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

tuning with Apexi afc neo

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Old Aug 22, 2011 | 11:50 PM
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tuning with Apexi afc neo

yo, just got my neo installed tonight. i'm going to use it in conjunction with the rtek 1.8 for some timing control and a 720cc base map for the t04b hybrid im building. I havent started playing with fuel correction but just getting it set up i cant seem to find an accurate setting for the tach display. i have it set on "4cyl" mode right now and its close @ idle but almost 200-300rpm off at 3500rpm. so idk if my factory tach is off or if the apexi doesnt have an accurate setting for the FC's tach signal. the car is a s4 (s4 harness and control anyway).


Thanks!
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Old Aug 23, 2011 | 12:01 PM
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From: cold
Factory tach is off. This is common.
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Old Aug 23, 2011 | 12:28 PM
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yep
my factory tach on the dash shows just about 200 rpm off above 2000rpm all the way to redline.
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Old Aug 23, 2011 | 12:59 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by arghx
Factory tach is off. This is common.
+1 tach speeds up, as rpms go up
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Old Aug 24, 2011 | 12:30 AM
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Don't hate my V8
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can you correct this with the adjustment on the back of the cluster
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Old Aug 25, 2011 | 09:15 PM
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Don't hate my V8
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bump???
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Old Aug 25, 2011 | 11:32 PM
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From: cold
Don't mess with your cluster. Leave it alone.
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Old Aug 26, 2011 | 12:15 AM
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why?
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Old Aug 26, 2011 | 11:20 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by gear_grinder
can you correct this with the adjustment on the back of the cluster
its never worked for me
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