XJ6 & XJ12 Series I, II & III 1968-1992

18" vacuum without the engine running

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Old Oct 23, 2013 | 05:52 PM
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ronbros's Avatar
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From: Austin tx and Daytona FL.
Default 18" vacuum without the engine running

an unusual thing!

my new brake vacuum pump can get 18" HG without the engine!

all my yrs of cars services , this is a 1st!

gotta love some of the new tech. and the internet to spread it around.

but after much searching and ideas, if i were to do my brake system over, id go for the GM HYDRO-BOOST system, and use an electric power steering pump for the steering and the hydro boost,both, save on engine power also! toss the GM-JAG pump and dont need cumbersome belts, free up some space also!

gotta love new tech.

i have had three vehicles with HY/BO and never had any trouble with them, so much so,never give it any thought, how good they were!
 
Attached Thumbnails 18" vacuum without the engine running-jag-vac-pump-003.jpg  
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