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

rear rotor lean?

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Old Nov 29, 2020 | 01:08 PM
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dillrx7's Avatar
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From: ottawa ontario
rear rotor lean?

heres a picture after removing my turbo manifold, the rear rotor is much lighter in color then the front rotor, front rotor looks rich, but does the rear rotor look very lean or almost perfect? i have zero experience with knowing what color should be on these cars
cars running 1000cc prims and 2200 secondaries, was on a megasquirt just changed to a haltech, has 15mins of run time on haltech, ,megasquirt had a (OK) tune on it, idle afrs around 12.6-13.0

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Old Nov 30, 2020 | 09:23 AM
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From: https://www2.mazda.com/en/100th/
A. both rotors should match
B. if it was a stock ecu, both would be colored about like the rear rotor, give or take.

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Old Nov 30, 2020 | 10:13 AM
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Originally Posted by j9fd3s
A. both rotors should match
B. if it was a stock ecu, both would be colored about like the rear rotor, give or take.

Thank you! I will be getting the injectors flowed/cleanedto ensure same flow rates then reinstall and drive it and check plugs? Once this is reinstalled hard to see haha it also does not have a good tune only a base tune from haltech
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