Cooling question - airflow - design

[chorty55]

Found this while throwing iron in the back of the truck.

I'm using it. Bolt holes line up, gasket covers enough to be useful but I don't know what platform/year. It had a spring loaded triple barb vacuum pressure switch thingy in it. Possibly late 70s early 80s ford

But I'm using it with a thermostat. Perfect for the electric fan sensor to spin into.

Moment thermostat starts to open it'll tease the fans

 

[Mike69cuda]

Hayden makes a fan controller that uses a temp probe that sticks in the radiator fins if that helps you.

 

[chorty55]

This is good enough, and that neck allows it to be on other side of thermostat.

Plumbing it like this should make the fan run a bit more often/longer/more sensitive so the transmission cooler gets more forced air. If it doesn't work I'll just move it. Just pipe threads.


If this isn't enough, I'll go dual fans and a sensor in the transmission cooler circuit as well.

I'll spend the money later if needed. Everything is plumbed and tees with plugs for "just in case ideas" that didn't work good enough the first time.

Look at that mess .ridiculous..nothing to loose now.

 

[chorty55]

Minimize the free air space between them, build ducting if you have to

Wrapped, notched, and as close as I dare. Apparently someone hit a tree and the steel transmisson cooler isn't square/plumb, so there's a chunk of tire for pushin cushion in one corner. Between that, over broke, then after I trimmed corner, it lost strength to fight the out of square.

I'm not building another one. Chunk of tire it is.

I also had to stay a fuzz high for that drain. Also had to turn cooler around so the standoffs would dodge that drain hole too.

I never use them. I use the 1 3/4" drain hole. Way quicker.

 

[chorty55]

well. decided on a 180* thermostat, plumbed a 200* fan sensor in the intake, went with the bypass hose from pump to intake, and for some reason the fan is called for before the thermostat opens. Totally backwards of what i need/expected.

Autozone thermostat. Duracrap. Again, if it's not installed, it cannot fail! 40 years of no thermostat, the first one this machine gets in the year 2025 is garbage.

Kinda grumpy on that one. Where's the quality in todays world? This is disgusting.

Nothing wrong with another drain and flush, as i'm getting things ready with straight water. Which i'm glad, this been a filter catch pan mess with high dollar antifreeze.

 

[chorty55]

Also, I'll assume I need to add a 2nd relay that's positive trigger, to break the 1st relay thsfs negative trigger?

Fans run with key off

 

[Dana67Dart]

went with the bypass hose from pump to intake, and for some reason the fan is called for before the thermostat opens.

that's because the bypass is there to circulate coolant before the thermostat opens. You could dial in the thermostat (if its adjustable) to come on at a higher temp and keep playing till you get the desired operation

 

[chorty55]

I bought another 180 thermostat. Different results.

 

[Dana67Dart]

I bought another 180 thermostat. Different results

And those results would be?????

 

[chorty55]

the opposite. and the thermostat opens when hot now. the other 'new' one failed the sauce pan trick.