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Thread: Best fluids for t56
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02-12-2011 #1
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Best fluids for t56
what is the best fluids to use in the t56. i heard royal purple synchro mesh is good as well. im just looking for some feedback before i get it in the car. also how much is needed. thanks-Dom
Dom Buffa
69 Camaro- 2JZ /Garrett 67MM, Ls1 13" Front disc conversion, 18" ROH 3 piece Modenas
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02-12-2011 #2
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I really like GM Synchromesh. With Dexron III, I used to sometimes get a slight grind when shifting hard into third. Now shifting is super smooth.
Last edited by SD428; 02-19-2011 at 09:21 AM. Reason: Meant Dex 3, not 2
02-13-2011 #3
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i think dexron is what that trans calls for, but i saw somewhere that there was a special blend some one made up by mixing two types of syncromesh's. i cant remember what it was though.-Dom
Dom Buffa
69 Camaro- 2JZ /Garrett 67MM, Ls1 13" Front disc conversion, 18" ROH 3 piece Modenas
02-15-2011 #4
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I put in regular dextron 3, 4 qts total. tried different fluids and trans. did not like it.
02-15-2011 #5
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^ i read that too, also i have read that many people are running HONDA ATF in their t56's and love the way it shifts and feels. what are your thoughts on that and royal purple and mobil one syncromesh?-Dom
Dom Buffa
69 Camaro- 2JZ /Garrett 67MM, Ls1 13" Front disc conversion, 18" ROH 3 piece Modenas
02-16-2011 #6
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I heard it really depends on what trans you have. If its a stock GM trans you need to be careful as the synchros are the paper kind and the wrong fluid will eat up the paper. I think is less of an issue with a trans running the carbon(viper) upgrades. Someone please correct me if I'm wrong.
Vince
02-16-2011 #7
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Got a new T56 Magnum and the sticker on the side says Dexron III ... but Dexron III licensing ended 2006 or so, so not sure it's a valid spec anymore? Called Tremec and the tech said to use Mobil 1 Synthetic ATF. Synchro material does affect oil requirements, so like Vince said it may depend on what T56 you have.
http://www.mobiloil.com/USA-English/...hetic_ATF.aspxDuane
'74 AMC Javelin AMX
02-16-2011 #8
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i have a lt1 t56, i have just read so many different opinions and im not sure what to run in it to make it last longer and shift smooth.
Dom Buffa
69 Camaro- 2JZ /Garrett 67MM, Ls1 13" Front disc conversion, 18" ROH 3 piece Modenas
02-16-2011 #9
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I was told by the guys a hurst not to use Royle Purple, they said it does not meet the specs. I was told to use GM syncromesh , pensoil syncromesh or Dex. III.
Check out my web site.
http://screaminperformance.net
02-16-2011 #10
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^^sounds good, i wonder if i pm frank at prodigy or keisler maybe they would know exactly what to use!?-Dom
Dom Buffa
69 Camaro- 2JZ /Garrett 67MM, Ls1 13" Front disc conversion, 18" ROH 3 piece Modenas
02-16-2011 #11
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I got a stage 2 built ls based t56 and it shifts the smoothest with dextron 3/mercon.
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