I do however have a lot of new parts which I want to have installed very soon.
Gear Vendors Overdive for my Turbo 400-
Edelbrock Performer RPM Air Gap intake manifold which I cleaned up the ports on in the same way I did the headers-
Bigger pushrods-
72gph electric fuel pump, Comp roller tip rockers, and cam and lifter kit reccomended to me by Comp Cams for my application-
"781 Oval ports "assembled with stiffer springs," stud guides, gasket matched with some "nice" portwork, and "bigger stainless valves." These came off of a '70 chevelle drag car and they are "ready to go." The guy replaced them with some Dart aluminum heads and said my 781's "weigh a lot more but, damn near flow as much as the Darts."-
I think the truck is really going to wake up with the new parts and no loss of fuel mileage because of the overdrive.