I have a stock 1988 roller cam 318 that I rebuilt some 30,000 miles ago. Stock cam, lifters etc. Dingle ball hone rebuild and freshened up #302 heads. Cast 4bbl intake, Holley 390cfm and a MSD ignition. Runs great, get 14mpg in my Ramcharger with 3.21 gears.
The question is that this dude is...