Originally Posted by
cossynut2
I am suprised that who ever fitted your new tubular manifold did'nt bother to clean anything up or notice how rough it looked by the crack.
Agreed, I'd expect most DIY/home mechanics to have least given that mating surface at least a quick clean
If the leak is from that scabby bit below the thread, i wonder if the person overtightened the stud/nut and thats cracked it...