Still not common on a 413, and this is suppose to be a remanufactured engine. I have had the timing chain stretch, and then made up for it with adjustment to the distributor. Eventually, replacing the timing set cured the trouble. In this case, I just don't think so, but we ain't there to look at it.
---- DR CHALLENGER <drchallenger@xxxxxxxxxxx> wrote:
> THE TIMING CHAIN can jump from being strected and or the gears are woren.
> Also could be a bad coil.
>
> >From: JAY D'ANGELO <cadij@xxxxxxxxxxx>
> >>I don't know yet. I don't think it was the carb. They installed a new
> >>1406, same as before and rewired everything.
> >
> >However, when I picked it up, it still was flat spotting and backfiring
> >when I give it more gas. Got to be electrical. I doubt it's the Pertronix
> >ignition module, though. Spent a lot of time researching and found that
> >when they fail, they do so suddenly without any warning.
> >
> >The timing is at 5 degrees BTC; I changed it from about 15. I'm thinking
> >the plugs and wires - sounds like a misfire to me. I had this problem
> >before and found that one of the spark plug boots had come loose and was
> >barely making contact and on acceleration or turns, the engine would falter
> >and pop.
> >
> >I checked the connections before the fire, but perhaps one of the wires or
> >plugs is bad and is causing a misfire. I'll pick the car up again from the
> >shop on Tuesday and I will replace the plug wires and switch to Autolite
> >85's.
> >
> >Someone mentioned that the timing chain may have jumped. I don't hot rod
> >it, so I can't figure how that may have happened.
> >
> >But, it idles steady as a rock and at slow feed on the gas, there is no
> >problem. Keep your fingers crossed for me - I hope it's the plugs and
> >wires, cause that's a heck of a lot cheaper than alternatives.
> >
> >
> I WOULD LOOK CLOSLY AT THE COIL.
>
>
>
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