The temp gauge moves but only half of what it did when I had my stock muffler. Today I cruised at eighty into a headwind with the outside ambient temperature at 70 degrees and it rose to the lower bracket bar right above the C. Thats as highest it goes now even when I get into it.
I'm by no means saying the dash temp. gauge is a subsitute for pyro gauges, I'm just saying my truck shifts and runs cooler and better than it ever has now that I did the intake and opened up the exhaust. It use to take almost the whole pedal to get it to eighty and now with a little toe action it jumps from 70 to 80 -85 effortlesly with peddle to spare. And wants to stay there. I'm sure it would go to 100 if I pressed it, something it hasn't done in ten years.
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