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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Timing Adjustment

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Old Nov 30, 2012 | 05:26 PM
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71'3604speed's Avatar
71'3604speed
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Timing Adjustment

Hello, I recently purchased a 89' f-250 regular cab longbox 4x4. It has an injected 460 and a zf5.

It runs real good and I have been getting 12 mpg in town driving easy, which I am happy with but there is always room for improvement.

I have been reading up on the "6 litre tune up" and the only question I have is how to advance the timing. I have had older trucks and I can time them but when I loosen the clamp on this 460, I cannot get the distributor to turn. What am I doing wrong?
 
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Old Nov 30, 2012 | 06:31 PM
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White 97 xlt's Avatar
White 97 xlt
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You aren't doing anything wrong.. The distributor is just stuck, spray the heck out of it where it goes into the engine and keep trying to turn it a little at a time... If you get to move any just start going back and forth, it will free up a little better that way....


Don't forget to pull the spout connector when you get ready to set the timing...
 
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Old Nov 30, 2012 | 07:17 PM
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I advanced my 92 460 to 14, it ran fine but would ping only when towing heavy. I set it back to 10 and really don't notice much difference besides no pinging. This was with 87 octane fuel
 
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Old Dec 2, 2012 | 08:22 AM
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ok great. thank you much for the help!
 
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