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Originally Posted by RavenTai
This is good stuff, thanks for the ECM comparison
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My pleasure. This mod is starting to suck me in. I wish I had found the thread about it while the testing was going on.
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The bottom of the red mark is suppose to be 217, I would be bummed if it did wind up being 212. I tried to be as accurate as possible in designing the test bed, I could accept a degree or two variation from the test bed to the real engine but not 5. Do you think it could make that 5 degrees in the space left? When I called bottom of red @ 217 that was the line forming bottom of the red at the center of the needle. See attached,
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If that is what you meant by bottom of red then I think that yes, it should make the 5 degrees with the space left. I think 212 will be just when the top of the needle touches the red line. From my limited experience it's about 5 degrees a needle width (give or take).
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Could I talk you into pulling the lights and retesting? Could they be restricting flow airflow to much? Possibly combined with some other minor cooling efficiency problems?
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This is a good idea. I'll probably try it this weekend. I'm starting to think I have some cooling issues (big surprise there). My truck definitely gets hotter with higher mphs. Slow speed (35-40) driving seems to be fine with the gauge in the center.