Vacuum idle - Moparts Forums

Register Log In Moparts Forums Moparts Question and Answer Vacuum idle

Print Thread

Vacuum idle #1017906 06/21/11 07:53 PM 06/21/11 07:53 PM
Joined: Apr 2010 Posts: 93 CA M mojavered OP member
mojavered OP member M Joined: Apr 2010 Posts: 93 CA	What is the minimum vacuum required at idle with power brakes? 71 Challenger RT 440 / 727 / 8.75

Re: Vacuum idle [Re: mojavered] #1017907 06/21/11 08:11 PM 06/21/11 08:11 PM
Joined: Sep 2005 Posts: 12,481 Chino Valley RodStRace I Live Here
RodStRace I Live Here Joined: Sep 2005 Posts: 12,481 Chino Valley	You want at least 12-13 inches. 10 doesn't do it on a Challenger....

Re: Vacuum idle [Re: mojavered] #1017908 06/22/11 03:00 AM 06/22/11 03:00 AM
Joined: Mar 2007 Posts: 3,288 West Coast, USA jbc426 master
jbc426 master Joined: Mar 2007 Posts: 3,288 West Coast, USA	Mine work fine with 5 inches vacuum at idle. 1970 'Cuda, single diaphram booster. 1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)

Re: Vacuum idle [Re: jbc426] #1017909 06/22/11 03:11 AM 06/22/11 03:11 AM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	I think it depends on the brake booster. Some don't seem to need as much as others.

Moderated by Al_Alguire, Hotwheelsjr, moparts, not_a_charger, RangerDan440, tboomer

Hop To

Powered by UBB.threads™ PHP Forum Software 7.7.1