Originally Posted by
Chris69
mines about -20 and lower when just coasting- glad to hear mines not the only one that flaps about a bit!
lol yeah i'm not sure why the vacuum is erratic at idle?
But yes mine also drops to about -25hg when coasting.
Originally Posted by
xr2wishy
very true, a healthy amount of vacuum though, on a cold start it tends to be more(?)
Probably because the idle is a little higher on a cold start, if anything it would pull less vacuum cold because nothing in the engine has expanded and nothing is seating/sealing (rings, valves, etc..) as well as it will when warm.