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Author
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Topic: transmission cooler
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Jguy
Journeyman Posts: 45
From: Westminster, CA
Registered: Apr 2004
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posted 05-03-2004 01:56 AM
   
i will be running a seperate transmission cooler in my 1968 302 c4. I bought a crossflow griffin radiator and it does not have the tranny cooling lines. I was considering buying the B&M polished street rod supercooler (11"x4.5"x1.5") 15,000 GVW. would this one work good or would you guys suggest a different one. Please, all suggestions will be appreciated thanks
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68 dailydriver
Journeyman Posts: 19
From: North CA.
Registered: Mar 2003
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posted 05-03-2004 08:10 PM
Jguy;
I also run a seperate trans cooler in my 68 302, but I have a 4 core rad with a built in trans cooler. I would contact a local trans shop and see what they reccommend for you since you do not have a rad cooler. You will need one with more cooling capacity then what I have. 68 dailydriver ------------------
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rdinmv
Gearhead Posts: 139
From: orange county CA
Registered: Feb 2004
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posted 05-03-2004 10:00 PM
I'm running a 'max cool" which is the same as the b&m hi tech. its the hi efficiency type cooler, since i have a lentech aod with 10" converter I also run a 10" elec fan on it. Basically just buy the biggest trans cooler you can get to fit as in this case bigger is better.
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SteveLaRiviere
Administrator Posts: 42859
From: Saco, Maine
Registered: May 99
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posted 05-04-2004 07:54 PM
One thing to keep in mind is a polished cooler will not cool as efficiently as a flat black cooler.------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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Fastback68
Gearhead Posts: 3053
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 05-04-2004 08:47 PM
Got any hard scientific data on the stuff "in between" Steve? I'm planning on doing some digging myself.
For example, flat black water-based paint vs. unpolished aluminum alloy, vs. bare copper, and vs. the copper alloy used in radiator tanks and my PS fluid cooler.
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Fastback68
Gearhead Posts: 3053
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 05-04-2004 10:26 PM
First up, here's the proof that stainless sucks at radiating heat. My 68 Camaro has stainless trim on the window sills (?) - where you rest your arm with the window down. If the car has been sitting any time in the sun, I get first-degree burns from doing this! What a lousy design!
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indyphil
Gearhead Posts: 2354
From: Senoia, G.A. USA
Registered: Jul 2002
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posted 05-05-2004 07:28 AM
Simon,
What you are asking for (hard scientific data) would be some tables of "emissivity" for different materials.I think its a dimensionless coefficient, where 1 would be a perfect emitter. If you have ever played with one of those thermometer "guns" that reads temperature by infra-red then you know you have to calibrate the gun based on the material you point it at. the guns should have a table of different materials pre-programmed in them. Some drag race teams use them to check tire temps after burnouts. Here I found a website that might be useful
http://www.engineeringtoolbox.com/24_432.html ------------------
'68 coupe, '66 289 C code
engine, edel 600cfm carb, performer intake, dual exhaust http://www.geocities.com/ottouk_77/68mustang.htm
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SteveLaRiviere
Administrator Posts: 42859
From: Saco, Maine
Registered: May 99
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posted 05-05-2004 06:58 PM
quote:
Originally posted by Fastback68:
Got any hard scientific data on the stuff "in between" Steve? I'm planning on doing some digging myself.
For example, flat black water-based paint vs. unpolished aluminum alloy, vs. bare copper, and vs. the copper alloy used in radiator tanks and my PS fluid cooler.
Just the laws of thermodynamics. 
------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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Fastback68
Gearhead Posts: 3053
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 05-05-2004 08:33 PM
Then I'm about to become a thermodynamicist
I'll tell you what really has me curious (and I wonder if Phil's "gun" can handle this) is coated or otherwise treated materials. For example, does the emissivity of an aluminum alloy change depending on whether it is polished? Does it change simply by coating it with flat black paint? And then there's the type of paint - water-based or oil-based.
OK, off to bone up! Phil, Steve, if you are already masters of this black art, maybe a new thread would be in order?
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Hell_Fish
Gearhead Posts: 872
From: Austin, TX.
Registered: May 2002
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posted 05-06-2004 02:18 PM
I have heard that black painted items dissipate heat better for years, but why do my black tools heat up faster in the sun? How come I feel hotter in a black shirt vs. a white one? Just wondering. I do know that the radiator in my Bronco II show no drop in temp from unfinished to painted black. ------------------
Dustin C
"The Mopar Guy!"
CRC Motorsports
56 F-100
Mech. for wifes 69 Mustang coupe
65 Plymouth Barracuda
70 Dodge Swinger
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tafinucane
Journeyman Posts: 41
From: Aptos, CA
Registered: Apr 2001
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posted 05-06-2004 06:56 PM
quote:
Originally posted by Hell_Fish:
I have heard that black painted items dissipate heat better for years, but why do my black tools heat up faster in the sun? How come I feel hotter in a black shirt vs. a white one?
'Cause they're all in the sun. They dissipate heat faster, but they also reflect less light, so are absorbing that energy in the form of heat. Your nice chromed tools stay cool in the sun because they reflect all the energy off into your eyes. Wear your black T-shirt in the shade and you stay cool, too.
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