While we're on the issue of rubber, have you removed the manifold rubbers? I ask because there's a definite front and rear and top and bottom and they're quite easy to reverse. That clams the seal and you'll get the same results as a rotted squirrel condom.

http://www.bonnevilleamerica.com/forums/...part=2&vc=1

To remove the coil from the equation you could swap the coils side to side...that is: swap both the input and the output side to side and see if the problem travels left to right.

A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)