Snap Gap Tool for 312

If you GOOGLE, you will find old sets.
 

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Fortunateson said:
Please enlighten us that are ignorant of this tool. Won't a regular point setting tool work?
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Not ignorant, just not made aware.

The tool has hollow sleeves that slide over the dist can so as you don't need to move to high point of cam. Saves a lot of time and sweat, especially if one specialized in engine tune before electronics.
 

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I still prefer using my dwell meter for accuracy. Reflects actual running status of the points.
 
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So if my thinking is correct you slip the sleeve over the cam and alter the gap to compensate for the sleeve and not have to crank engine? I would think dwell meter was better but would take considerable longer.
 
The GM stuff was easy to adjust for dwell. On the Fords, I set them to gap with a wire gauge and checked them with the dwell meter. I seldom ever had to adjust the dwell. When I did, it was usually because of a misalignment of the two point faces or a worn out bushing in the distributor body.
 
KULTULZ said:
Not ignorant, just not made aware.

The tool has hollow sleeves that slide over the dist can so as you don't need to move to high point of cam. Saves a lot of time and sweat, especially if one specialized in engine tune before electronics.
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Thanks for the education. When I use the term "ignorant" it basically mean unknowing or unaware, definitely not stupid.
 
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