'99 Explorer 302 in a 1981 F150

Asked by Sep 05, 2016 at 02:02 PM about the 1981 Ford F-150

Question type: Maintenance & Repair

I installed the '99 302 in my '81 F150 Ranger about 4, or 5, years ago, using the '81 distributor, intake and carburetor. All of the sudden it quits on me. It started acting like it ran out of gas just recently, but it had over 10 gallons left. When I did get it to crank, it would putter along like it was running on fumes, now it won't crank at all.

I've checked to see if the timing chain jumped a tooth to interfere with the timing, but it was in great condition and where it should be. Fuel is getting to the engine like it's supposed to be.

When I put the engine in, I had to take it to someone else to get it to fire correctly, but they aren't around anymore. And, when I took it apart I didn't pay attention to the firing order they used. It being a '99, but with '81 ignition system, I'm wondering if I still utilize the new firing order, or the old 302 firing order.

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