275truck Posted April 14, 2009 Share Posted April 14, 2009 i am working on a 1993 mack em7-300 and am wondering if and how the timing auto advance works is it like the older macks or is it a different style..any pics of the advance one the front of motor or any info would help out greatly...thanks tom 275 truck Quote Link to comment Share on other sites More sharing options...
fjh Posted April 14, 2009 Share Posted April 14, 2009 i am working on a 1993 mack em7-300 and am wondering if and how the timing auto advance works is it like the older macks or is it a different style..any pics of the advance one the front of motor or any info would help out greatly...thanks tom 275 truckAre you working on a VMac engine?If so the timing is controled by the computer! Quote Link to comment Share on other sites More sharing options...
farmer52 Posted April 14, 2009 Share Posted April 14, 2009 (edited) I have a 1992 EM7-300 V-MAC. I think the timing and advance are controlled by the computer and a sensor. Edited April 14, 2009 by farmer52 Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
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