the Sniper EFI sender is located in the engine block and display is digital.
while idling, about 190 displayed, contact on swirl with fluke Ktc contact was ~187 so I think Sniper is near accurate.
the Veglia is the 220 with sender in the water pump inlet, don't know brand sender. with Sniper 190, Veglia indicates ~170. the fluke contact on upper radiator 160. so about true
I also have a 250 idiot light switch in swirl. this mimics the systems i was familiar with at work where the inlet was control / monitored with an alarm when outlet exceeded design rise.
Both fans are off switch in upper radiator, suppose to be rated cut off 160, but observed it came on at 150.
NOW. . . My current conclusion is ; Since I've had car weather has been cold 30 - 50. short trips at 55 mph had the Sniper display 185.
the day of this post, weather was 80 and I made first substained 70mph drive. my attention was focused on the fact the fans remained on while at speed with Sniper indicating 195 to 200. AND given the alternator is known to be undersized, I was concerned about battery during 2 hour driving. PLUS, part of the quick fix when the Gates heat shrink blow off was use 7 psi cap (boil point about 230) I worried I might get stuck in traffic going back home.
another biggie is I get overwhelmed quickly lately. So I am thinking I have unrealistic expectations that 180 thermostat would keep coolant at 180. not considering reality 200 is proably expected at full load. with radiator outlet temp about 170
the significant change I have currently made is installing 13 cap (~ 250 boiling). The next items that are needed are;
1) replace alternator
2) raise the fan cut off temp.
Yesterday, weather 50, I took 4 hour drive 65 / 70 mph and fans only came on in stop n go traffic.
the shop has wanted to take the car back and make those fixes, BUT I have been driving and not making arrangements for them to do so. Maybe in the next week or so. then I will revisit my statisfaction.
fans off vs fans on
