Got enough motivation to fuck with this damn thing again today.
Drilled/tapped a hole for a bleeder valve on the thermostat housing. Not the most orthodox way of doing it, but I thought it would get the job done and I wouldn't ever have to deal with it again.
Put it all back together, pulled off the upper radiator hose, filled it with coolant until it was full, installed upper radiator hose, started the car up and parked it on the hill at my shop. I added coolant as needed (roughly 1/2 gallon) while the car was running. It took a long time to get to temp. I had the cap off, fan on, and heater fan on. It got most of the air out within the first minute. It kept getting warmer and warmer until it got to the 1/2 mark. After that, it stayed there mostly, but would creep up a ways. I went out and drove it for about 5 min and it stayed mostly at 1/2 mark, maybe a little below if I was getting a fair amount of speed built up.
I got it back to the shop after realizing it wasn't going to get any cooler than that. It was still doing the same thing as before, where I could hold it at 3k rpms for 20 seconds or so and the temp would drop a bit, but come back up within a minute's time. It very slowly kept creeping up, would rev it, and it would come back down.
Here's the weird part- when I took the cap off, there was very little pressure (if any,) it wasn't overflowing and bubbling like it was before (which leaves me hope that the head/head gasket is not compromised) and wouldn't just immediately overheat (like it had been doing.) I let it idle with fans on for about half an hour or so and it appeared to be doing fine, but would slowly creep up a bit (concerned me enough to reply to this thread.)
I'm about ready to give up on the damn thing. I don't see what else I could be doing wrong?!
Drilled/tapped a hole for a bleeder valve on the thermostat housing. Not the most orthodox way of doing it, but I thought it would get the job done and I wouldn't ever have to deal with it again.
Put it all back together, pulled off the upper radiator hose, filled it with coolant until it was full, installed upper radiator hose, started the car up and parked it on the hill at my shop. I added coolant as needed (roughly 1/2 gallon) while the car was running. It took a long time to get to temp. I had the cap off, fan on, and heater fan on. It got most of the air out within the first minute. It kept getting warmer and warmer until it got to the 1/2 mark. After that, it stayed there mostly, but would creep up a ways. I went out and drove it for about 5 min and it stayed mostly at 1/2 mark, maybe a little below if I was getting a fair amount of speed built up.
I got it back to the shop after realizing it wasn't going to get any cooler than that. It was still doing the same thing as before, where I could hold it at 3k rpms for 20 seconds or so and the temp would drop a bit, but come back up within a minute's time. It very slowly kept creeping up, would rev it, and it would come back down.
Here's the weird part- when I took the cap off, there was very little pressure (if any,) it wasn't overflowing and bubbling like it was before (which leaves me hope that the head/head gasket is not compromised) and wouldn't just immediately overheat (like it had been doing.) I let it idle with fans on for about half an hour or so and it appeared to be doing fine, but would slowly creep up a bit (concerned me enough to reply to this thread.)
I'm about ready to give up on the damn thing. I don't see what else I could be doing wrong?!
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