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  #1  
Old 07-24-2014, 02:19 PM
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Default Timing Marks

On my 62, the manual shows the timing mark as a "O" that is supposed to line up with the 0,3,6,10 on the harmonic balancer. I do not see or have the "0" marking but have 2 "X"s instead. Which "X" would I use to line up to 8 degrees BTDC?
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Old 07-24-2014, 02:54 PM
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You should have a raised dimple on the balancer that you can feel. That is your timing mark. The 0,3,6,10 pointer should be on the timing cover. Ford changed the timing setup quite a few times over the years. I'm assuming your motor is the original. Earlier FE models had the timing degrees on the balancer and just a pointer on the timing cover. Without seeing a picture I can't tell what setup you have. That being said I've never seen X's used as timing marks.

John
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Old 07-24-2014, 03:54 PM
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Thanks John,

I will post some pictures. I have the pointer with the timing marks on the timing cover. The pointer at 8 is pointing at one of the Xs on the balancer. It seems to be running smooth there. I did see the raised dimple after all but it is far from the Xs(about 1/4 turn . With the car running and timing light pointing at the balancer if I rotate the distrib so the raised dimple is heading towards the numbers on the pointer, the engine bogs down and wants to stall. So I put it back towards the two Xs and plugged the vacuum line back into the distributor.
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Old 07-24-2014, 04:03 PM
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Sometimes the balancer will spin and that's why the timing marks are off. There are a number of ways to find out where TDC is. You can also set the timing using a vacuum gauge. Retard the timing until the vacuum goes down. Then advance it until you get the highest vacuum then retard it slightly. If it pings when you drive it then retard it a little more.

John
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Old 07-24-2014, 04:24 PM
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Here are the pictures. First time ever doing this and I do not own a vacuum gauges or compression gauges. They will be my next investments. You can see the first 0 on the pointer pointing at the second X on the balancer. The raised dot is about 7 inches around the circumference of the balancer. I tried to get a picture of it but it did not turn out. When I tried to bring that raised dot towards the pointer the engine tried to stall so I figured that wasnt the raised dot I was looking for. I will try again later. Must drive my sons to soccer practice.
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Old 07-24-2014, 05:05 PM
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Hi John,

I was thinking what you said. If the dot spins is that called centrifugal advance and servicing the balancer is required. I thought I saw that raised dot bouncing back and forth when I was focusing the timing light on the Xs. Sorry I new to this and am just guessing. I will do some research when I get home.
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Old 07-24-2014, 05:15 PM
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Centrifugal advance is something different. When the TDC timing mark moves it indicates that the rubber balancer has slipped. It's not uncommon. Other than replacing the balancer the only other thing you can do is find out exactly where TDC is and remark it on the balancer. Of course that doesn't mean it won't slip again.

John
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Old 07-24-2014, 07:14 PM
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Thanks, I will have to look into this more.
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Old 07-27-2014, 12:28 AM
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I had some time this evening and played around with the timing again. I started by slightly loosening the distributor bolt, and warming up the engine. I then checked the timing and found that the raised dot had reappeared but was a little ways off to the left of where it had been yesterday, and the two "X"s had disappeared. I pulled and plugged the vacuum from the distributor and with the timing light started to turn to the distributor clockwise until the raised dot on the balancer was around 8 BTDC. The engine sounds perfect. I took it for a drive and it never sounded better. At 70MPH it drove smooth and the roughness I noticed since I bought the car last year was gone. That was odd. Its like the rubber balancer slipped back into position bringing the raised dot back to it's proper position. I performed the same sequence today as I did yesterday.

Hey John,

I am going to purchase a vacuum gauge and do the testing you mentioned to ensure the engine is perfectly tuned now? I have the Pertronix 2 and flamethrower coil installed and want to be sure everything is running as best as I can make it. The possible slipping of the balancer has me questioning my recent success in getting the timing close. I will try to find now the vacuum numbers I will be looking for as I try to tweak the timing.
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Old 07-27-2014, 12:55 AM
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That is strange. I've seen them slip but not go back where they were. However since it's running so well I can only assume that it's in the right position and your timing is correct. I would check it from time to time to see if it moves. A slipping balancer can cause other problems like a vibration at high speeds. When you originally timed it what was your idle speed. If your idle speed was too high there would be enough centrifugal advance to make it seem like the timing mark was off.

John
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