So I have a 00' Harley F150 80k miles and I'm wondering if I should stick with it or invest in a diesel. I like the 7.3 or the new 6.4 (never a 6.0).Main concerns are not getting any worse on gas mileage, and daily driver reliability. I've always wanted a diesel but since I know so little...

Questions about performance upgrades.I have a 2000 F150 Harley Edition with 80,700 original miles. Curious if it's worth my $$ to build it or to sell and start on an SVT / Lightning truck?No rust. Texas truck. Also trying to decide on going lower or going up. 2x4 so lower is probably...