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Tech: At wits end with an overheating motor, long post
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<blockquote data-quote="customcj7" data-source="post: 665893" data-attributes="member: 3103"><p>UPDATE:</p><p></p><p>So long story short, I've got this thing almost dead on 160 +/- 10 degrees. And that was in 89 degree heat with hot as hell heat index. </p><p></p><p>Some additional things I've figured out. The timing was a big factor, but the biggest surprise was the gauge. I took someone's advice here and picked up a mechanical gauge for $20 from O'reillys. After all the work I had done I started getting 250 readings on the gauge. I had driven it and zero issues. So I first tested the mechanical. In boiling water with some heat loss from container transfer the mechanical read 190 degrees, fairly close to accurate. I put it in the block and ran the thing. After driving for 20 minutes, it was barely above 150 degrees. I parked it let it heat soak with no fans on or anything for 10 minutes. Gauge went up to 190 and then stayed there the whole way home. The damn gauge, mother effer.</p><p></p><p>Now I will say my timing adjustment has cured the backfires and made it easy as hell to start. She's tuned in now so it's running great. And it seems all my money put into cooling has worked, she stays very cool in the summer heat compared to before. </p><p></p><p>Drove the old girl to work today (64 degrees out) and it barely got above 150 degrees. Might have to change the T-stat to a 180 come winter time or else my heater won't work for squat and the old girl may not warm up. </p><p></p><p>Again, big thanks to everyone, you guys solved my issues. (with the jeep at least laughing1)</p></blockquote><p></p>
[QUOTE="customcj7, post: 665893, member: 3103"] UPDATE: So long story short, I've got this thing almost dead on 160 +/- 10 degrees. And that was in 89 degree heat with hot as hell heat index. Some additional things I've figured out. The timing was a big factor, but the biggest surprise was the gauge. I took someone's advice here and picked up a mechanical gauge for $20 from O'reillys. After all the work I had done I started getting 250 readings on the gauge. I had driven it and zero issues. So I first tested the mechanical. In boiling water with some heat loss from container transfer the mechanical read 190 degrees, fairly close to accurate. I put it in the block and ran the thing. After driving for 20 minutes, it was barely above 150 degrees. I parked it let it heat soak with no fans on or anything for 10 minutes. Gauge went up to 190 and then stayed there the whole way home. The damn gauge, mother effer. Now I will say my timing adjustment has cured the backfires and made it easy as hell to start. She's tuned in now so it's running great. And it seems all my money put into cooling has worked, she stays very cool in the summer heat compared to before. Drove the old girl to work today (64 degrees out) and it barely got above 150 degrees. Might have to change the T-stat to a 180 come winter time or else my heater won't work for squat and the old girl may not warm up. Again, big thanks to everyone, you guys solved my issues. (with the jeep at least laughing1) [/QUOTE]
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