Author Topic: Chiller Connection  (Read 4298 times)

Offline dgrossmann44

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Chiller Connection
« on: January 20, 2016, 07:01:57 AM »
First we are beginners. Just finished the car and we are building a chiller. Can we get a little help on connection? Do we connect input to each head an exit out the top of the manifold?

Offline JrFuel Hayden

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  • Your Best Time: 6.02, 236 mph, 1/4 in 1973 Div 3 TF Champ
  • Your Engine: SBC, Alky, 403 ci, Best 6.99 @ 190 & 409 Hemi
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Re: Chiller Connection
« Reply #1 on: January 20, 2016, 07:15:59 AM »
Is this for an alky or gas burning motor ? And iron or alum heads ?

Jon
Jon C. Hansen

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dreracecar

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Re: Chiller Connection
« Reply #2 on: January 20, 2016, 08:02:49 AM »
Alc enters the combustion chamber @ 64deg temp so there is no need for one. Another way to look at it is that if they were benificial in a drag type car everybody would be running one and you would not have to ask this question
 Chillers are for enduro type boat races where running time exceeds the normal under 8 sec time for a drag car.
  I was once asked by a spectator if the rear end on my dragster got to hot to sit on, My response was "not in 7sec it doesnt"

Offline dgrossmann44

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Re: Chiller Connection
« Reply #3 on: January 20, 2016, 12:46:42 PM »
it is alky w/aluminum heads

Offline JrFuel Hayden

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  • Your Best Time: 6.02, 236 mph, 1/4 in 1973 Div 3 TF Champ
  • Your Engine: SBC, Alky, 403 ci, Best 6.99 @ 190 & 409 Hemi
  • Your Track: Bakersfield
  • Your Vehicle: 225" FED NHRA Heritage Jr Fuel
Re: Chiller Connection
« Reply #4 on: January 20, 2016, 01:32:57 PM »
Since you are burning alky, you don't need a chiller, or cooling, alky burns better, ie more HP the hotter the motor. With my all iron SBC, I like to get the heat up close to 200°. At our last Heritage JrFuel race last week-end in Phoenix we were 195+ while staging and as high as 217° after the run, with water in the block & heads. We were low qualifier at 7.14, 187 mph. You may have to lean your barrel valve to build that kind of heat. We found running with out water HP goes down about 20hp, [ per dyno testing] we think because the water helps even out the temps, of course, but it also helps keep the harmonics down around your cylinders, which means better ring seal.
Besides a chiller just adds more weight to your car, and might create a leak one day, keep in mind the old school theory 100 lbs = .10.
When we are called to the staging lanes, we warm the motor up to arond 180° and then put a blanket over the engine for the staging lanes.

Good Luck with your project,
Jon
Jon C. Hansen

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Offline dgrossmann44

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Re: Chiller Connection
« Reply #5 on: January 20, 2016, 01:45:02 PM »
Jon, Thank You for taking the time to educate. I was thinking more of a portable chiller I should have been more specific.  We previously ran a Flat Bottom Boat so this is new to us and appreciate any advice we can get. We have crossed paths at the track in fact you sold me my front wheels and tires, Thank Again!