1986 F150 351W H.O. Total Timing - Page 2 - F150online Forums


Pre-1997 Models

1986 F150 351W H.O. Total Timing

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  #16  
Old 01-21-2009, 05:24 AM
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The chart for 1985 says EXC. 4-64Z-R10 and the any other is 10-12.5.
I think you missed the EXC.
So yours is base timing (no advance) + 10-12.5 = your advance.
Just run the distributor scope at 1250 while you bend the tabs until you get a 10-12.5 advance on the spark dial.
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  #17  
Old 01-21-2009, 05:05 PM
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Missed that of course Need to stop working on stuff at 2AM, lol

Thanks for all of your help, I really appreciate it!!!!
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