hehehe....i have a similar sign post for exactly that. But then I got an impact gun, and havent used it since.

you have to at least inspect the plugs, kahren had a motor mixing coolant and oil and he found on teardown it was a plug that had rotted away.

i have a 5 foot angle iron i use and 5 feet of pipe.... works like a charm lol



kahren is the only one to hear about them failing on