I got out for the first time last night and I can't get the engines up to temperature. I have Eickert 160 degree high flow stat's in there with factory Merc T-Stat housings, circulating pumps. According to the gauges never went above 145 degrees, had a hand held temp gun with and when I shot the manifold right below the t-stat housing it read 127 degrees. Not sure what to make of this.....should I put 140 degree stats in? With the stats not opening it's screwing with the water pressure. I'm going to install water pressure bypass's in so I won't have to worry about that. Any suggestions????