Based on what I read over at third gen it sounds as if they tested on a running engine. When I gather enough modules my plan is to spin it up on the distributor machine with a 7427 and harness I have laying around. Just for my own curiosity. I was always told when in limp mode they all had a 10 degree jump at 1600 rpm so I'll check that too while I'm testing.
The latency issue with the msd distributors was found on the dyno. I was back east tuning a few engines and one was a combination we had done about a dozen times and always made ~940-950 hp and all of a sudden this one wouldn't make 900hp. After verifying everything we could mechanically I noticed the msd distributor and he said he just started using these so we checked the timing and it wasn't following what was commanded. Poor guy, I had him out at the engine verifying timing all the way to 6000 rpm while I adjust the latency numbers. I felt for him while he had to check all that with the engine screaming and a blower belt right there too. :( He came back in from the cell shaking like a leaf.
Thanks, Fast355 for popping in with that info.
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