Isn't the stock programming meant to kick the highs on at around 230? Is it not cooling down once it gets there? If it is, it sounds like normal operation. With the fan switch, you can just make them come ob sooner.
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
'17 Sierra 2500HD Dmax
'17 Lex LS460
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