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

which to rebuild s4t or s5t?

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Old Oct 30, 2005 | 08:33 AM
  #1  
dennis blackstone's Avatar
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From: ct
which to rebuild s4t or s5t?

Here's the question my freinds, which motor in your opinion would be better to rebuild the s5 turbo or s4 turbo , my mods are bnr turbo ,npr fmic, rtec 1.7,720s 3inch exhaust all the way back, I want to run 15 psi , and sells a good rebuild kit ,know the s4 motor runs but high miles and low compression ,the s5 has a front blown seel, I have a front housing for that if it is bad, is it pretty straiht forward build with the atkins video ,I just want rebuild it my self your help my freinds,excuse my text
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Old Oct 30, 2005 | 08:45 AM
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The s5 All day.......good luck
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Old Oct 30, 2005 | 09:13 AM
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s5 w/ 9.4 rotors
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Old Oct 30, 2005 | 10:11 AM
  #4  
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From: ct
The s5 has better internals?
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Old Oct 30, 2005 | 10:15 AM
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Threads merged.. please only start one thread on the same subject!
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Old Oct 30, 2005 | 10:23 AM
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From: ct
I went throught the archives so I could get ahead on the build ,but does anyone have list on tools ill need ,and the debate on witch seals are better ,most people are saying the dealer apex seals are better what is your opinion ?
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Old Oct 30, 2005 | 10:54 AM
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I will be posting pics step by step of my progress now I have a donar car ,I've alway wanted to rebuild one but never had the money , now I'm working overtime I can afford it , so ill post pics and results so if anyone has any tips on procedure even thought ill get the video will be appreciated this is my first time so thanks for any input
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Old Oct 30, 2005 | 02:52 PM
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doesnt S4T have lower compression vs. S5T. You could safely run more boost = more power? I would go for the S4 turbo motor

Last edited by gxl90rx7; Oct 30, 2005 at 02:58 PM.
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Old Oct 30, 2005 | 03:05 PM
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Which series do you have now?

If s5, go with s5, less problems . Same with s4's. Otherwise you'll be doing alot more then you bargained for.
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