Cardone 31402....combo vac/mech replacement dizzy as well. Good prices!
On the 31400 (mech. advance, only).....
If it's the 40819 curve, it should have a
"15" (degrees of distributor advance available = 30 degrees of advance available
at the crankshaft) stamped somewhere easily visible on the advance weights
within,
under the top plate.
However....
If there is a "10" stamped within, it's possibly the 41372 (or facsimile
thereof) advance curve Peter C. of Worldwide
talked about some time ago. In this case,
a "static" setting of 10 degrees BTDC will
do the trick for a max of 30 degrees of advance at the crank.
Either will work just fine in a basically stock
or mildly tuned 1275.
Cap'n Bob
Basic Frog
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