Re: Which Coil do you guys use?
Posted by Owen_Dyneto On 2011/4/18 11:19:57
Not much to add, seems you have it under control. But I think 12-volt coils come in two flavors, those for use with an external resistor and those with an internal resistor.
And solid metal-core high tension wires are non-resistor type.
Also, this distributor does not have the flexible points power wire under the cap, the screw on the outside connects solidly on a plate witht he points on the inside. So that's not an issue unless it's shorting out, i'll try it tonight.
If that's the case, how does the vacuum advance rotate the moveable plate the points mount on, independently of the distributor body?? If I'm reading you right, something is very wrong - the plate with the points must be able to rotate freely against the fixed plate.
A really RARE ignition problem I encountered only once involved the flexible ground wire from the moveable plate to the fixed plate. It was too long and looped upwards enough for the high tension from the rotor to jump to ground there rather than to the spark plugs. Worth a quick look.
Photo is 56 Delco, typical in most regards to the earlier units. Note the hole at about 5:30 with the felt exposed - for oiling, often ignored, as is the felt in the shaft center. Many Auto-Lites used a grease-packed ball bearing for the breaker plate rotation. When I put points in a car I've not maintained, I usually strip the distributor down completely to check for wear, movement of the centrifugal advance mechanism, and lubricate. There are several places that require sparing but regular lubrication besides the shaft oiler or grease cup. Perhaps this link is old-hat, I've posted it before.http://www.packardclub.org/forum/viewtopic.php?f=14&t=861
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And solid metal-core high tension wires are non-resistor type.
Also, this distributor does not have the flexible points power wire under the cap, the screw on the outside connects solidly on a plate witht he points on the inside. So that's not an issue unless it's shorting out, i'll try it tonight.
If that's the case, how does the vacuum advance rotate the moveable plate the points mount on, independently of the distributor body?? If I'm reading you right, something is very wrong - the plate with the points must be able to rotate freely against the fixed plate.
A really RARE ignition problem I encountered only once involved the flexible ground wire from the moveable plate to the fixed plate. It was too long and looped upwards enough for the high tension from the rotor to jump to ground there rather than to the spark plugs. Worth a quick look.
Photo is 56 Delco, typical in most regards to the earlier units. Note the hole at about 5:30 with the felt exposed - for oiling, often ignored, as is the felt in the shaft center. Many Auto-Lites used a grease-packed ball bearing for the breaker plate rotation. When I put points in a car I've not maintained, I usually strip the distributor down completely to check for wear, movement of the centrifugal advance mechanism, and lubricate. There are several places that require sparing but regular lubrication besides the shaft oiler or grease cup. Perhaps this link is old-hat, I've posted it before.http://www.packardclub.org/forum/viewtopic.php?f=14&t=861
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