Drag Racing Discussions > Front Engine Dragsters

Cooling system upgrade...

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wideopen231:
Makes alky look cheaper all the time. There is reason the old saying is got to hate money to do this. It is pretty radiator.

Roger:
It appears you are well on your way to controlling your engine temperature, nice set-up:) I did notice you have a very high volume pump compared to others out there. When calling the various manufactures of pumps and radiators when I was trying to learn all I could about cooling systems for my car the one point repeated by several of them was to not move the water too quickly through a smaller radiator, you need to give the water time to give up it's heat to the radiator tubes and fins. On the upside, you have a double pass radiator that requires the water to circulate about 4 feet through the radiator, giving it extra time to exchange heat. Once you get it dialed in and figure out when to turn the pump and the fan on, you should be very pleased.
When it came to a fan powered trans cooler, I went with a B&M unit. A little heavy, the motor uses 6 amps to run, it ain't cheap, but the fan puts out a boat-load of air. Since I only turn the fan on just before the return road and then off once I drive back to the pits, I wanted maximum cooling for the short time it would be on. So far so good. A stand-alone trans cooler not in the path of radiator air flow is the only way to have maximum cooling efficiency.
If you radiator has regular radiator hose fittings (I can't tell by the pictures) then you might try and find a formed hose to make that right angle turn. If not, then the systems will still work well with what you have...I think. Give it a try
Gotta say this: never liked the looks of a fed with a radiator unless it has a full body, yours does looks good, nice job!

SaltandPepper:
I went with a Derale tranny cooler....it had decent reviews and seemed like the easiest to mount, supposed to be here on Tuesday. I R&R'd the water pump today and mounted the new rad. If I do have a problem with the water flow too fast I guess I could install a restrictor, although I would rather not. The more I get into this thing the more I see that could have been assembled better. The last time I was at the track I put the FED back in the trailer and forgot to take the wheelie bar off....the top bar bent. Apparently the fella had made it out of mild steel. It was bent when I bought it and I put it in a press and straightened it out once....yeah, I know, I do know better. I dropped it off at a fabrication shop today and the fella is making me a whole new top bar out of moly. That will work till this winter when I can get the entire back end redone. The way the top bar and chute are mounted if I ever deployed the chute it would pull against the upper bar. I ain't no rocket scientist but that seems a bit dangerous. I don't plan to go fast enough this season to use the chute though. Seems my machine has the same characteristic as my boat.....Bring On Another Thousand.

Curly1:
Your new radiator should eliminate your overheating problem assuming you have not lost the head gasket.

jeff/21:
We had the rad installed on an angle scoop on the underside that forced air up through it . nice rad and pump we had to tow back to the pits or the temp would soar.

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