" From: "John Elle" <johnelle@xxxxxxxxx> " " " I have always felt that the "Economy" versions of Detroit engines " were rather cheap to build and economy was an illusion. The I-6's " and the 2bbl v8s were so down on power and under carbureted that " when flogged it was all they could do move the dead weight down " the road. My experience has been over the years, put a good " performance cam in them (do not over cam them) and move the " HP band up in the rpm range you did not flog them as hard " and economy would improve and then install a 4bbl which will " run on smaller primaries than a 2bbl is, the economy would jump " again. But the car still had oomph behind it. " " I have built a couple of horse power I-6 cars that were quick " enough but fuel mileage would improve like mad with them too. " " Anyway, that has been my experience. fits perfectly with what i've seen, for the '60s anyway. economy engines were supposed to save you bucks buying and fixing them; mileage wasn't really on anyone's radar. ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list