TEST DRIVE RESULTS ARE IN!
With the factory non-AC radiator (because my aluminum Cold Case radiator is wrecked from the fan clutch eating into it) and a 17" FLEX FAN the guy who did the unfinished job on the GTO had and gave me, I was able to use the CVF Wraptor fan spacer and a 2½" aluminum spacer I had cut down about 4/5th of an inch to get the FLEX FAN to clear the pulleys, and I have about 1¼" clearance between the radiator and the farthest forward part of the fan.
Temps between 183-187 no AC at 55. AC on went to about 192-197. At 3,500 RPMs at 72 MPH on the Interstate, the part where it used to go to 220-225, the highest temp with the AC ON was about 205!! Mostly 203.
Seven miles like that and exit, 55 on the road home AC ON, and around 193-197.
Sat in the driveway w/AC ON and it got to about 203.
So....
I'm good to go for the week of Cruisin the Coast, and then I'm going to have to take the Wraptor down to the point where I can get to the water pump and divider plate to check the gap which I still suspect is too wide, but I HAVE TO know. If it is bigger than 1/10th inch I'll massage the plate to get the tight gap. Then see how that affects the temperature. If it drops 10 degrees from 205 to 195 I may go ahead and try the 16" electric fan again. If that doesn't work, I'll sell it and see if I can make a short shroud for the FLEX FAN. I will check the clearance from the flex fan to the Cold Case radiator and if I have at least 1" I'll either get it fixed or sell it and buy a new one.
|