I would say all that you have said here Jim Is GENERALLY good,but I have a few issues with it.But if we wer going to "nit pick" this statement:
#1 You WILL NOT compensate for loose timing components by resetting timing!(Cam gears,crank gears,timing chains,distributor drive gears,distributor cap that has a bad indexing tab,even oil pump drives(I bet I will get questions about that one???:)rapid rpm changes up and down will change timing on an engine with loose components.
#2 Like I originally stated :It would take ALOT of the rotor to be out of phase to fire out of time,UNLESS you couple a slightly loose rotor with an alternate path for the rotor to be pointing to an alternate grounding point other than the correct pole in the cap.Examples:Carbon tracking inside the cap,cracked cap,1 pole in cap corroded,will jump to NEXT available ground,like NEXT cylinder in firing order.) Those are unlikely scenarios that might happen and also prove only that a cap is bad and being the issue. But I have even seen rotors from the factory that are pretty far out of phase. I have seen them right when the points are breaking to let the coil discharge that the rotor is BARELY favoring the correct cylinder to be firing!!
I know on these old tractors we play with that we can generally get away with murder because of the lower RPMs and low horsepower/low compression,ect, (The distributor MIGHT be turning 800 rpm at best on average??)On a high RPM engine you couldnt.
Generally,I agree with what you said,but the are situations where it WILL mess with timing.
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