Unused Heater core for Transmission cooler??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Hazieview · 12-06-2011, 06:24 AM

Hey guys I have a pretty new heater core laying around that was only used for a short time before being removed. I was thinking of using it as a transmission cooler what do yall think?

I also have a small AC condensor I thought about using...

Just a thought. What do you think?

J Knight · 12-06-2011, 09:24 AM

I would think a mod like that will either cool to much or not enough. Not a good idea IMO.
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**old Rusty C10** · 12-06-2011, 09:32 AM

i dont think it would work well.. thats too thick... id use a coler designed for transmissions

maskale · 12-06-2011, 05:38 PM

if its easy enough to hook up and u can monitor temps then why not?

take pressure into consideration, I dont know what the trans cooling line runs at, but a heater core is made for rad pressure

Hazieview · 12-06-2011, 09:10 PM

Quote:

Originally Posted by maskale

if its easy enough to hook up and u can monitor temps then why not?

take pressure into consideration, I dont know what the trans cooling line runs at, but a heater core is made for rad pressure

Kind of what I was thinking. I know some people run them on dragsters and circle track cars but I don't know how it would do on a daily driver. I think it would work fine, still unsure though.
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ghettoluxury · 12-06-2011, 08:50 PM

I use the factory ac condensor, and it works awesome.

**hatzie** · 12-06-2011, 11:41 PM

The tubes are too big. An ac condenser would work though. I used an ac condenser off a K car as a tranny cooler on my 73 Pontiac station wagon years ago.

INSIDIOUS '86 · 12-07-2011, 04:05 AM

its not too little or to much cooling thats the issue its the pressure, ac condenser works under high pressure so it should work, heater core would prob blow all over the road

Hazieview · 12-07-2011, 06:23 AM

Quote:

Originally Posted by INSIDIOUS '86

its not too little or to much cooling thats the issue its the pressure, ac condenser works under high pressure so it should work, heater core would prob blow all over the road

That is a very good point. After looking at the ac condenser you can also see that the fittings would make it a very easy install too.

As long as the transmission had enough pressure to force the fluid through the ac condenser then it should be fine. However if the volume of the condenser hinders the flow of fluid do to lack of pressure then you are not accomplishing anything. (Honestly I still think it will work fine.)

Maybe I will experiment by installing an inline pressure gauge and temperature gauge.
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gGMC DOG · 12-07-2011, 07:36 AM

my only concern would be flow. im sure your trans supply lines flow more volume than a normally functioning a/c...i just dont know how much.
flush the hell out of the a/c condensor core if it's anything other than pristine

12-06-2011, 06:24 AM	#1
Hazieview Building Dreams out of Dimes! Join Date: May 2005 Location: Bonham, Tx Posts: 892	Unused Heater core for Transmission cooler??? Hey guys I have a pretty new heater core laying around that was only used for a short time before being removed. I was thinking of using it as a transmission cooler what do yall think? I also have a small AC condensor I thought about using... Just a thought. What do you think? __________________ 1981 Chevy short/wide. SB400 350th

12-06-2011, 09:24 AM	#2
J Knight Registered User Join Date: Jun 2011 Location: Baytown TX Posts: 2,219	Re: Unused Heater core for Transmission cooler??? I would think a mod like that will either cool to much or not enough. Not a good idea IMO. Posted via Mobile Device __________________ John 82 Chevy Silverado 350ci/TH350

12-06-2011, 09:32 AM	#3
old Rusty C10 Robert Olson Transport Join Date: Oct 2002 Location: recent transplant to NC USA Posts: 20,310	Re: Unused Heater core for Transmission cooler??? i dont think it would work well.. thats too thick... id use a coler designed for transmissions __________________ Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!!

12-06-2011, 05:38 PM	#4
maskale Registered User Join Date: Jul 2011 Location: Houston, Tx Posts: 159	Re: Unused Heater core for Transmission cooler??? if its easy enough to hook up and u can monitor temps then why not? take pressure into consideration, I dont know what the trans cooling line runs at, but a heater core is made for rad pressure

12-06-2011, 08:50 PM	#6
ghettoluxury Registered User Join Date: Apr 2009 Location: Waynesfield Ohio Posts: 1,991	Re: Unused Heater core for Transmission cooler??? I use the factory ac condensor, and it works awesome. __________________ 1949 Five Window, 1973 Step Side, 2000 Z71

12-06-2011, 11:41 PM	#7
hatzie Moderator Join Date: Oct 2008 Location: Wentworth, NH Posts: 4,977	Re: Unused Heater core for Transmission cooler??? The tubes are too big. An ac condenser would work though. I used an ac condenser off a K car as a tranny cooler on my 73 Pontiac station wagon years ago. Last edited by hatzie; 12-07-2011 at 02:19 PM.

12-07-2011, 04:05 AM	#8
INSIDIOUS '86 Registered User Join Date: Jul 2009 Location: washington Posts: 4,178	Re: Unused Heater core for Transmission cooler??? its not too little or to much cooling thats the issue its the pressure, ac condenser works under high pressure so it should work, heater core would prob blow all over the road __________________ 377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511

12-07-2011, 07:36 AM	#10
gGMC DOG Registered User Join Date: Dec 2008 Location: Over yonder Posts: 259	Re: Unused Heater core for Transmission cooler??? my only concern would be flow. im sure your trans supply lines flow more volume than a normally functioning a/c...i just dont know how much. flush the hell out of the a/c condensor core if it's anything other than pristine



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