Drag Racing Discussions > Front Engine Dragsters

cooling question

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crider:
I have a question for those that are running a flat mounted radiator, I have a bc in my dragster with the radiator laid flat in the chassis. It currently has a csr pump on the motor with -16 lines. It will circulate water fine after bleeding the air out, but if the system gets the slightest bit low, like as little as a pint low the pump quits moving water. What are you guys that run a radiator using for a water pump?

Oldschool:
Mine was flat and never had a problem. I did check the water here and there to make sure it was full, but worked great. I am running alky now,so no longer need.

jspell:
I use a CSR pump with #16 lines to a flat mounted radiator and the system never loses water...maybe a "shot glass" worth after 15 passes...

Mrs Esterhouse:
Are you sure your not still just fighting air in the system, and being a little low is because some air worked out?  We fill ours from the lowest point (radiator) with a hose connected to the petcock and pull a vacuum from the highest point (radiator cap). Good luck.

dreracecar:
I ran bleeds at the back of the manifold because of motor angle, gave them a quick pop while the motor was running to purge any trapped air in back

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