Re: 59AB with 2 x 97's get 5 MPG ??
By timing I don't mean just the static timing, which is likely OK if around the stock 4 degrees. I mean the mechanical advance has to work...before studying that in detail, at least see if it starts maoving right off idle and advances considerably before 2,000 rpm. Also, late Mallorys can have numerous problems leading to misfire...there are a LOT of things that need to be checked and often changed right out of the box.
But...if you really are anywhere close to 5 MPG, you have a problem bigger than minor jeyying changes.
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