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Distributor or plug wires? it runs great most of the timeit doesn't do it all of the time the spitting and popping that is could it be electrical or in the ignition?
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ok ran great before changes. right. you say unpluged computor to set timing.. yes.. do you mean the plug on the firewall passenger side that looks like a fuse holder kindof..?? (set timing connector ) (tan /blk wire)
did it run good during timing proceedure??? wont be MAP that is engine vacume has nothing to do with what you have replaced.
proceedure is to set timing . shut off engine , plug in.. then restart.
yes timing moves as per ECM specs. check that timing did no get out one tooth when you replaced distributor. retime . restart
hello barryi... you most likely have one or more bad spark plug wires or a tiny crack in the distributor cap resulting in this moisture problem. Carefully examine each of the spark plug wires for a hairline crack or replace the entire set. if that doesn't solve it replace the distributor cap. joe
its possible it needs tune up but also check the timing. alot of chevy's spit and pop and when you shut them off and go to start later they wont, this is when the timing cam gear goes bad and out of time. turn crank to top dead center (TDC) on timing mark on front of engine cover or tab first, then remove dist cap and notice where the supply point of the rotor is facing. is it pointing to the # cylinder (very front of motor on the driver side)? Or is it aiming to the plug wire location on the dist cap that goes to the # 1 spark plug. ( the front plug on the driver side of motor )? If neither of these are in line then timing is out of wak. If it's all good then check plugs for old worn or burnt electrodes then check rotor with multi testor for current travel, then check cap for electrode failure and then check plug wires for current loss and burn. then perform a compression check on motor. (dry & wet)
are you sure the wires are on correctly on the distributor cap? If it ran fine before you replaced the wires and doesn't after you replaced the wires than it has to be something you did with the wires?
Sounds like ignition problem, check all electrical connectors in ignition system for tight corrosion free connections, check condition of plug wires and distributor cap.
Sounds like moisture is getting into the distributor cap. Try putting a
thin film of petrolium jelly around the lip of the distributor cap
where it seals down onto the distributor. This should stop the water
from getting in.
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