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Where should the vacuum advance be connected to on a 350 Chevy with a 2 barrel carb?
Wiki User
∙ 12y ago
Look on the carb for a small vacuum source above the throttle body. You would want one that has no vacuum at idle.
Wiki User
∙ 12y ago
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Where to connect vacuum line for a vacuum advance?
Depends on the vehicle and how it is set up. Some are connected before the throttle plate (ported vacuum or delayed vacuum) and some are connected after the throttle plate (straight manifold vacuum). More info needed.
Do you need to unhook your vacuum advance when using the timing light?
YES! Any time you adjust the timing you should disconnect the vacuum advance.
1970 Chevelle Malibu with a 350ci engine What should the timing be without the vacuum advance then with vacuum advance and at what RPMs?
800rpm manual transmission, o degrees advance 1200rpm automatic transmission 4 degrees advance
How do you adjust the timing on 1979 Caprice Classic?
That should be a 350 cubic inch engine with a carburator, HEI ignition with a vacuum advance. You will need to hook up a timing light to number one (1) cylinder. That is the front plug on the driver's side. Start the engine and let it warm up. There is an indicator on the front lower side of the engine. It is marked with the degrees. Disconnect the vacuum from the advance and plug it off and then adjust the timing to the desired specs. Tighten the distributor and plug in the advance. If you do not get an increase in rpm when the vacuum is connected, then the vacuum advance is bad.
How do i test a vacuum advance unit?
The easiest way I know to initially test the Vacuum Advance that is connected to a distributor is to simply detach the vacuum line from where the line leads to and suck air thru the line that should still be attached to the Vacuum Advance. If it holds suction, it should still be in good shape, if not, it's bad. .....OR..... because it could hold suction and still not move (froze up).......... To check it well ya need a timing light just see how much difference there is with the hose hooked up and not.....be sure to plug the end of the hose.....check timing.... do the same with the hose hooked back to the advance the difference should be 12 - 16dg
What can cause excessive manifold vacuum to the vacuum advance unit in a 1988 Nissan Pintara?
It is possible that you have the pipe connected incorrectly. There are two vacuum take offs, one before the throttle butterfly and one after. The pipe should be on the one on the filter or intake side of the throttle valve. However on some models there are two pipes and the second goes on the other side of the vacuum advance unit that tries to keep the unit in the retarded position.
Where should the vacuum advance be connected to on a Chevy 350 with a holley 650 carb?
It has to be hooked to a vacuum port that only has vacuum on it when you give it gas, That is called ported vacuum. If you look at the holly, you will see some small vacuum ports on it, start engine and witch ever one don't suck on your finger then that will be the 1 you hook it to. Then plug the rest if you don't need them for something else.
Does a 86 caddy 5.0 liter distriberter have vacuum advance?
Yes, it does have vacuum advance.
1978 350 with HEI ignition what should the timing be set at and at what RPM should the engine be running when you set it and does the vacuum advance need to be disconected?
SBC timing should be set at about 6-8 degrees advance with the vacuum disconnected at idle, about 600-800 rpm
Where does the hose from the distributor go to on a 1985 Chrysler fifth ave?
This must be a vacuum hose, with a connection to the intake manifold, at rear of carb. This must be an after-market distributor because the original "Lean Burn" computer did not have a vacuum advance distrib. The vacuum was connected to the computer that controlled the distrib. advance. these setups, one made by Mopar, kit #P3690426, by passed the computer and is vacuum operated.
What is a vacuum advance mechanism?
what is vaccume advance mechnism
Does the 1950 Chevrolet have vacuum advance?
If you're talking about the vacuum advance for the 216/235 distributor, then yes it has the vacuum advance, which runs off a carburetor connection close to the idle adjustment screw.
