Originally Posted by rmodel65
first thing id do is go back to a stock thermostat
This ^^^, then give the system a good flush. If still hot, then start looking for soft hoses that can collapse, how old are your pump and radiator?
Also, as blue said, stock gauges can be off by a lot. Get an infrared thermometer and shoot the T-stat housing when it's hot. Then compare that to your gauge.
306 with all bolt ons, letter cam, ported E7's, T5 swap, full exhaust, 3:55's, 2" drop, and the worst paint you'll ever see or feel.
Dyno'd 300/316, 2745lbs-track scale
Best ET………12.4@108, 1.66 60ft on 8" ET Drags.