What is everyone running as far as low speed and high speed fan cut-on temps?
Low and High Speed Cooling Fan Tempatures
- Thread starter PowerWheels
- Start date
Low - 184ish
High - 196ish
Depends on what thermostat you are using as well. I know while crusinig my fan never even comes on.
High - 196ish
Depends on what thermostat you are using as well. I know while crusinig my fan never even comes on.
Mine is now set at 200 Low, 206 High.
low on - 190
high on - 200
high off - 185
low off -180
high on - 200
high off - 185
low off -180
Are you running the stock thermostat? My tune came set at 194 for the low fan cut-on and and 204 for the high it seems to stay on almost all the time.
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Stock stat with 4 1/8" holes drilled in it. I don't see over 194 unless it is over 90 outside and I am in traffic.
I hate to hijack but I've heard of drilling holes in it before but where do you drill them at and what is the point of this?
The stock 180 stat does not fully open until 210. Replacement T stats are not high flow units like the stock one. Drilling makes the car run a bit cooler and stay more consistent.
You drill the holes in the top plate of the T stat, not the mounting flange where the o ring sits.
Where is the t-stat? Stupid Question and any pics? I might do this.
I know we've debated this before but I don't think it's a great idea to drill holes in the thermostat.
Be advised that if you do this the engine will take longer to reach operating temps, especially during the cooler months when you get on the freeway right away. I'm running the Stant 170* and see good results with it, runs slightly cooler than it did on the stocker with holes drilled. Also running 20% coolant/80% water and Water Wetter with these fan settings:
FAN ECT1 HIGH ON 190
FAN ECT2 HIGH ON 190
FAN HIGH OFF 186
FAN LOW OFF 186
FAN LOW ON 186
The stant 170 is not a high flow unit, and I'm not sure if the bypass is of the correct size.
You will want to adjust the amount of holes you drill to your climate. I live in So Cal so I use 4 and it works well. Colder parts of the country will want to use fewer holes.
You will want to adjust the amount of holes you drill to your climate. I live in So Cal so I use 4 and it works well. Colder parts of the country will want to use fewer holes.
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The thermostat is under the car, right off the radiator outlet.
Before you do ANYTHING make sure you can remove the plug in the coolant cross tube.
Remove the 2 screws in the thermostat housing and the coolant will drain out. Then open the housing and remove the thermostat. Be aware more water may come out if you did not let it drain long enough. Drill it and reinstall the thermostat in the housing, and bolt the housing together.
Fill the radiator from the coolant tank until it gets to the full line, and put on the cap.
Top off the coolant from the crossover tube. When it is full replace the plug and finger tighten it, or SLIGHTLY more.
Fire the car and let it warm up amd make sure the car is burped. It should be good or very close if you filled it how I described.
Thanks, I guess what I'm thinking is not only does an aftermarket thermostat need to open say above 190 all the way, but it must flow better than the stock one or it's not going to cool the car any more efficiently. So If I don't drill the stocker, whats the best aftermarket High Flow Unit? Say a 180 degree one? I've got 75k on the original, might as well change it anyway.
I have not seen an aftermarket one that will flow as much as the stock stat. The diameter of the OEM poppet is the largest I have seen for the application. I have not seen the KB 180 though. It is probably a Stant or equivelent.
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Before the questionable Evans stat, I ran a drilled stocker for three year of Texas open tracking.
If you daily drive in a cold climate drill less or smaller holes. I use (4) 3/16"
I concour with LargeOrangeFont on the fan kick points also.
Home Depot/Lowes/Ace hardware/True Value, deeper/wider air dam mod works well too.
If you daily drive in a cold climate drill less or smaller holes. I use (4) 3/16"
I concour with LargeOrangeFont on the fan kick points also.
Home Depot/Lowes/Ace hardware/True Value, deeper/wider air dam mod works well too.
Okay thanks.
True, the opening is larger on the stock stat but I see slightly lower and more consistent temps from the Stant unit.
Thanks... I have considered giving this a try so I'm glad to know you got good results.
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