RE: [Chevelle-List] Vacuum problem?

[Craig A. Ellis]

Dale, that's what I've always thought but I think the cowl induction system works manifold vacuum drops - as in when the throttle is punched wide open. My understanding is that vacuum is what keeps the cowl closed - that's why is snaps open when you turn off the motor. I am not a mechanic and could be wrong about all this - but the logic of the system seems to indicate this is how it should work.   Craig E -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of 396guy Sent: Tuesday, September 03, 2002 6:53 PM To: [EMAIL PROTECTED] Subject: RE: [Chevelle-List] Vacuum problem? I wouldn't think so it'd be possible to generate too much vacuum.  Both my cars (396 and 327) pull about 17/18 at warm idle, 15/16 cruising at steady throttle and jumps to 24/25 range when decelerating.   You problems sound like lack of vacuum - bleeding off somewhere. Dale McIntosh ACES #1709/TC #92 Gold 67 SS/67 Elky http://www.dalesplace.com http://www.team67.com http://www.midwestchevelles.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Craig A. Ellis Sent: Tuesday, September 03, 2002 8:37 AM To: Chevelle (E-mail) Subject: [Chevelle-List] Vacuum problem? Is it possible to generate too much manifold vacuum and, if so, how does one diagnose the problem and remedy??? My cowl induction has stopped working and my vacuum secondaries appear to be malfunctioning. I'm wondering if the problems are related...   CAE