NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   S4 T2 Into S5 Vert- Is It A Deathwish? Or What? (https://www.nopistons.com/2nd-generation-specific-17/s4-t2-into-s5-vert-deathwish-what-40921/)

j9fd3s 06-24-2004 08:45 PM


Originally Posted by Shane.Trammell' date='Jun 24 2004, 02:54 PM
mazdadrifter i dont know why youre talking about parts interchanging. hes just asking if he can take a complete s4 motor and maybe trans and drop them into an s5 na, plug it in and make it work.

putting s4 into s4 car is hard, you end up with no cas wires! it could be done but its the hardest one to do

NCTII87 06-24-2004 08:47 PM

thanks roadkill and shane. i just wanna know what i have to do to wire the S4 computer into the S5. i need to know where i can find wiring diagrams. if anyone can email me one, i would greatly appreciate it.

Rotaryman88 06-25-2004 12:10 AM

If you are using a s4 ECU and want to leave the s5 dash harness in place...it won't work. The s4 ecu won't control the s5 instruments/dash etc...



The EASIEST, yet little more expensive alternative is to go standalone. Trying to make the s4 ecu work w/ the s5 dash flawlessly will be a HUGE headache...

roadkill669 06-25-2004 12:29 AM

Even if he goes standalone, he is still left with an instrument cluster that wont work. I have the tach and speedo, thats it. The standalone will make the cluster work as well as the S4 ECU.

dcrasta 06-29-2004 02:56 PM

I thought all convertables in Japan were turbo?

bacca 12-16-2004 02:43 PM

Rotor Nut





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I thought all convertables in Japan were turbo?



All RX7s are Turbos in Japan


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