« Reply #1 on: June 20, 2015, 10:49:31 AM »
It's my understanding that the coolant only contacts the cover and there are no internal passages. Not sure if it's plausible for coolant to get inside the ptu.

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2014 SHO -PP, Unleashed Tuned, 3bar, Devils Own 100% meth, PPE catted down pipes, 3rd cat delete, Magnaflow 2.5" exhaust, 170 deg, NGK 7's plugs, hot pipes - White Platinum 401a
418 whp - 513 wlb/ft
non meth 13.11@103.6 (knock limited)
Meth pass 11.991@114.28