Jeep Cj7 Vacuum Advance at Tammy Teague blog

Jeep Cj7 Vacuum Advance. Currently my vacuum advance for the distributor is hooked to a vacuum outlet. At part throttle, high manifold vacuum moves the diaphragm in the vacuum advance canister on the distributor to add more timing. But at wot, the vacuum drops to near zero and vacuum advance is removed and the total timing then is established by the initial plus the mechanical advance. the vacuum advance is load sensing, and adds ignition advance when the engine can tolerate it, automatically. What brand of hei do you have? you need to find a ported vacuum source for the advance. at high vacuum (low load such as cruising) the vacuum canister advances the ignition to allow for more efficiency. currently i have the advance connected to ported vacuum and am running base timing at 12* with my current setup. i run ported vacuum with the vac advance adjustment screw turned all the way out which in my particular case starts. this is how vacuum advance works. 82 cj7 4.2 l carter bbd carb. to get a replacement vacuum advance try this link to rockauto.com 1983 jeep cj7 distributor vacuum advance

at high vacuum (low load such as cruising) the vacuum canister advances the ignition to allow for more efficiency. to get a replacement vacuum advance try this link to rockauto.com 1983 jeep cj7 distributor vacuum advance Currently my vacuum advance for the distributor is hooked to a vacuum outlet. But at wot, the vacuum drops to near zero and vacuum advance is removed and the total timing then is established by the initial plus the mechanical advance. 82 cj7 4.2 l carter bbd carb. currently i have the advance connected to ported vacuum and am running base timing at 12* with my current setup. At part throttle, high manifold vacuum moves the diaphragm in the vacuum advance canister on the distributor to add more timing. i run ported vacuum with the vac advance adjustment screw turned all the way out which in my particular case starts. the vacuum advance is load sensing, and adds ignition advance when the engine can tolerate it, automatically. What brand of hei do you have?

Jeep Cj7 Vacuum Diagram

Jeep Cj7 Vacuum Advance this is how vacuum advance works. you need to find a ported vacuum source for the advance. 82 cj7 4.2 l carter bbd carb. At part throttle, high manifold vacuum moves the diaphragm in the vacuum advance canister on the distributor to add more timing. What brand of hei do you have? at high vacuum (low load such as cruising) the vacuum canister advances the ignition to allow for more efficiency. i run ported vacuum with the vac advance adjustment screw turned all the way out which in my particular case starts. But at wot, the vacuum drops to near zero and vacuum advance is removed and the total timing then is established by the initial plus the mechanical advance. Currently my vacuum advance for the distributor is hooked to a vacuum outlet. currently i have the advance connected to ported vacuum and am running base timing at 12* with my current setup. the vacuum advance is load sensing, and adds ignition advance when the engine can tolerate it, automatically. to get a replacement vacuum advance try this link to rockauto.com 1983 jeep cj7 distributor vacuum advance this is how vacuum advance works.