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2011-2014 Mustangs
2011-2014 Mustang Talk
Attention MT-82 victoms!!!
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<blockquote data-quote="Nice Pony" data-source="post: 10663898" data-attributes="member: 123212"><p>The Royal Purple information on the link you provided stating XT-M5-QS is 10W40 is incorrect and misleading and would represent the equivalent viscosity to a 10W40 motor oil not gear oil. Motor oil and gear oil are formulated for completely different service. You definitely would not want to run Royal Purple 10W40 motor oil as they recommend in your M82 transmission! Also Royal Purple Synchromax is a replacement for transmissions designed for ATF and while thicker than ATF is much to thin for the M82. As for the Royal Purple 75W90 it has friction modifiers more suited for a differential and also does not meet Ford Spec WSD-M2C200-C or WSS-M2C200-D2.</p><p></p><p>You definitely do not want to run any of "Synchromesh" transmission fluids from any of the manufactures, Royal Purple, Pennzoil, GM, Amsoil, etc. in your M82. While these will generally work great in manual transmissions designed for ATF they are all to thin for the M82.</p><p></p><p>API viscosity ratings for gear oils are not directly comparable with those for motor oil, and they are thinner than the figures suggest. For example 75W90 gear oil is actually of equivalent viscosity to a 10W40 motor oil.</p><p></p><p>Motorcraft XT-M5-QS Ford Spec WSD-M2C200-C is 75W90 gear oil not motor oil.</p><p></p><p>Check out this Motorcraft site:</p><p><a href="http://www.fcsdchemicalsandlubricants.com/main/product.asp?product=Full%20Synthetic%20Manual%20Transmission%20Fluid&category=Transmission%20Fluid" target="_blank">Full Synthetic Manual Transmission Fluid</a></p><p> </p><p></p><p>For those interested in the low down on transmission fluids for their Mustang M82:</p><p>Motorcraft XT-M5-QS MTF 100% Synthetic Manual Transmission Fluid is 75W90 Ford Spec WSD-M2C200-C and is the factroy fill for the M82.</p><p></p><p>Motorcraft Dual Clutch Transmission Fluid XT-11-QDC is straight 75W Ford Spec WSS-M2C200-D2</p><p></p><p>There is a TSB #11-3-18 to use XT-11-QDC in colder climates which would make sense because it would be thinner at operating temperature. The TSB also states that this fluid may be used in all climates. This would definitly help the tranmssion to shift smoother because of the thinner viscosity at operating temperatuer but could cause a little more gear noise also.</p><p></p><p>Here is the TSB:</p><p>-----------------------------------------------------------</p><p> MT82 MANUAL 6-SPEED TRANSMISSION COLD SHIFT EFFORT</p><p></p><p>TSB 11-3-18</p><p> </p><p>FORD:</p><p> 2011-2012 Mustang</p><p> </p><p>ISSUE</p><p> Some 2011-2012 Mustang vehicles equipped with a MT82 6-speed manual transmission may exhibit increased shift efforts in cold ambient temperatures. This is usually most noticeable in 1st and 2nd gears but may also be noticed in 3rd through 6th gears. The increased shift effort may be the result of the increased viscosity of the transmission fluid in cold weather.</p><p> </p><p>ACTION</p><p> Follow the Service Procedure to correct the condition.</p><p> </p><p>SERVICE PROCEDURE</p><p> Replace the Motorcraft?Full Synthetic Manual Transmission Fluid with 2.6L (2.7 qt) of Motorcraft? Dual Clutch Transmission Fluid. Refer to Workshop Manual, Section 308-03A for the transmission fluid draining and filling procedure.</p><p> </p><p>This fluid is suitable for use in all ambient temperatures and seasons, and the Scheduled Maintenance guidelines in the Owner Guide can continue to be followed.</p><p> </p><p>The use of friction modifiers or other fluid additives is not recommended since although they may provide some immediate improvement in cold shift effort, they are likely to result in long term degradation of the synchronizers.</p><p>-----------------------------------------------------------</p><p> </p><p>There are a couple of references to using fluids compatible with the TR6060 or TR3650 in this post. Those two transmission are quite different in the internal components and are actually designed to use ATF. Dexron III or Mercon V which are 0W20. Tremec techs also state you can use a synthetic synchromesh MTF fluid in the TR6060, TR3650 and T5 but it would be to thin for the M82. I personally run Amsoil 5W30 100% Synthetic Manual Synchromesh Transmission Fluid in my TR6060 at the direction of Tremec techs and realistically any of the available "Synchromesh" transmission fluids from any of the manufactures, Royal Purple, Pennzoil, GM, Amsoil, etc. will work great in the TR6060, TR3650 or T5 S197 Mustang transmissions.</p><p></p><p>Amsoil does make Manual Transmission & Transaxle Gear Lube 75W90 but does not specifically state it meets Ford Spec WSD-M2C200-C XT-M5-QS. It would probably work as well or better than XT-M5QS but the Motorcraft product is also a top quality full synthetic so it is kind of a moot point and since Amsoil does not currently state their product meets Ford Spec WSD-M2C200-C or WSS-M2C200-D2 I would stick with the Motorcraft fluids in the M82.</p></blockquote><p></p>
