[quote=2,900-3,000rpm steady state on the highway at 18:1 AFR and ~42º of timing, [/quote]
Must have been in the slow lane & at what speed w/those 456 gears?
Some guys hear think low gears are the way to go, "let the engine rev" & not get any mileage from it, OD, don't need OD. yeah when your engine cant make enough power I guess you need low gears?. Rant rant