bad day on the madien voyage

well it might not be as bad as I thought. My engine builder came over last night and we couldn't get it to leak. He presurized the radiator and we ran the car in the garage (the weather was too bad to drive it) We couldn't get it to leak....but when we first looked at it, a new drop had formed and this time it looked like it came from the intake. We retorqued the manifold and are going to keep our eye on it. I don't really understand how it could be so bad before and now we can't even see it but maybe i need to get the motro really warmed up like the first time.