Do I have a vacuum leak?

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Re: Do I have a vacuum leak? [Re: TJP] #2980369 10/31/21 08:58 PM 10/31/21 08:58 PM
Joined: Nov 2003 Posts: 10,228 Colleyville 3hundred I Live Here
3hundred I Live Here Joined: Nov 2003 Posts: 10,228 Colleyville	Originally Posted by TJP Originally Posted by 3hundred Sounds like the rings haven't yet seated? Did you degree the cam or just match the dots? IIRC, and it's been a LONG time, Holley's come with a 12.5 HG power valve and you're only pulling 10 HG? So the PV is open the entire time you're idling? has holley changed? used to all be 6.5's. BTW I have b-tt load of new ones LOL I think I removed my 6 barrel setup in the early '80's? I'm just not sure anymore. My memory for details like that is failing. But isn't the PV the usual culprit for rich idle mixtures? '68 Fury Convertible '69 300 Convertible '15 Durango 5.7 Hemi '16 300 S Hemi

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