Originally Posted by Foolinjected
Tough little motors though, I had one that came into my shop years ago with a rod knock, they had a junkyard engine to swap it out with, we pulled the carb spring and let it run wide open to see if it would blow...it didn't.
I agree. One of the two toughest motors ever made. The other is the old Ford flat head V8. These motors could run wide open for hours. Like to see you do that today with a ricer.