NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Swapping A Series 5 Afm Into A Series 4 Rx-7! (https://www.nopistons.com/2nd-generation-specific-17/swapping-series-5-afm-into-series-4-rx-7-a-10383/)

MAZDAROTARYPOWER 01-08-2003 03:42 PM

here it is!

1Revvin7 01-08-2003 03:45 PM

Cool. :bigok: SO i know the s5 maf is better, but umm anyone have any experience with the changeover? Or any #s on it?

j9fd3s 01-08-2003 04:01 PM

you can also use a v6 626/mx-6/probe one too. also k2rd can get the s5 afm connectors



mike

assgrabber 12-03-2005 06:45 PM

I followed the instructions the best i could, but my car wouldnt start. Frustrated, I whipped out the trusty manual and compared wiring diagrams between the two series(s4/s5) and made my own wiring decisions, pulled codes and made more wiring changes.



so here it is kids, the definitive wiring instructions!





...........S4................................S5... ..........

GRN/ORG...............+.........GRN/ORG

............BRN/BLK+BRN/BLK.......................

............BRN/BLK+BRN/BLK.......................(join these four wires together)

GRN/BLU................+........GRAY(green wire inside gray insulator)

BRN/WHT...............+........BRN/WHT

BLK+BRN



https://www.nopistons.com/forums/pub...IR#>/bigok.gif



note: my car has a 87 wiring harness-- according to the book the wiring is different between 87 and 88.

matts86fc3s 12-03-2005 07:41 PM

nice... i treid doing that to mine and it wouldnt start. i used the directions from the one in second gen FAQ and car wouldnt start. ill try doing this tomarrow

nismo convert 12-03-2005 08:21 PM


Originally Posted by j9fd3s' post='130813' date='Jan 8 2003, 05:01 PM

you can also use a v6 626/mx-6/probe one too. also k2rd can get the s5 afm connectors



mike







Second GEN? or the first Gen mx6, probe ect.?

matts86fc3s 12-04-2005 09:25 AM

what or who is K2RD, i need the connector

matts86fc3s 12-05-2005 12:29 AM

hmm... did the mod from s4 to s5... doesnt want to idle right. it will die if i let off gas and when i start to go it sounds like it only runs on one rotor... but after like 2 minutes with my foot on the gas it will idle decently

j9fd3s 12-05-2005 11:52 AM


Originally Posted by nismo convert' post='783548' date='Dec 3 2005, 06:21 PM

Second GEN? or the first Gen mx6, probe ect.?



93-97ish 626/mx6/probe

nismo convert 12-06-2005 08:27 AM

Cool, thanks, a n/a afm wouldn't work on a TII eh?


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