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Tom one of my recent problems for the EOC was my oil lines curved into the balancer and nearly ripped, luckily I smelled the burning while checking for leaks. Due to the rotating direction, it was actually pulling the line towards it and jammed the lines under the engine . Needed pry bar to pull them away. This was mainly due to routing the lines with the suspension unloaded. Once the spring flexed, it pushed the lines towards the middle of the car. Keep that in mind please for line length, routing, fastening. Install with loaded suspension.
I have two installed, one in a car and the other on the bench. I posted the thread below to get an idea of what changes might be on a normal driving day to see if anything went up or down. Obviously the only real test is going to be for a few of us to track the cars on a 90 degree day and see what happens. The only thing left for me to do is to document the install and create an instruction sheet. Then the company will publish pricing and release it for sale.
I had to seal off the gaping hole I cut out for the fittings and lines so I re-designed the cover plate to have an air deflector/heat shield type effect in front of the SC HX. This will help direct the air flow down and out and keep heat from entering the HX.
Last edited by Tom@Dewitt; 05-16-2019 at 12:09 PM.
I have two installed, one in a car and the other on the bench. I posted the thread below to get an idea of what changes might be on a normal driving day to see if anything went up or down. Obviously the only real test is going to be for a few of us to track the cars on a 90 degree day and see what happens. The only thing left for me to do is to document the install and create an instruction sheet. Then the company will publish pricing and release it for sale.
I had to seal off the gaping hole I cut out for the fittings and lines so I re-designed the cover plate to have an air deflector/heat shield type effect in front of the SC HX. This will help direct the air flow down and out and keep heat from entering the HX.
Tom you should be able to do bench flow and temperature tests to validate cooling. With a stock secondary cooler you can validate that the half width one by using a pot of water on a burner. GSpeed did this for intercooler heat exchanger testing.
Same with oil and stock oil cooler (just a bit harder to setup)
Normally oil will run the same temp as coolant.
Last edited by BrunoTheMellow; 05-16-2019 at 01:33 PM.
I'll be in line once it's for sale. It's getting hot in Florida with a bunch of track days on the calendar. I'll see if I can find out my transmission temp in the next few days and post it, I have a longer drive planned this weekend.
@Tom DeWitt Can I call and pre-order one of these?
You can try. I don't think they have developed all the model numbers, bills of material, costs, etc. but people calling to order or get on a list would expedite that.
You can try. I don't think they have developed all the model numbers, bills of material, costs, etc. but people calling to order or get on a list would expedite that.
What are you calling the kit? or is it two separate parts? I just bought your 70mm racing radiator.
What are you calling the kit? or is it two separate parts? I just bought your 70mm racing radiator.
The combination cooler will be sold as three different kits depending on what media you want to cool. Post #149 show's the TO kit I installed. Then you have the TC and OC. Each kit will have different fittings and hoses.
Last edited by Tom@Dewitt; 05-23-2019 at 08:16 PM.
Great to see all of this work going into cooling these cars off. And a local guy, too!
When you open a hole in the chin like you do to mount these, is there any issues with maybe some downforce being lost in the front of the car due to the increased airflow in that area?
Great to see all of this work going into cooling these cars off. And a local guy, too!
When you open a hole in the chin like you do to mount these, is there any issues with maybe some downforce being lost in the front of the car due to the increased airflow in that area?
It will change airflow but can you measure it or be able to tell without a wind tunnel and doodads ? No.
This design is not going to use a significant amount of air flow. I do not feel this will effect the ride or lift characteristics at all. The exhaust flow is going to metered to insure that the heat stack (HX and radiator) do not see a drop in inlet pressure.
Last edited by Tom@Dewitt; 05-24-2019 at 08:03 PM.
This design is not going to use a significant amount of air flow. I do not feel this will effect the ride or lift characteristics at all. The exhaust flow is going to metered to insure that the heat stack (HX and radiator) do not see a drop in inlet pressure.
You mean you are going to test multiple systems when making a change to something as dynamic as air flow and cooling? Pfff that’s insanity right there! I mean most people sell thing based on hopes and dreams not hard measured facts...
seriously though, nice to see you testing multiple systems. Sounds like this is going to be a really well ‘engineered’ solution. Also like that it’s modular and can be configured to meet to customers needs. Really well done.
could you give any more details on the cores used? You said they were high pressure drop (air flow path not oil) cores. They look like the oil tubes are stacked closer with smaller air passages? What are the benefits other than maintaining higher pressure in front of the rad?
nice to see you testing multiple systems. Sounds like this is going to be a really well ‘engineered’ solution. Also like that it’s modular and can be configured to meet to customers needs. Really well done.
could you give any more details on the cores used? You said they were high pressure drop (air flow path not oil) cores. They look like the oil tubes are stacked closer with smaller air passages? What are the benefits other than maintaining higher pressure in front of the rad?
You are exactly right, the fin is .12" when typical radiators use .3". The shorter fin allows for more tubes and that increases the tube-to-fin contact surface area. The result is a very high performance cooler in a tight package. The stack plates have an internal turbulator which helps stir the fluid and it also holds the plates together for the higher oil pressures. Since there are so many tubes, (23 vs 11 oem) the pressure drop is much lower than the stock unit. With that said, there is always a trade off when increasing this or that and lower fin creates a higher air flow drop or delta P. Lucky for us, that's exactly what we want here. I did not want this unit to be the easiest path of resistance and steal too much air from the main stack.
Last edited by Tom@Dewitt; 05-25-2019 at 06:21 PM.
What sort of pressure can there coolers handle? Not sure what the gearbox pressure runs at. Was thinking of another application that has blown other coolers to pieces.
Also just to confirm, what would the configuration be for a manual car? What would you use the second chin cooler for?
05-11-2019, 10:06 PM
