Jiffy 4G Lite Problems
I'm probably a "bit" late to help you, but my Pro4 Lite started a LOT better when I kept the propane indoors and only put it on when ready to drill. You also need to hold the throttle in half way while starting, which is pretty awkward.
Also got a lot more than 6 holes out of a tank.
The thing definitely is not the perfect auger, but it isn't bad.
It's not just "STX" blades, it's a completely different head design. If they included the same auger it wouldn't be "lighter and cheaper".
If you want Cadillac performace you have to purchase a Cadillac, can't buy the Kia and expect the same results.
For the small difference in money and weight with these augers I don't know why anybody would want to sacrifice performance.
If you paid $500 or "the same price as the 4G" as you did for the 4G Lite that's a problem between you and the seller, not the manufacturer, because that isn't the way Jiffy designed or priced them