Can you torbo or supercharge a propane engine?
I own a 1964 amc ambassador 990 on propane. And I'm thinkin propane is a pressurized gas, and mixes accordingly right? So the more oxygen getting pushed it, the more propane should be getting pushed in too? But this is all theoretical lol my brother thinks that if I want the propane system, It's going to have to stay naturally aspirated. So any help to prove him wrong would be appreciated Haha thanks :)
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as long as you can match the fuel curve to the increased volume of air, i do not see why not.
Absolutely not! Take time to "think" about this: Your calculations are wrong pal! A naturally aspirated engine which yours is, sucks the same PERCENTAGE of oxygen in an engine as a turbocharged or supercharged engine forces in. Forced induction engines simply "crams" more of our atmosphere with the very same percentage of oxygen in the cylinder before the compression stroke.
Engines which are naturally aspirated have compression ratios that are too high for supercharging or turbocharging. Your car has cast aluminum pistons and a cast iron crankshaft not forged aluminum pistons or a forged steel crankshaft. The connecting rods are not strong enough, the oil pump is not a high volume type. Your oil pan and radiator is too small. You have no inter-cooler to drop the temperature of the compressed air and fuel. Your radiator is too small. If you have the money to modify your propane engine to forced induction supercharger or turbocharger which may not exist, think before you leap.
Propane is compressed in the tank that holds it. It is metered at a very low regulated pressure into the modified carburetor intake system that distributes it into the intake manifold.