[Fot] TR8 Water temperature

[Christian Marx]

It is a single pass single core radiator with 2” tube 

Gesendet von meinem Windows 10 Phone

Von: Greg Blake
Gesendet: Samstag, 9. Juli 2016 21:08
An: MadMarx
Cc: FOT List
Betreff: Re: AW: [Fot] TR8 Water temperature

Maybe you need a multi pass radiator. Do you know what is in the car now; single, double; triple pass?

Sent from my iPhone

On Jul 9, 2016, at 10:07 AM, MadMarx <tr4racing at googlemail.com> wrote:
The cap is a 23 psi cap.
I have an expansion tank which is plumbed at the sucktion side of the lower pump hose and has a 2nd connection at the top of the radiator to remove air from the system.
I don’t understand the air flow question. The car has an inlet on front, and an airbox around the radiator to force the air through.
 
 
Von: Greg Blake [mailto:gblake58tr3 at icloud.com] 
Gesendet: Samstag, 9. Juli 2016 15:49
An: MadMarx <tr4racing at googlemail.com>
Betreff: Re: [Fot] TR8 Water temperature
 
questions. 
What pressure are you running?
Do you have a pressurized expansion tank plumed into the system that takes water from the back of one of the heads then recirculates to the pump?
What kind of air flow are you getting through the radiator?

Sent from my iPhone

On Jul 7, 2016, at 12:20 PM, MadMarx <tr4racing at googlemail.com> wrote:
Hi guys,
 
My TR8 is running way too hot about 212F at full speed and at idle the temps are getting that high also. I have no idea to get them down.
Radiator core is 68x48cm x 5 cm. I suppose that should be enough. I've experiment with different restrictor plates with no change. Changing pump speed didn't help either. The difference between radiator in and outlet is 10°C (50F). Not enough I would say. Maybe making the pump more slower? It was running on a ratio of 0.8 slower than crank, currently 1:1 speed. Any ideas? 10 Liters are circulating.
 
Cheers
Chris
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