MSD Cap build-up

[Rwillia4]

Rick,
All good information.

My motors story is: It is a KCR build with the TWM and fast. They did an initial tune, out of the car, no air filters, and his headers. Once I instaled the motor in the car and added the restrictions (filters, header) it was running rich. I was a virgin at the fast interface and did not really feel comfortable with major tweeks. Around 700 miles it backfired and blew the head gasket (yes, I retorqued the heads before). I happened to be driving across country the next week, so I trailered up the car and stopped by KRC to have the head gasket fixed (I wasn't sure if the gasket was the only problem and didn't want to open the motor without Keith). After the gasket was replace we went for a tuning ride, they tweeked the fast settings for the motor in the car. A pull through the RPM was much smoother and fuel economy went way up. I put another 800 miles on the car with no problems. Then had to store the car for 2 years, it was started every ~4 months and brought up to temp. I just got the car back a month ago and initially it started well and worked other than sucking down gas. This was the first time I took it for a longer drive cruising at highway speeds but I did have it up to temp a few times during local driving making sure everything was still tight and working.
The original rotor, cap, plugs are still being used. I plan to replace the plugs and O2 sensor. No oil is getting consumed