Anyone having problems with replacement distributor pick-up coils?

It seems my replacement coil is maybe a 1/16" further around on the base plate, then the original, so that it doesn't match up with the reluctor tooth when the rotor is opposite the #1 plug tower in the cap.

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'81 D150 with "Lean Burn"

Sounds like specifications for parts are mere suggestions these days.
Rotate the distributor to where the reluctor matches where it used to be. It's like when I replaced the gear....couldn't get the thing lined back up the way I marked it...Oh, the teeth are not in the same place in relation to the shaft... Bottom line, reset the timing after it's back together.

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My '73 "Gold" Duster /6
http://www.cardomain.com/ride/2789359

Yep.

Another thing to note as well..you can also move the position of the pickup plate if you don't have the index roll pin in the distributor body
for the vaccuum advance... it does make a couple degree difference
if you just reassemble and plug it back in...

Good Luck,

-D.Idiot

Always check your dist. rotor phasing with a hole drilled in an old cap.Some of these aftermarket pick-up coils are wired backwards,and throw your timing off by as much as 20-25 degrees-and it sounds like yours is of very poor quality.

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V8?? We don't need no stink'n V8!!

Well, here's the thing, the reluctor is keyed to the rotor shaft and, of course the rotor is indexed to it also, so that the number of degrees between the reluctor tooth and the rotor is fixed. So when you rotate the dizzy counter-clockwise to match up the coil and reluctor tooth, the rotor is also rotated away from pointing straight to the cap terminal.

I seem to remember something about a rotor with an extended rotor tip? This would compensate for the variations.

The dizzy is for the lean burn so it doesn't have any flyweights or a vacuum pot and the base plate is fixed with only one way to go in.
I'm not sure I follow, I mark the No. 1 plug wire tower on the distributer body and make sure the rotor is pointed at it when I install the dizzy with the engine at TDC (compression). How would a coil be wired backwards?

FYI it is a wells CR117 coil

In any case the thing is installed and seems to be running Ok, but not quite as well as it used to, but I really haven't fussed with it much yet because of the Memorial day holiday weekend.

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'81 D150 with "Lean Burn"

you ask: How would a coil be wired backwards?

Well its not the coil that is backwards its the magnetic pick-up that is wired backwards from the factory.

At high RPM's it will actually retard the advance.

If your electronic tach is incarcerate at low rpm it s cause is reversed pick-up wiring

I have an allen distibutor machine that I play around with.
This is how I know.

It is the pick-up coil i was referring to.

Ok, I could see the plug being wired on backwards so the current flows in the direction opposite of the intended design?

So how do you tell if it is wired backwards (there is no tach)?

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'81 D150 with "Lean Burn"

Engine runs poorly at higher RPMs.