Cometic Head Gasket

I got my car going after a taking it apart over the winter. I finally got to drive it for about 20 miles yesterday, after breaking in the new cam. It runs ok but it has a small coolant leak from the pass cylinder head by #8 cylinder, at least that's what it looks like. After I parked it, there was a small puddle of antifreeze under the car, 4 or 5 drops. I had the block and heads cut so I could use a Cometic head gasket. First time I used a MLS gasket and was wondering if it will seal itself after a few heat cycles or do I need to torque the heads again. I installed them dry after wiping them down with brake clean.
Looks like the oil filter adapter plate is leaking too, but that is another issue.