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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Timing is off

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Old Sep 21, 2021 | 09:13 PM
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Timing is off

Ive got a 1966 F250 with the I6 240ci 3.9L. Had the truck running 2 years ago. The last time it ran, I started it up and hit the gas pedal a little too hard and it back fired and stalled out. Got it towed home and pulled the distributor. Distributor gear has a few teeth sheared off. Since, then, I bought a new distributor dropped it in at TDC, and top of the compression stroke of the 1st cylinder. Turned the truck over and really tried to start. Pulled the distributor back out and no longer in time. Question is.... timing gears vs camshaft gear. I could pull the front of the engine off and pull the timing cover off to look. Im sure it still has the fiber cam gear. Im told thats usually rhe culprit. However, if it is the camshaft gear to the distributor, thats a bit over my head. Is there an easy way to tell if it is the cam gear by shining a light down the distributor hole? I appreciate any advice. Definitely want this truck back up and running before they stop making parts for these old girls!
 
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Old Sep 21, 2021 | 10:04 PM
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From: Phoenix
Yes, but you will need to rotate the engine so the cam rotates 360 degrees. Use a bump start method while looking at the cam gear.
 
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Old Sep 21, 2021 | 10:09 PM
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Originally Posted by lizardman1
Yes, but you will need to rotate the engine so the cam rotates 360 degrees. Use a bump start method while looking at the cam gear.
Bump start how?
 
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Old Sep 21, 2021 | 10:10 PM
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I have bad luck with bumping the starter to see details. Seems to go too fast or too far... can you get a helper to turn it over by hand while you inspect?
 
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Old Sep 21, 2021 | 10:12 PM
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Originally Posted by Red60
I have bad luck with bumping the starter to see details. Seems to go too fast or too far... can you get a helper to turn it over by hand while you inspect?
I see, and yah I could do that. Though about tracking down a borescope to make it easier.
 
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Old Sep 21, 2021 | 11:37 PM
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Use a remote starter to rotate the engine.

heavy duty remote starter switch for sale | eBay
 
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