ignition timing problem

Asked by Bardo Dec 24, 2015 at 12:01 PM about the 1989 Chevrolet Caprice Classic Sedan RWD

Question type: Maintenance & Repair

Y put the engine in t.d.c and the rotor to but still
don't start only have explosion on the exhaust
system

3 Answers
157,475

Bob answered 8 years ago

Yup, there are 2 top dead centers and one has the number 1 cylinder valves open. One must remember the crankshaft turns twice for every one rotation of the cam shaft. Also make sure you are using cylinder number 1 for determining TDC. Not all auto manufacturers label the cylinders the same.

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