any estimate, how much base engine with roller parts and new intake manifold would increase fuel consumption? Likely to be not less consumption.
I mean more hp, vents longer time open, but less friction, newer engine. + / - = 0?
PS190 1995 5.7 l EFI TBI 1:1 13x13 4-blade prop. Barefoot boom, wakeboard boom & fatsack. UK made trailer