WebBy applying a timing tape to the harmonic balancer, for example, you can set initial timing with a standard timing light and check total timing as well. To check only initial plus mechanical advance, disconnect the vacuum advance. Total timing requirements are dependent upon many variables. A typical street engine with a compression ratio of 9. ... WebJul 21, 2010 · At 3000 RPM's (non-WOT) you can pull vacuum, which would screw up your timing readings depending on what your vacuum advance is doing. So, set your initial …

Timing is Everything: How Initial, Mechanical, and …

WebJan 24, 2024 · Determine your desired total timing. (See below for basic guidelines.) Set your Timing Light to your desired total timing. Start the engine. If you have Vacuum Advance, disconnect it. Rev the engine past the point where your mechanical advance is fully engaged. (Usually, 3,000 - 3,500 rpm will do it.) Watch the timing mark on the harmonic ... WebJan 11, 2008 · With the cam you have set the initial timing to 18 deg,make sure the motor is idling low /600-650 rpm to ensure the mech adv in the dist isnt partially activated which will upset the initial timing setting. Also make sure the vac avd is unhooekd/plugged too whicle setting base or total timing. standard type token ratio

How To Check and Set Up Base Ignition Timing - DIYAutoTune.com

WebApr 16, 2024 · With the rotor close to the Number One position, twist the distributor body until the rotor points directly at the Number One spark plug terminal position mark on … WebJan 24, 2024 · Start the engine. If you have Vacuum Advance, disconnect it. Rev the engine past the point where your mechanical advance is fully engaged. (Usually, 3,000 - 3,500 … WebApr 11, 2013 · Total timing is what you're interested in, initial just falls wherever it needs to be. In my experience, with an aftermarket camshaft over about 236/236 you'll need around … personalized kn95 face masks bulk