If you're loosing coolant commonly the end (front & rear) supplied gaskets are too thick which holds the intake up just enough for one of the front water ports at the head/intake junction to leak. R&R the intake w a new set of side gaskets (& if using metal side gaskets be sure & use sealant on the metal gaskets) but use a thick swath of silicone at the front/rear instead of the supplied gaskets. Clean the mating surfaces there good w brake clean or similar so the silicone will stay in place forever & you're good. I'm assuming that this is not an eng that has been sitting for awhile and is dripping condensation out the tailpipe and I have seen them gushing enough you'd think it'd have to be a coolant leak, sorry just checking.