Timing changed after Cap + rotor swap?!

[DrCharles]

I can't believe Crackedback has had to explain this twice (or more), and so has Trailbeast.
THE ROTOR AND CAP DOES NOT SET THE TIMING!
The reluctor position relative to the pickup sets the timing, and centrifugal + vacuum advance add to the timing by moving their relative positions.
There are very few possibilities and they are: 1) distributor body moved despite the clamp being tight; 2) if you rewired things you may have reversed the pickup leads; 3) the vacuum or centrifugal advance system is sticking.

 

[RustyRatRod]

The position of the cap on the distributor hasn't a damn thing to do with ignition timing.

Some of yall need to go back to school.

 

[TrailBeast]

I think a lot of people confuse the rotation of the distributor for timing changes with the cap and wires being rotated instead of the trigger mechanism that tells the coil to fire.

Now lets really confuse it and say that you could literally turn just the cap (not the body of the distributor) with the engine running to the point the spark can't reach the contact it is supposed to be going to any more and the timing wouldn't change even to the point the engine died.

 

[DrCharles]

Some of yall need to go back to school.

Well, we're trying to school them...
From The Wind in the Willows:

The Toad, having finished his breakfast, picked up a stout stick and swung it vigorously, belabouring imaginary animals. "I'll learn 'em to steal my house!" he cried. "I'll learn 'em, I'll learn 'em!"

"Don't say 'learn 'em,' Toad," said the Rat, greatly shocked. "It's not good English."

"What are you always nagging at Toad for?" inquired the Badger, rather peevishly. "What's the matter with his English? It's the same what I use myself, and if it's good enough for me, it ought to be good enough for you!"

"I'm very sorry," said the Rat humbly. "Only I think it ought to be 'teach 'em,' not 'learn 'em.'"

"But we don't want to teach 'em," replied the Badger. "We want to learn 'em—learn 'em, learn 'em! And what's more, we're going to do it, too!"

 

[yellow rose]

NO

You are changing the relationship of the reluctor and the pickup.

Simple question, what triggers/signals the coil? The rotor or the reluctor wheel?

If you believe the rotor does the triggering, why must some people do rotor phasing? Hmmm????

Turing the distributor does NOT change the relationship of the rotor/reluctor.

It changes the relationship between the rotor and the post on the cap.

The reluctor is fixed. That's why the make tools to bend the reluctor. To change timing to an individual cylinder.

 

[yellow rose]

The position of the cap on the distributor hasn't a damn thing to do with ignition timing.

Some of yall need to go back to school.

Now that I think about , RRR and crackedback are correct. You can move the cap all around and the timing won't change the timing, but will move the rotor out of phase.

 

[TrailBeast]

Now that I think about , RRR and crackedback are correct. You can move the cap all around and the timing won't change the timing, but will move the rotor out of phase.

AKA too far from it intended contact to jump.
A good hot spark will start jumping to the next terminal instead and really make the engine flip.

 

[IfItsGotWheels]

I'm sittin' here feeling like an idiot. Don't know what I was thinkin' about Sorry all

 

[BigBlockMopar]

The only way the cap can move/rotate a bit on the housing is if there's no vacuum canister mounted.
As locating tab for the cap is part of the vacuum canister.