Originally Posted by Paebr332
This is only true ceteris paribus. In other words, the rule of thumb only applies if you are adding more stuff that has a similar failure rate to the original stuff.
I agree with everything you wrote.
But it may be too fine a point for this discussion.
If JVB rates a carb gasket leak the same as an FI fuel hose joint leak then we aren't yet working with common understanding.