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Vacuum from center carb, 440 six pack. #907196 01/17/11 11:31 AM 01/17/11 11:31 AM
Joined: Aug 2003 Posts: 8,828 Houston, Tx hemi68charger OP master
hemi68charger OP master Joined: Aug 2003 Posts: 8,828 Houston, Tx	Hey gang.. Does anyone know off hand what sort of vacuum readings I should have out of the distributor advance port on the metering block in a 440 six pack application? Troy Houston Mopar Connection Club '69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)

Re: Vacuum from center carb, 440 six pack. [Re: hemi68charger] #907197 01/17/11 11:47 AM 01/17/11 11:47 AM
Joined: Jan 2003 Posts: 9,436 Blair County,PA 62maxwgn master
62maxwgn master Joined: Jan 2003 Posts: 9,436 Blair County,PA	At idle,nothing.Running depends on cam spec's and engine speed.

Re: Vacuum from center carb, 440 six pack. [Re: 62maxwgn] #907198 01/17/11 11:59 AM 01/17/11 11:59 AM
Joined: Aug 2003 Posts: 8,828 Houston, Tx hemi68charger OP master
hemi68charger OP master Joined: Aug 2003 Posts: 8,828 Houston, Tx	Quote: At idle,nothing.Running depends on cam spec's and engine speed. It's an OEM cam........... Guess I just need to verify via a vacuum gauge it's drawing vacuum upon increased throttle movement... Troy Houston Mopar Connection Club '69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)

Re: Vacuum from center carb, 440 six pack. [Re: hemi68charger] #907199 01/17/11 12:03 PM 01/17/11 12:03 PM
Joined: Jun 2008 Posts: 3,916 usa L lewtot184 master
lewtot184 master L Joined: Jun 2008 Posts: 3,916 usa	the port should draw a little vacuum at idle. tests i've run show about 4 inches of vacuum on my cars. there are probably a lot of variables; like idle rpm, initial timing, air/fuel mix, etc.

Re: Vacuum from center carb, 440 six pack. [Re: lewtot184] #907200 01/17/11 12:13 PM 01/17/11 12:13 PM
Joined: Aug 2003 Posts: 8,828 Houston, Tx hemi68charger OP master
hemi68charger OP master Joined: Aug 2003 Posts: 8,828 Houston, Tx	Thanks guys.. My point is I'm trying to figure if I'm getting the proper vacuum to the good ole' distributor.. Everything about the motor is stock. No aftermarket anything in regards to OEM components. Troy Houston Mopar Connection Club '69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)

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