AtomicPunk
NAXJA Forum User
- Location
- Phoenix, Arizona
How many degrees advanced should the timing be on a healthy 4.0l straight 6. Mine was reading 7.0 to 7.5 degrees at idle and it just seems to be running a little ragged.
Also, what should the vacuum pressure be on the engine? And how does the vaccum pressure relate to the timing, like, retarded or advanced timing equals more or less vaccum pressure? Thank you for you help.
Also, what should the vacuum pressure be on the engine? And how does the vaccum pressure relate to the timing, like, retarded or advanced timing equals more or less vaccum pressure? Thank you for you help.