I like mine medium rareRub the rat in olive oil, i wouldn’t use 2 stroke, bit of salt & pepper & chuck in the smoker for a few hours.
actually a diesel would not normally produce sufficient carbon monoxide and of course a modern petrol car not thanks to the Catalyser.The smoke helps as a visible aid to see the job you're doing and rats hate it, but it's carbon monoxide that kills them. It's a deadly odourless, colourless gas produced from incomplete combustion, same as what kills people when boilers aren't maintained. Any engine that's worn, running rich or has a blocked air filter will make it.
Yet another benefit of running old tractors, you'd be a long time sat there with a tier 4 ad blue machine piped down the burrow
Definitely don't run the gas from the blowtorch down the hole for a bit and then light it, that would be silly (ask me how I know)....
In this case it was propane. It may have been left open for a while.A bit pokey with acetylene..... propane is much safer......
Reminds me of former colleague who decided to smoke moles off his posh lawn. He had some sort of pale blue 3.5 litre Alfa Romeo we used to call the battleship. He drove it onto the lawn, where it promptly sank. He then connected the exhaust to a mole run with his wife’s vacuum cleaner hose and put a weight on the accelerator. The vacuum hose melted, so he had to find something more robust which he left running for an hour or so.
The following morning he had ruts in his lawn, his wife still wasn’t speaking to him, he had a fair bit less fuel in his car and the moles were back with a vengeance!
How long would you need to run the old strimmer / chainsaw to do the job ?