Question about 1981 Ford F 150
If the engine has been swaped, it could very well be the old style firing order as you call it. There are a couple of ways to find out. First if the intake is the one that came with the replacment mtr, then you should be able to find that engines firing order on the intake- normally right in front of the thrrottle body/carb. The other way would be to rotate engine over by hand slowly and see where the rotor points in relation to the terms on the cap and check that cyl with the plug removed to see if in fact that it waas on a compresion stroke near top dead center or at least on the final stroke of it. GL
Posted on Sep 04, 2009
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Posted on Jan 02, 2017
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