460 timing problems - Ford Forum - Enthusiast Forums for Ford Owners

460 timing problems

  #1  
Old 07-23-2018, 01:54 PM
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Default 460 timing problems

Hey I'm new to this but I thought I'd try it out. I've got '71 Ford highboy I replaced the original 360 in it with a 460.a few years ago. Lately when I shut it off it wants to keep running I believe it's called spark knock. It don't do all the time. I've moved the distributor a little in both directions but nothing seems to help. I'd appreciate any help someone might have.
 
  #2  
Old 07-23-2018, 02:35 PM
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Join Date: Jun 2010
Posts: 8,805
Default

I believe it was called "dieseling or run on".
I also believe they used an idle stop solenoid mounted on the carburetor that when the key was on it idled at normal idle speeds. Then when the key was turned off the solenoid would drop back and close off the throttle plate thereby preventing it from getting any air/fuel and preventing it from dieseling.
 
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