In article ,
Huge wrote:
Pipe from car exhaust into tunnels with all possible exits blocked.
Wife thinks I'm mad. Surely this will work?

I've seen professional ratters do this with chainsaw engines.

Yes - no cat. A modern car might take a long time to kill due to the near
total removal of the CO by the cat. What you really need is a nice old
Cortina with a worn carb. ;-)

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*Work is for people who don't know how to fish.

Dave Plowman London SW
To e-mail, change noise into sound.