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Author Topic: M90 Exhaust Valve Timimg Question  (Read 7147 times)

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Re: M90 Exhaust Valve Timimg Question
« on: March 15, 2020, 02:06:00 pm »
Contrary to classic H&M theory, adjusting the Cam for corect exh valve losing at Tdc resulted in noticably Slower Weaker firing running !!!. I reset cam back to 38 Btdc .. i will keep it there & play with the valve Lash....mayb didn't this M90 didn't read the "Classic H&M" timing book !!
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