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What is the normal idle manifold vacuum for a 350 Chevy while in gear?
Wiki User
∙ 15y ago
Anywhere from 18 to 21 inches. is normal.
Wiki User
∙ 15y ago
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Where do the vacuum lines hook up to an Edelbrock Performer 2181 intake manifold?
On the sbf windsor manifolds, there is a threaded hole behind(toward rear of manifold) where the carb goes. You will need to screw in a vacuum tree there. As a basic rule of thumb, vacuum lines will always attach to one of the manifold runners that lead to the intake valve(s). Also...pretty much all carbs have vacuum ports. The ones in the base plate are full vacuum, while the ones in the body are usually ported or timed vacuum( like for dist advance). Bri On the sbf windsor manifolds, there is a threaded hole behind(toward rear of manifold) where the carb goes. You will need to screw in a vacuum tree there. As a basic rule of thumb, vacuum lines will always attach to one of the manifold runners that lead to the intake valve(s). Also...pretty much all carbs have vacuum ports. The ones in the base plate are full vacuum, while the ones in the body are usually ported or timed vacuum( like for dist advance). Bri
What would happen if a leaking gage manifold were used while trying to evacuate a system to a deep vacuum?
The system becomes contaminated
How do you know if Chevy green wire map sensor is bad?
if you are talking about a 3.1 lumina the map sensor vacuum tubing cracking is a big issue first pull vacuum hose off mao sensor sensor is at back of intake manifold against firewall start car and hook a vacuum gauge to vacuum hose to map if it is lower then 15 inches of vacuum more then likely the nylon vacuum tub is cracked. you must reomve intake manifold because the feed hoses are mounted to a network of hoses under manifold you can replace all hose while you are there map conrols fuel and air mixture low vacuum to map will cause rough idle black smoke poor fuel milage and taipipe smells rich with gas let me know if you need to go further g
On 1987 Chevy Celebrity with a2.8 injected enginge. What would cause fuel to run into the intake for the system while engine runs fine?
Check the fuel pressure regulator on the fuel rail. If it fails it can allow fuel to enter the manifold via the vacuum hose.
Why does a 1997 Chevy Malibu stall after running for a while already changed spark plugs fuel filter fuel pump relay air idle control valve?
fuel filter clogged/water in system,wet or damaged ignition system wires,faulty or incorrectly gapped plugs, or vacuum leak at intake manifold or plenum.or vacuum hoses.
How do you find vacuum leaks on 93 s10 blazer?
Visually inspect each vacuum line looking for problems such as being disconnected, cracked, rotted or pinched. If the lines appear to be okay you can run the engine while spraying carb cleaner around problem areas such as at the base of the throttle body and intake manifold area. If while spraying you hear the engine idle change rpms, you have just located a vacuum leak. The gasket between the throttle body and intake manifold were known to blow out and cause a large vacuum leak.
Can light exceed its normal speed while refracting?
If you mean "normal speed" to be the speed at which light travels in a vacuum, then no. Anything that differs from light moving through a vacuum slows the light down to a certain extent.
94 Chevy G20 with the 5.7L it idles hi wihen in drive and going slow and lurches forward while you are stoped I have changed the Idle air valve and it seems to be worse and ideas?
Start by checking for vacuum leaks. Spray some throttle body cleaner around vacuum lines and fittings. Also around the intake manifold gaskets and throttle body gasket. Any change in idle speed would indicate a vacuum leak.
What would cause your 1995 Chevy s10 to idle at 3000 RPM when you start it?
vacuum leak. my 95 Monte Carlo did it. once in a while it would race to 2500 rpm then settle down like normal. not easy to find , but a cheap fix.
What would cause your 1992 Chevy caprice to shut off when you put it into a running gear but stay at a good idle while in park?
A vacuum leak can do that. Check the gasket at the base of the throttle body for a vacuum leak.
Where can you get a diagram of the vacuum lines on a 96 Chevy Suburban K1500 2WD if the dealership will not give it?
It is important to have a diagram of all the line in a car while owning it. A person can get a diagram of the vacuum lines in a 1996 Chevy Suburban K1500 2WD by purchasing the maintenance or repair manual at an auto part shop.
How does the vacuum system run on a 1991 Chevy with a 350 engine?
well it depends..usually if you have a 4brl carb the vacuum is built in the carb. the intake manifold is the main source of vacum. from the carb mounted on the manifold. if you have a 2brl and want to switch to a 4brl, you have to get a new manafold that is made for a 4brl carb..it might be worth your while to do this..it elimates all the hoses and clutter junk from a 2brl. if you have a 2brl, it can be a little complicated. the vac on a 2brl is threw the air cleaner unit. theres vacum hoses that conect to the rear of the carb. the EGR valve a round like cilinder on left side of intake manifold. the choke mounted on the side of carb, and the thermostat housing. ...good luck
