the temp used to never go above 205ish with the original. as soon as I put the new one in it runs at 220, and goes as high as 235.
I dont know how warm it got while mech had it, but he said after an hr it just shut off and the fans never kicked on. he said that when they did a bypass ground they could get the fans on, but they think a wire is broke.. I always watched the temp since I changed it cause I thought it was a lil high, but was told GM is normal up to about 240, so I watched it but didnt think it was a problem..
The car sets no codes at all! thats why they said to change the computer, but it still has the restart problem when it is hot! and only problem when hot.
Moved to appropriate mechanical section for better visibilty by similar Model owners. ~Venom