2nd Generation Specific 1986-1992 Discussion

Front Housing From 86-88 Fc Will Work With 89-92?

Old 01-18-2004, 09:34 PM
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I'm rebuilding my 91 fc motor and the front housing is out of spec. I have an 86 front housing and I was wondering if I could use that? Mazdatrix website says its different and if so what is the difference?
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Old 01-18-2004, 10:01 PM
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The S4 and S5 front rotor housing are different, the timing of the spark plug location is different, unless you replace the housings as a pair it will not work as well, I was told, and the builders will have to expand on this, but you have to adjust timing for the different housings by a couple degrees, so if they are a mismatched pair, the timing of the spark between the rotors will be different, and the difference may throw the balance off.
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Old 01-19-2004, 12:05 PM
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NOPE!
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