MicroSquirt.com read only forum (Jan.15,2018)

Hey, I was reading posts trying to learn about dwell and stuff and had a question about lance's method.

IF you have +12V going to the coil, then you have the negative going to MS. Wouldnt you read nothing(0V) and then MS grounds it, so you see 12V on scope for a couple ms(dwell), then when it ...

Yes, the vacuum is the inverse of the map reading in kpa. So 0 inHg vacuum would be atmospheric pressure wherever you. I believe you would just subtact the inHg converted to kap from atmospheric to get what the map would read.