About my mileage report...I failed to correct for the larger than stock tire size in my caculations. When I factored that in, I was actually getting 26-27 with the original head. Now with the 2-valve head, I'm getting an actual 21.5-22.5!


1987 Montero SWB, 2.6L, 5spd
Weber conversion
2-valve head from Engine Machine Service
"4G54 FTW!"