[QUOTE="Nice Pony, post: 10663898, member: 123212"] The Royal Purple information on the link you provided stating XT-M5-QS is 10W40 is incorrect and misleading and would represent the equivalent viscosity to a 10W40 motor oil not gear oil. Motor oil and gear oil are formulated for completely different service. You definitely would not want to run Royal Purple 10W40 motor oil as they recommend in your M82 transmission! Also Royal Purple Synchromax is a replacement for transmissions designed for ATF and while thicker than ATF is much to thin for the M82. As for the Royal Purple 75W90 it has friction modifiers more suited for a differential and also does not meet Ford Spec WSD-M2C200-C or WSS-M2C200-D2. You definitely do not want to run any of "Synchromesh" transmission fluids from any of the manufactures, Royal Purple, Pennzoil, GM, Amsoil, etc. in your M82. While these will generally work great in manual transmissions designed for ATF they are all to thin for the M82. API viscosity ratings for gear oils are not directly comparable with those for motor oil, and they are thinner than the figures suggest. For example 75W90 gear oil is actually of equivalent viscosity to a 10W40 motor oil. Motorcraft XT-M5-QS Ford Spec WSD-M2C200-C is 75W90 gear oil not motor oil. Check out this Motorcraft site: [url=http://www.fcsdchemicalsandlubricants.com/main/product.asp?product=Full%20Synthetic%20Manual%20Transmission%20Fluid&category=Transmission%20Fluid]Full Synthetic Manual Transmission Fluid[/url] For those interested in the low down on transmission fluids for their Mustang M82: Motorcraft XT-M5-QS MTF 100% Synthetic Manual Transmission Fluid is 75W90 Ford Spec WSD-M2C200-C and is the factroy fill for the M82. Motorcraft Dual Clutch Transmission Fluid XT-11-QDC is straight 75W Ford Spec WSS-M2C200-D2 There is a TSB #11-3-18 to use XT-11-QDC in colder climates which would make sense because it would be thinner at operating temperature. The TSB also states that this fluid may be used in all climates. This would definitly help the tranmssion to shift smoother because of the thinner viscosity at operating temperatuer but could cause a little more gear noise also. Here is the TSB: ----------------------------------------------------------- MT82 MANUAL 6-SPEED TRANSMISSION COLD SHIFT EFFORT TSB 11-3-18 FORD: 2011-2012 Mustang ISSUE Some 2011-2012 Mustang vehicles equipped with a MT82 6-speed manual transmission may exhibit increased shift efforts in cold ambient temperatures. This is usually most noticeable in 1st and 2nd gears but may also be noticed in 3rd through 6th gears. The increased shift effort may be the result of the increased viscosity of the transmission fluid in cold weather. ACTION Follow the Service Procedure to correct the condition. SERVICE PROCEDURE Replace the Motorcraft?Full Synthetic Manual Transmission Fluid with 2.6L (2.7 qt) of Motorcraft? Dual Clutch Transmission Fluid. Refer to Workshop Manual, Section 308-03A for the transmission fluid draining and filling procedure. This fluid is suitable for use in all ambient temperatures and seasons, and the Scheduled Maintenance guidelines in the Owner Guide can continue to be followed. The use of friction modifiers or other fluid additives is not recommended since although they may provide some immediate improvement in cold shift effort, they are likely to result in long term degradation of the synchronizers. ----------------------------------------------------------- There are a couple of references to using fluids compatible with the TR6060 or TR3650 in this post. Those two transmission are quite different in the internal components and are actually designed to use ATF. Dexron III or Mercon V which are 0W20. Tremec techs also state you can use a synthetic synchromesh MTF fluid in the TR6060, TR3650 and T5 but it would be to thin for the M82. I personally run Amsoil 5W30 100% Synthetic Manual Synchromesh Transmission Fluid in my TR6060 at the direction of Tremec techs and realistically any of the available "Synchromesh" transmission fluids from any of the manufactures, Royal Purple, Pennzoil, GM, