Kit c e n t r a l

Diablo 6.0 - NAERC Chaisie Diablo Cooling Question

CCIE - Sep 07, 2017 - 09:36 PM
Post subject: NAERC Chaisie Diablo Cooling Question
In my NAERC chaise Diablo with a 3800 SC series 2 engine, I have cooling issues. Of course it has the 2 RAD's in the back with the Factory belt driven water pump and fans but the engine is running really hot. My mechanic suspects the water pump is bad and we are going to swap it out with a new one. My question to all is what are you doing for cooling. I was thinking about an in-line high throughput electric water pump.
Should I get rid of the belt driven water pump or can I use both.
Should I just keep the belt water pump only.
If I install the electric water pump any suggestion as to where it should be installed and how? my reason for keeping both pump is if one fails I have the other one as active backup.
Any ideas or solutions are greatly appreciated

Ya ya ton of issues with this car that needs to be resolved. But it has potential
guywithlambo - Sep 08, 2017 - 02:54 AM
Post subject: RE: NAERC Chaisie Diablo Cooling Question
Yusha I have tube chassis too with 3.8S/C and running only belt water pump, there are many thing that can over heat engine even with 3 radiators.
first of pulling rad fans the honda rad that comes with fans are SHEET, ( NFG) you need Spal good 16-18 hunderd cfm
the rest air in system bad air flow etc . im not a expert on that ,only what i learn here on forum
daywilm - Sep 10, 2017 - 02:38 PM
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Guywithlambo is right. Out of all the things you can do, the most important is to get adequate airflow through the radiators. That means good Spal fans. Also, you need to shroud the fans or you'll get a lot of air being pulled around the edge of the fan rather than through the radiator.
lambobuilder - Sep 10, 2017 - 02:52 PM
Post subject:
Here is how I solved my heating issue

Also Jim Dinner had used an expansion tank as well that eliminated his issues. I know he posted on the forum his setup as well
CCIE - Sep 10, 2017 - 06:13 PM
Post subject:
Thank You Dale,

I will try your advise first then add a expansion tank.

Thank You
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