Michael. 2312 Report post Posted April 5, 2016 So I looped this short 1-2 second clip to be about 33 seconds longer so you can appreciate the V12s piston configuration I find the variation in the way motor configurations are ordered on the crank and their ignition timing quite a fascinating topic. M70s have a firing order of 1-7-5-11-3-9-6-12-2-8-4-10 The driver side bank is number cylinders 1-6 and passenger side bank 7-12. If we watch the clip cylinder 1 on the drivers side front hits TDC and a fraction of a second later so does cylinder 7 on the passenger side front. What I was wondering, is after the above moment, would cylinder 7 be firing at when it then starts traveling to BDC? It just looks like such a short ignition angle variation, unless I'm missing something? 4 strokes take two full crank rotations, so, 720 deg / 12 cylinders 60 degree per cylinder firing. Thoughts? 3 Quote Share this post Link to post Share on other sites
