1966 352 timing mark
Fleet Mechanic
Joined: Oct 2007
Posts: 1,972
Likes: 103
I was thinking about that this morning myself.
My truck didn't have a thermostat, now that it does I need to retune the carb and adjust the timing.
Last timing change was by ear, I finally found my timing light and need to do it the correct way.
I didn't see the marks either.
My truck didn't have a thermostat, now that it does I need to retune the carb and adjust the timing.
Last timing change was by ear, I finally found my timing light and need to do it the correct way.
I didn't see the marks either.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 784
From: Simi Valley, CA
Timing marks located on harmonic balancer (6312 in pic), not on flywheel that you cannot see unless you have x-ray vision!
Timing pointer located on timing cover.
Am I missing something? 
Timing pointer located on timing cover.
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Use a vacuum gage, gives you a reference at least. A lot of stuff has to be right for a timing light to be useful on these older trucks after all these years. If you aren't or till you are sure a gauge works great.
Never thought I'd buy a timing light again in a million years, but as it happens one should be in a care package from Speedway, today. Ordered some timing tape too, to read what the total mechanical advance is at different RPM, but a roll of masking tape and some measurement will do exactly the same thing. China marker, yellow crayon, chalk, it helps to fill in the marks on the damper. 90 deg. marks are useful when setting valve lash. A rat tail file and a paint dab will work too for whatever marks you decide runs best.
Never thought I'd buy a timing light again in a million years, but as it happens one should be in a care package from Speedway, today. Ordered some timing tape too, to read what the total mechanical advance is at different RPM, but a roll of masking tape and some measurement will do exactly the same thing. China marker, yellow crayon, chalk, it helps to fill in the marks on the damper. 90 deg. marks are useful when setting valve lash. A rat tail file and a paint dab will work too for whatever marks you decide runs best.
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Senior User
Joined: Apr 2014
Posts: 133
Likes: 1
OOps, did not mean flywheel. Yes I cannot find it on the Damper. Working on these old vehicles make me wish I had x ray vision. I will try my vac gauge and go high tech and breakout my wide band O2 sensor and display.
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Make some tape, or buy it, once you find the TDC mark, at least. The damper marks are often really faint marks, draw a crayon or china marker over them and wipe it off solvent works good, but the tape works better and extends out to 60 crank degrees.
If you only have a gauge and no light advance for maximum vacuum and back off just a little and that should be good for a stock motor. Reset idle RPM and mixture. High compression engines and low octane fuel won't take too much advance on initial.
If you only have a gauge and no light advance for maximum vacuum and back off just a little and that should be good for a stock motor. Reset idle RPM and mixture. High compression engines and low octane fuel won't take too much advance on initial.
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