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Pre-1997 Models

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Old 01-21-2009, 05:24 AM
Senior Member
Join Date: Jun 2005
Location: Easton, Kansas
Vehicle: 1995 FORD F150
Posts: 639
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.
95 F150 5.0 4R70W EB 3.31:1 NLS
83 F150 5.8 AOD 3.25:1 LS
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Old 01-21-2009, 05:05 PM
Senior Member
Join Date: Aug 2007
Location: CA
Vehicle: 1986 Ford F150
Posts: 961
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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Old 01-21-2009, 05:05 PM


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