ok guys last time i will bug you, im installing my mods and dhp pcm this weekend, now i have my 180 thermostate, and im flushing my coolant, does a 180 require different coolant, and how much exactly do i buy, im on my way to canadian tire now before i go to the cottage, and then im installing my 3.4 pully with the gator back belts, then the new pcm, is this order backwards, which should i install first, all the mods and then the pcm?