Flexicoker Posted August 26, 2009 Share Posted August 26, 2009 I had my car tuned pretty well with MSII V3, 2.8xx code. I'm using the factory VR sensor and distributor, triggered by the MS. Initially I had a trigger offset of 35*, so that it would fire mostly on the center of contact on the rotor. I recently switched to MSII extra, the most recent code, and whenever the timing increased to 35* it would misfire badly, I think this is due to the trigger offset of 35 degrees... Suppose my minimum timing is 15*, and my maximum 38* including cold advance, etc, and assuming I have the flexibility, would making my trigger offset just below 15* or just above 38* provide more accurate spark timing? 38* would be a little easier to obtain, since its alot closer to the current offset, but if being closer to the minimum timing would help accuracy, I'd like to try that. Quote Link to comment Share on other sites More sharing options...
Flexicoker Posted September 4, 2009 Author Share Posted September 4, 2009 Well, I tried a trigger offset of 10 and 40, and moved my distributor to match each time. It seems like 10 has less error than 40, so I went with that. Quote Link to comment Share on other sites More sharing options...
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