Thread: Kind of a Drag
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04-07-2016 03:07 PM #1
11 degrees initial, 23 degrees mechanical all in at 2000, total is 34 degrees. Looks like a good curve, 34 total is ok with aluminum heads, iron heads may need couple degrees more. If you have iron heads bring your initial up 13-14 degrees, bringing your total to 36-38 the iron heads should like it better, if aluminum leave it where it's at. You can add 7-10 degrees vacuum advance to either and have a happy motor..
And then a newer model....
Montana Mail Runner