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Stand Alone Transmission cooler parts lists and pics
MODERATOR'S NOTE: This sticky thread is ONLY intended for posting parts, methods and locations (ideally with pics) by members who have successfully installed a separate trans cooler, either standalone or in addition to the stock cooler.
Please don't duplicate nearly identical posts.
DO NOT ask questions or have discussions on this thread. They will be deleted! Instead, the following thread is suitable for questions, discussions, arguments, "my cooler is cooler than yours" claims and so on: https://ls1tech.com/forums/automatic...l#post20308269 ================================================== ==========================================
I have this setup mounted 5/8 inch off my radiator where my a/c condenser USED to be.
I used the same B&M cooler, but reused the factory hardline. I used a tubing cutter to cleanly snip the hardline right at the radiator and adapted to -AN. This was my parts list for anyone wanting to go this route. I liked the routing/mounting of the factory hardline and how it looked. I imagine flow isn't as good as -AN all the way, but its surviving Houston summers without a hiccup, leak free. Temps are <160F on a 3400 stall.
Last edited by kdick91; Dec 1, 2020 at 12:03 PM.
Reason: Added pictures
1. The B&M oil cooler... while operating quite well, is a over-priced re-branded product.
It currently sells for aprox. $130 through Summit, Jegs, and others...
For example: Summit sale link
The same product can be purchased as "Long Mfg. LPD4711" or "True-Cool M7B".
Pricing is usually $70 - $80. Do not pay more than this...
For example:
2. Those of our cars and vehicles that are older and did not have OEM 3/8" diameter transmission oil-cooler lines installed...
Really should have the smaller 5/16" lines upgraded to 3/8" hard-line or -6AN hose.
This simple upgrade/ change actually had a great beneficial impact on the transmission oil cooler circuits and torque-converter charge circuits.
Life expectancy is increased from just the increase in cooler-line size (flow and temps here are improved).
GM made the change to larger transmission cooler-lines across the entire portfolio of vehicles... this is how beneficial the effect was!
3. Be carefull with any "Summit" or "Jegs" branded fittings/ hose-ends for AN lines.
They are generally perfectly fine for "One-Time" use. Meaning installed and never removed or altered.
These tend to strip the threads/ become damaged once taken apart for reuse.
If you plan on ever servicing/ disassembly of the AN lines; spend the money for a name-brand product such as "Earl's".
Last edited by vorteciroc; Dec 3, 2020 at 02:23 AM.
2. Those of our cars and vehicles that are older and did not have OEM 3/8" diameter transmission oil-cooler lines installed...
Really should have the smaller 5/16" lines upgraded to 3/8" hard-line or -6AN hose.
This simple upgrade/ change actually had a great beneficial impact on the transmission oil cooler circuits and torque-converter charge circuits.
Life expectancy is increased from just the increase in cooler-line size (flow and temps here are improved).
GM made the change to larger transmission cooler-lines across the entire portfolio of vehicles... this is how beneficial the effect was!
Great, you tell me this AFTER I painstakingly bent some custom 5/16" hard lines...
I am amazed! You guys have shared very useful information about cooling Transmissions.
Actually I was looking for automatic transmission repair and after reading that comments, I get much ideas of how to deal with it.
Thanks much!
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Stand Alone Transmission cooler parts lists and pics 
