Back in the day, 1988 to be exact, we had a '85 Jeep GW 360 that really struggled up the long hills even with the itty-bitty 63 22' Safari.
I finally MacGyver'd a solution.....water & blue washer fluid injection.
Coincidently using a Bosch CIS cold start valve, with a Bosch HP fuel pump, (from the warranty bin at the Volvo dealership.)
Flip on the pump when needed, and watch the needle drop.....spark plugs & cylinders spotless!!
"Any nation that can survive what we have lately in the way of government, is on the high road to permanent glory."
"Mary-Jane....'cuz 2020 sucks"