Ignition advance

[Richard in Florida]

Originally Posted by Ol' Ron

Over the past few years Richard and I have used his engine as a test bed for our economy tests. By using an A/F meter and a GM distributor, we tried numerous combinations of carburetor jetting and ignition advance curves. The explanation I gave in another post was in error and Richard was kind enough to make the following corrections. OK Dummy, here's the right way to do it.

Probably a good idea to point out that this method of setting timing does not provide for establishing the CURVE; that is, how much advance comes in at what RPM. For this you'll have to reply on the old tach and timing light method, or a distributor machine if you have one handy.