2nd Generation Specific 1986-1992 Discussion

Swapping A Series 5 Afm Into A Series 4 Rx-7!

Old Dec 6, 2005 | 10:23 AM
  #11  
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Originally Posted by 86fc3sMatt' post='783947' date='Dec 4 2005, 10:29 PM

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


this sounds like an idle issue. When you hold your foot on the accelerator to keep the motor running, what rpm are you at? if your around 750 then you need to set TPS and idle.
Old Dec 6, 2005 | 10:55 PM
  #12  
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Originally Posted by nismo convert' post='784223' date='Dec 6 2005, 06:27 AM

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


it will, but the calibration is a little different, so it may run wierd
Old Dec 7, 2005 | 02:13 AM
  #13  
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how similar is the 626et afm to the s5 afm? i dont like the huge ugly s4 box
Old Dec 7, 2005 | 11:52 AM
  #14  
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Originally Posted by CrassFC3S' post='784467' date='Dec 7 2005, 12:13 AM

how similar is the 626et afm to the s5 afm? i dont like the huge ugly s4 box


same thing but its larger
Old Dec 7, 2005 | 05:55 PM
  #15  
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Is it the same electronically?



I mean, would it be a direct swap for s5 owners to test the "the afm is too small to make good power" debate I see so often on the other board?



I ask because my brother drives a 96 MX-6 so I could possibly do a back-to-back dyno if they are directly swappable.
Old Dec 7, 2005 | 09:27 PM
  #16  
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Originally Posted by Tessai' post='784617' date='Dec 7 2005, 03:55 PM

Is it the same electronically?



I mean, would it be a direct swap for s5 owners to test the "the afm is too small to make good power" debate I see so often on the other board?



I ask because my brother drives a 96 MX-6 so I could possibly do a back-to-back dyno if they are directly swappable.


yes, the 626/probe-mx6 afm is bigger and plugs right in and works fine, its been done!
Old Dec 8, 2005 | 12:43 AM
  #17  
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so the wiring would have to be altered for a s4 correct j9? if it is a direct swap with the s5
Old Dec 8, 2005 | 02:34 PM
  #18  
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Originally Posted by CrassFC3S' post='784713' date='Dec 7 2005, 10:43 PM

so the wiring would have to be altered for a s4 correct j9? if it is a direct swap with the s5


yes, the 626/mx6/probe afm is an s5 but larger
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