[urq] Re: Exhaust manifolds

[Phil Payne]

> I have seen quite a few with the only crack being underneath the
collector,
> including the one I just took off my car.

I used to think that until I started testing them by holding them with
the mounting flange uppermost and level, and spraying WD40 into the
ports.  Amazing when it weeps out of cracks you hadn't seen.

--
  Phil Payne
  http://www.isham-research.com/quattro
  +44 7785 302 803
  +49 173 6242039