The Stovebolt Site Forums The Shop Area Engine Shop why does vacuum go down when rpms go up?

Help is a click away!

VEHICLE
INFORMATION
KITS

at the

GM Heritage Center
All the details are here.

Searching the Site - a click away

New here ??? Where to start?

Click on image for the lowdown.

====

Who's Online Now

6 members (Robert Crandall, NorCal52Suburban, C10 - C90 Bill, Ponchogl, Otto Skorzeny, 78buckshot), 117 guests, and 1 robot.

Key: Admin, Global Mod, Mod

Forum Statistics

Forums66

Topics128,089

Posts1,056,145

Members48,436

Most Online14,466
Apr 26th, 2026

Step-by-step instructions for pictures in the forums

Brad Allen's photos

AD Chevy Trucks

Pictures galore

Over 6,000 pictures

Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips.

Check them out!

Lots of work on Brad's part ... pure enjoyment (and references) for you!

Big Thanks!

THANKS!

For helping keep this great
old truck web site
on the Internet for

over 30 years!

and not clogged down
with Ads!

Again, thanks!

Print Thread

Re: why does vacuum go down when rpms go up? #75149 03/22/2007 10:10 PM
Joined: Sep 2001 Posts: 581 St. Louis, MO M Mikestem Shop Shark
Mikestem Shop Shark M Joined: Sep 2001 Posts: 581 St. Louis, MO	Don't they top off the vacuum along with the blinker fluid when you get a fill up?! I'm installing electric wiper motors, just so I don't have to think about this anymore . . . -Michael Please type slow, as I can't read very fast. 1939 Chevy/Central Fire Engine 1941 Chevy/American Fire Engine 1950 Chevy/American Fire Engine In the Gallery More Photos in Me Gallery

Entire Thread
Subject	Posted By	Posted
why does vacuum go down when rpms go up?	Tyler Watts	03/21/2007 2:56 AM
Re: why does vacuum go down when rpms go up?	bigbadswingdaddy	03/21/2007 2:59 AM
Re: why does vacuum go down when rpms go up?	Hotrod Lincoln	03/21/2007 3:04 AM
Re: why does vacuum go down when rpms go up?	beltfed	03/21/2007 3:58 AM
Re: why does vacuum go down when rpms go up?	On the road	03/21/2007 3:30 PM
Re: why does vacuum go down when rpms go up?	Achipmunk	03/21/2007 3:45 PM
Re: why does vacuum go down when rpms go up?	Organbuilder	03/21/2007 5:38 PM
Re: why does vacuum go down when rpms go up?	Tiny	03/21/2007 7:08 PM
Re: why does vacuum go down when rpms go up?	beltfed	03/21/2007 7:34 PM
Re: why does vacuum go down when rpms go up?	Hot Rod Dad	03/22/2007 3:03 AM
Re: why does vacuum go down when rpms go up?	waldo53	03/22/2007 5:41 AM
Re: why does vacuum go down when rpms go up?	doc41	03/22/2007 1:52 PM
Re: why does vacuum go down when rpms go up?	Cavebull	03/22/2007 2:10 PM
Re: why does vacuum go down when rpms go up?	Flxible	03/22/2007 2:21 PM
Re: why does vacuum go down when rpms go up?	Organbuilder	03/22/2007 4:59 PM
Re: why does vacuum go down when rpms go up?	Organbuilder	03/22/2007 5:02 PM
Re: why does vacuum go down when rpms go up?	Flxible	03/22/2007 6:35 PM
Re: why does vacuum go down when rpms go up?	Mikestem	03/22/2007 10:10 PM
Re: why does vacuum go down when rpms go up?	64fleetside	03/22/2007 10:19 PM
Re: why does vacuum go down when rpms go up?	orchidskip	03/22/2007 11:02 PM
Re: why does vacuum go down when rpms go up?	colettesbro	03/23/2007 2:27 AM
Re: why does vacuum go down when rpms go up?	kcwelshans	03/23/2007 7:27 PM
Re: why does vacuum go down when rpms go up?	On the road	03/25/2007 3:31 PM
Re: why does vacuum go down when rpms go up?	chevman32	03/25/2007 3:38 PM
Re: why does vacuum go down when rpms go up?	coilover	03/25/2007 4:08 PM
Re: why does vacuum go down when rpms go up?	Petmil/54/3100	03/25/2007 4:25 PM
Re: why does vacuum go down when rpms go up?	Hot Rod Dad	03/25/2007 4:49 PM
Re: why does vacuum go down when rpms go up?	doc41	03/26/2007 2:17 AM
Re: why does vacuum go down when rpms go up?	Beaver 53	03/26/2007 2:26 AM
Re: why does vacuum go down when rpms go up?	atomarc	03/26/2007 2:31 AM
Re: why does vacuum go down when rpms go up?	kcwelshans	03/26/2007 3:51 AM
Re: why does vacuum go down when rpms go up?	Tyler Watts	03/27/2007 3:55 AM
Re: why does vacuum go down when rpms go up?	beltfed	03/27/2007 4:47 AM
Re: why does vacuum go down when rpms go up?	doc41	03/27/2007 1:20 PM
Re: why does vacuum go down when rpms go up?	Volfandt	04/23/2017 1:50 AM
Re: why does vacuum go down when rpms go up?	Steve_H	04/24/2017 1:29 PM
Re: why does vacuum go down when rpms go up?	panic	04/24/2017 2:49 PM

Moderated by Phak1, Woogeroo

Hop To

Link Copied to Clipboard