I noticed that the IFR is based off of GM.MANVAC. In the past I only logged SAE.MAP. What is the difference between the two?
I noticed that the IFR is based off of GM.MANVAC. In the past I only logged SAE.MAP. What is the difference between the two?
2005 RCSB 2500HD GMC Sierra DURAMAX LLY
1955 Chevy Truck 1st series, being restored
2002 Mercedes C270 CDI
Baro minus MAP = Manifold Vacuum
So, if you live close to sea level where Baro is ~100kPa and you see 98kPa at WOT, then Man. Vac. is 2kPa.