Adjusting points gap.

Hello to all,

Checked my points the other day and due to some pitting decided to change them. Got a set from a local mechanic and set about the task.
I removed the old set and opened the pack for the new set only to find that they are the wrong type.
The old ones have the pin on the bottom of the points set that slots through the base plate and into the hole in the arm of the vacuum unit.

OK, not a total disaster I thought. I can put the old ones back in and go from there.......... Then the fun started.
Firstly I proceded to drop a washer into the distributor which, for the life of me, I was unable to get out. So I had to remove the whole distributor as leaving it in there was a ridiculously stupid idea.

So I removed the dizzy and totally dismantled it, cleaning everything as I went and putting it all back together with a light smear of grease. Then I returned the dizzy to the vehicle ( having remembered to mark both the rotor arm position on the rim of the dizzy and the shaft in relation to the engine block). All appeared sound.

The big moment came and the car started without an issue. The only question I have is what is the correct method for adjusting the points? There is very little play in the points after having slacked off the screw. In the past i have seen a slot for a screwdriver which you pivot one way or the other to open or close the points and then tighten the adjusting screw.

The gap at the moment seems OK but the lack of movement for adjustment worries me.

RT.
 
Hello RT,

I removed the points in my distributor some 20 years ago, so I am going from memory from that time, so please be gentle if I make a blue.. :p

I recall fitting the points and tightening the screw which secures them to the base plate. Then with a dwell tachometer attached and the engine idling, I would turn the dwell adjustment screw to obtain a reading of 26 to 28 degrees, and that was that.

When the points are fully open, the clearance should be 14 to 16 thou. This can be adjusted by the dwell adjustment screw as detailed above.

Ron.
 
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