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Manifold vacuum usually.
There may be some instances where someone reworked a distributor to arrive at a specific timing curve under load using ported vacuum with the vacuum advance, but this would be rare as most people would re-curve their distributor by changing advance weights and springs and would limit the advance built into a distributor so they could use more initial timing without having the total timing go over 36-40 degrees when the engine is revved up and all advance is in.
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Where does the vacuum advance hose hook up to a holley 650?
Any place that has constant vacuum Usually on the back side at the base of the carb.
Does a 86 caddy 5.0 liter distriberter have vacuum advance?
Yes, it does have vacuum advance.
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.
How do you replace the vacuum advance on a 1970 Pontiac V8?
Remove the distributor cap. Remove the hose to the vacuum advance. Remove the two screws holding the vacuum advance on. Install in reverse order.
Vacuum advance full time or part time vacuum?
Ported vacuum - part time.
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.
How do you adjust vacuum advance on a dodge electronic distributor?
pull the hose off the vacuum advance and some of them have a set screw inside the hole.
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
What is the reason for vacuum at distributor?
"VAcuum advance". Step on it, vacuum goes down and it advances timing for more performance/power. Idle of letting off, advance goes back to setting for economy.
How do you adjust the vacuum advance on a ford 302 distributor?
>you don't adjust the vaccuum advance. you adjust the distributor. then when engine is running the vaccuum advance will work automatically to the needs of the engine< As a matter of fact, the Ford vacuum advance is easily adjustable. Put a 1/8" Allen wrench through the open of the vacuum advance canister where the vacuum hose goes. Screw it in to slow the rate of advance and screw it out to speed it up. I think it works on a spring preload system.
Where is the vacumn advance for a 95 4x4 tk-350 engine?
That engine does not have a vacuum advance.
