Packard Forum Index » Pre-War (1899-1942)

Packard had many different distributor model numbers, are they really all different and exclusive to their particular model year and engine? The reason I ask is, my 1940 356 engine has a Auto-Lite IPG 4502E 12H distributor which is for small 8 1954 engines! The correct distributor for my 356 is IGT 4102, is there a functional difference between the two? Just rebuilt this 356 and I had to set the advance to about 15degrees to get any power and smoothness under load. Is this out of spec advance going to cause any harm over the long run?