s4 na tranny is the worst one out there (as far as power handling capability goes ) and i would love to upgrade to a better tranny oh and 5speed manual of course

any input appreciated
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Old Jun 22, 2011 | 12:42 AM
  #2  
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From: Whiterock
straight swap. make sure it has the s5 crossmember attached, because they are different.
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Old Jun 22, 2011 | 02:29 AM
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I don't think I've heard that S4 vs S5 transmissions are any different power/durability -wise..

But if you have a bad S4, an S5 will bolt up directly as long as you have the proper crossmember/Y-bracket for the S5 transmission.
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Old Jun 26, 2011 | 08:24 PM
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From: Westminster
5th gear is a little longer. Good for freeway mpg!
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