What vacuum is the engine supposed to pull at idle??
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I came, I saw, I boosted.
Joined: Apr 2001
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From: Windsor, Ontario, Canada
What vacuum is the engine supposed to pull at idle??
This is something I never got into.....
I forgot I had a vacuum gauge on the shelf... so I popped it on while the car idling, and it pulled about 13-14 inches..... By the indicators written on the dial that is a tad low, but thats assuming for piston engines....
I am assuming the porting may cost me a bit of manifold vacuum at idle, but the idle is very good...
Anyways... this normal?
I forgot I had a vacuum gauge on the shelf... so I popped it on while the car idling, and it pulled about 13-14 inches..... By the indicators written on the dial that is a tad low, but thats assuming for piston engines....
I am assuming the porting may cost me a bit of manifold vacuum at idle, but the idle is very good...
Anyways... this normal?
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