Screwy Temp Gauge Readings??
I just installed a 180 T-stat, and don't seem able to get all the air out of the system. I fire it up cold with the radiator cap off, idle it for 20 minutes, run the tach up to 3500 Rs, and the fluid level only drops enough to put about a shot glass of coolant in it. Anytime I run it above 2800 RPM, the gauge drops off into the cold zone. Let the RPM drop below 2500, gauge comes back up to 1/3. After several test runs, each time letting it cool for 3 hours or so, I check the coolant reservoir level, and it doesn't look like the engine is sucking coolant out of it, as the level doesn't appear to change. I'm scared to death of barbequeing this thing. I even tried warming it up with the front end on ramps, but it didn't help. Oh, yeah - I did all this with theater running, and it does blow heat.
Last edited by Mahtymaht; 03-26-2012 at 09:01 AM.