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I just bought a 1972 F250 4x4 with what the guy said was timing problems. He parked it about 5 years ago because it wasn't running right and a mechanic told him it needed a new timing chain. Should I simply replace the timing chain/gears or should I tear the engine down and check everything over? Any suggestions? How likely is it that the timing set is bad yet the rest of the engine is good? This was a city owned pickup and had a dump bed and a blade on it, the odometer shows 59,500 and I wouldn't be too surprised if that's actual mileage.
Check the compression, clean up the plugs, check other ignition components, clean the carb and see if if will fire at all. Do all the basic stuff to make sure they had not missed something simple. Then, if it still struggles, pull the front off and check the timing chain/gears. If your compression is good and there aren't any terrible noises when you turn it over, you should not have to get deep into the motor. Especially if there are really only 59000 miles on it.
I'm not to sure about the mileage that's only a guess. At first I was going to do exactly what you said but then I started to worry that if I got it started and the timing chain let go it could do some damage.
[updated:LAST EDITED ON 06-Nov-02 AT 02:19 PM (EST)]I would really start with gtex's suggestions first. But if you are really, really concerned with the timing chain, it would be allot easier to drop the fuel pump and take a look in there at the chain and check tension that way rather than the hassel of pulling the water pump and timing chain cover. It just seems a bit much to go on some other fellows guess. At least it could give the peace of mind to fire it up. Then again, if you've got the time on your hands go for it.
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