A: Actually, timing marks can lie! But only in certain circumstances. If you have a harmonic balancer with a loose/oily rubber between the inner and outer rings, and the fan belts drive off the outer ring, there is a high liklihood of the ring slipping (usually a short time before it fails altogether!) On balancers that are solid and not 1 piece, the woodruff key that is supposed to keep them in place can be sheared through a number of unfortunate circumstances (loose crank bolt and the motor or belt driven accessories coming to a sudden halt is one way!) From: AMC74Hornet@xxxxxxxxx Subject: {FORGED?} Re: Finding TDC with a dowel To: mail@xxxxxxxxxxxx Message-ID: <ADVANCES62ZbLAX3cf30000006a@xxxxxxxxxxxxxxxxxxxxxxx> On November 30, 2004 Brian Hagen wrote: > I think you misread my post. > > If i have the engine set at TDC according to the timing mark, and the > rotor > is set at #1 cylinder.. it wont run. Only by turning the distributor so > far > counterclockwise that its actually PAST #4 does the engine run. That > tells > me the TDC according to the timing mark is wrong. > > Get it? > > > . Timeing marks don't lie unless the engine has a sloppy timeing chain and has jumped time. Bump it back clockwise a tooth or two and see if that will make the engine run. I can only sense your frustration and hope you find the problem. "Doc"