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06-25-2017, 04:18 AM
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CC Member
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Join Date: Nov 2015
Location: Miami,
FL
Cobra Make, Engine: Backdraft / Coyote Motor
Posts: 36
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Not Ranked
What ATF to use on Tremec T-56
Going to change my ATF on my T56, have heard go things about Amsoil ATF however there are 3 to 4 different Amsoil ATF fluids. Which one? |
06-25-2017, 05:10 AM
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CC Member
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Join Date: Feb 2002
Location: Dadeville,
AL
Cobra Make, Engine: Sold my EM.
Posts: 2,459
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Not Ranked
The company that provided my T56 Magnum recommended Amsoil Synthetic product code ATFQT.
__________________
Tommy
Cheetah tribute completed 2021 (TommysCars.Weebly.com)
Previously owned EM Cobra
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
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06-25-2017, 07:16 AM
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CC Member
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Join Date: Feb 2009
Posts: 1,695
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Not Ranked
Unless specifically recommended by the builder, you are better off going with regular old Dex III.
Here is a pretty decent discussion on the issue and a lot of links to various other articles:
https://ls1tech.com/forums/manual-tr...56-others.html |
06-25-2017, 04:52 PM
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CC Member
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Join Date: Dec 2003
Location: Gurnee,
IL
Cobra Make, Engine: Kirkham #259
Posts: 1,396
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Not Ranked
Mobil 1 Synthetic ATF fluid......Good for all the Tremec's transmissions
__________________
Morris
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06-25-2017, 06:45 PM
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CC Member
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Join Date: Nov 2015
Location: Miami,
FL
Cobra Make, Engine: Backdraft / Coyote Motor
Posts: 36
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Not Ranked
Thanks for the info
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06-26-2017, 06:35 AM
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CC Member
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Join Date: Sep 2012
Cobra Make, Engine: ERA #816, 427 Side Oiler
Posts: 92
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Not Ranked
Straight from the TREMEC website - Probably a good idea to ask them since they're the ones that invested all that money in designing, building and testing the thing...
Transmission fluid is the life blood of your transmission. Proper wear and synchronization depends on using correct fluid. DO NOT USE aftermarket fluid in this transmission. Use only GM Synchromesh (part# 12345349), Pennzoil Synchromesh or Mobil1 ATF. Any other fluid used may cause premature wear and grinding synchronizers and will VOID YOUR WARRANTY.
NOTE: You can use standard Dexron III ATF for break-in, but it must be drained after the break-in period and replaced with Synchromesh or Mobil1 ATF as your permanent fluid.
Last edited by jetblue69; 06-26-2017 at 06:41 AM..
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06-26-2017, 07:14 AM
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CC Member
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Join Date: Feb 2009
Posts: 1,695
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Not Ranked
Quote:
Originally Posted by jetblue69
Straight from the TREMEC website - Probably a good idea to ask them since they're the ones that invested all that money in designing, building and testing the thing...
Transmission fluid is the life blood of your transmission. Proper wear and synchronization depends on using correct fluid. DO NOT USE aftermarket fluid in this transmission. Use only GM Synchromesh (part# 12345349), Pennzoil Synchromesh or Mobil1 ATF. Any other fluid used may cause premature wear and grinding synchronizers and will VOID YOUR WARRANTY.
NOTE: You can use standard Dexron III ATF for break-in, but it must be drained after the break-in period and replaced with Synchromesh or Mobil1 ATF as your permanent fluid.
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Not what I am reading off their website:
Q: What type of fluid does TREMEC recommended?
A: For all TKO 5-speed models, TREMEC recommends GM Synchromesh™ (GM Part # 88861800) – or equivalent, or Mobil 1 Synthetic ATF. For all other aftermarket models we recommend Dexron III ATF
Section 1-1-3 in the T56 Tremec Service Manual also says use Dex III. The OP does not say what T56 he has. Older ones react negatively to synthetic fluid and can eat the blocker rings.
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06-26-2017, 07:28 AM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
Wait till you see the price of GM synchromesh atf. Last time I bought it it was $16.50 a quart.
__________________
Jim
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06-26-2017, 08:59 AM
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CC Member
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Join Date: Oct 2014
Cobra Make, Engine: FFR fat block tko 600 9"
Posts: 191
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Not Ranked
Guess all them Mustangs runnin' around have the wrong fluid in 'em. The trans lock up, that's why they all crash!
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If aliens are so smart, why do they always choose to talk to guys named Bubba?
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06-26-2017, 09:13 AM
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CC Member
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Join Date: Feb 2009
Posts: 1,695
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Not Ranked
Quote:
Originally Posted by keezling
Guess all them Mustangs runnin' around have the wrong fluid in 'em. The trans lock up, that's why they all crash!
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I think I heard that was from the transmission housing castings. Tremec is having the transmissions made in China and the castings are crap. After you torque it for a while, the trans case will twist. |
06-26-2017, 02:40 PM
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CC Member
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Join Date: Sep 2012
Cobra Make, Engine: ERA #816, 427 Side Oiler
Posts: 92
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Not Ranked
Whoops, sorry. Party night at the margarita hut... Yeah, the other one was from the American Powertrain site...
Q: What type of fluid does TREMEC recommended?
A: For all TKO 5-speed models, TREMEC recommends GM Synchromesh™ (GM Part # 88861800) – or equivalent, or Mobil 1 Synthetic ATF. For all other aftermarket models we recommend Dexron III ATF
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