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I can start and drive my truck but once it gets warmed up and you try to restart it makes a new batery sound dead. Now I have changed everything voltage reg,coil,alt,starter,and installed a mallory ignition along with new plug wires ,plug ext.... Anyone got any Ideas?
Thanx
PooreBoy ** Your problem has nothing to do with having headers, You have a tipical ford ground problem. A quick,easy and long term fix is to run a second cable the same size as the battery ground cable from the engine block where your battery ground is over to the truck frame. I did this 10 years ago because of the very same problem and never had another starting issue since even with the truck sitting for almost 2 years it still has no starting issues.
No it does not,but I was thinking about that and I thought it will warm in 10min and then not start,could it heat the starter that fast,that it may need a heat shield?
After changing everything the only thing left is engine timming. Get her hot a try bumping the dizzy back a couple degrees at a time to see if it turns over easier.
PooreBoy ** There was a reason why I said to run that second ground to the frame. If I thought for a moment that running the second ground to a fender would work then I would have told you that. Remove the bolt from the block that the battery ground goes to, Clean the block there with sandpaper and also the battery ground end the the bolt goes thru then sand a spot clean on the frame ( there are holes in the frame ) somewhere behind the front bumper, Now on the block useing that bolt attach both cables to the block and with another bolt ( a clean one ) bolt the other end to that clean spot on the frame. I do not run headers but my exhaust pipe is 1/4" from my starter and I have no heat shield and no starting issues.
Sounds as though your initial timing may be too far advanced, are you experiencing any starter kickback? it will be harder to start when the engine's hot, try retarding the timing a degree or two.