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What is the normal idle manifold vacuum for a 350 Chevy while in gear?
Anywhere from 18 to 21 inches. is normal.
What is normal idle manifold vacuum for 1984 Chevy 350?
17 TO 19 INCHES AT A IDLE. 18 to 21 inches at idle, and the above answer is close enoungh too.
Chevy 350 Vacuum off the manifold should be what?
19 to 21 inches at an idle.
Why would a small block Chevy have forty inches of vacuum at an idle?
That doesn't sound right. Maybe try a different gage.
Which vacuum port on a eldabrock carb do i hook to the vacuum on the dist the one that has 18 inches of vacuum at idle or the one that is 0 inches at idle but comes up with acceleration?
Your distributor needs vacuum to advance your timing during acceleration. That's why you hook up your line to the port that has no vacuum at idle. :O)
Why do you have Rough idle 5.7 Chevy truck?
vacuum leak?
1988 Chevy 350 tbi idle adjustment?
simply put you can't if it is idleing not normal their is a problem surging/hunting idle=fuel pump/filter high idle =vacuum leak or sometimes fuel pump
How do you vacuum time a balance Chevy 350 engine with out a homonic balancer?
All engines must have a harmonic balancer instaled on them. Balanced or not. Hook a vacuum gauge to direct vacuum port on intake. That is a place that will have vacuum on it when the engine is running at an idle. Then read gauge and move the distributor until you get the highest vacuum reading. It should be 18 to 21 inches of vacuum at an idle.
What is the correct vacuum pressure supposed to be on a Chevy 350?
19 to 21 inches of vacuum at an idle, The higher the better. If the engine has a high performance cam then vacuum will be alot lower. When you rev the engine up vacuum should drop and then come right back up.
What causes a 2000 Chevy Malibu not to run at idle?
Might be a vacuum leak
Chevy blazier s10 1996 won't idle?
check for a vacuum leak.
What should the vacuum be in lbs at the carburetor on a 350 using vacuum assist brakes and vacuum wiper?
18 to 21 inches at idle
