[DougD]

Originally Posted by edwhite7

I have had the same problem with my MSD, no fire though. After a few hundred miles I thought I had blown a head gasket, the car was undriveable. Attached is a pic of the inside of the cap. I also had huge problems with corrosion of the distributor that MSD replaced under warranty. The new distributor is no better and started to rust right away. I spent a lot of time on the MSD forum and the problem seems to be very wide spread in the FE series. I even cut the side of an old cap to check the alignment of the rotor. MSD's suggestion was to drill two half inch holes in the cap even though it is vented, instead I remove the cap when the car is not being driven.
Get on the MSD forum and do a search for rust or corrosion and see what you find, I gave up on them.
I think there is a thread on this forum also, I am pretty sure that I have posted these photos before.

Where is all the moisture coming from?

Is this limited to FE applications?

What about the small block guys - are you seeing similar corrosion?