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every since i changed my engine in my 83 f-150 4x4, 302, no headers, i have been having trouble with when it gets warm it will not turn over worth a dang, have to let it sit and cool off and it will turn over like new truck. i have tried 4 different starters all do the same thing. i have checked the timing, put in new starter bearings, i was hoping that everyone here who has an idea, or what they have done in the past, would help me get this figured out. things that i was wondering, maybe a heat sheild, or new cabels (from batt to solinoid and sol to starter, and ground, and if putting a heavier one would help) i have also changed the solinoid. so please help, if i forget to post a reply, Thanks!!!!! ahead of time.
I know you checked your timing, but make a note where it is, and then turn it back about 5 degrees and see if it helps. Also, I think the duraspark II ignition has a start timing retard built into it. For it to work, you have to have 12 volts on the white wire on the ignition module while the engine is cranking. This comes from the ignition switch.
thanks for the reply franklin2, my dad has a timing light that has that advance feature on it, well he lost the directions, and he thought that you dialed in what you want to be set at, but that feature is actually to find out how much you are off, so a person is supposed to set it at 0 on light and then use as a regular timing light, so it turns to find out is that i was actually set at 20 deg, but now i set it to 10 degrees and it works perfect. but thanks for the info on that white wire, never know may need it someday.
Here's how I use mine (and I THINK, that's how you're supposed to use it). Set the light on the degrees advance you want -- and set the timeing on the engine when the marks on the indicator show Top Dead Center. Usually, TDC is easier to read, therefore easier to set. The light compensates for the advance, so you are actually setting the distributer to the correct advance.