coolant sensor should be in the passenger head. Down by the oil filter there might be a oil pressure sensor, all LT1 has the oil pressure sensor behind the intake on top the engine but some maybe the camaros etc that had gauges would have another oil pressure sensor down by the oil filter on the block.
Some of the temp sensors are bogus tho, always breaking. Theres one on the tranny lines that if bad it causes your car to shift late, using more gas. people said just unplug it and that will fix it, I did and yea it fixed it. Parts stores dont even list that trans temp sensor.