I would shoot for three more horsepower.
The appropriate blend of hot shots secret oil would be my suggestion.
What ratio of snake oil to regular oil do you recommend? LOL
A Mumau Diesel sticker would net gain at least 4.
Shit I bet I got closer to 20.
$50 bucks a gallon? Holy hell. I guess it'd be ok if you changed it every 15,000 miles. LOL