Quote:
Originally Posted by scooder
Bubba, those Mallorys have to much advance for all flatheads.
In my experience, modifying the engine requires the curve to be shortened. For instance, higher compression needs less advance so does twin carbs. A big cam wants more initial advance but same total, therefore less built in advance.
You not found this? I'd be interested in how and why if you haven't.
Martin.
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I agree with everything you said.
Seems as if we all live in a "chevrolet world" when ignition is discussed . The small block chevrolet has always wanted 36 to 38 degrees of spark advance and thats what the aftermarket folks understand... In some cases its pretty hard to change there minds ..
There was a reason Ford made up different advance curves for different engines over the years and we cant just throw a blanket over them with a standard number. Each case is a little different .