Reply To: coolant in a 12

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Just took the 12 out for a test drive after getting the new exhaust system installed. This included a resonator, a five foot muffler and the 2 1/4 inch pipe the whole lenth. The temp. was in the 80’s not the 90’s as before. I got 165 degrees after 10 miles and 172 after 14 miles and the 1000 ft. 11% driveway up to the house. This MAY have been my heat problem, but I will try another trip on a hotter day . Doug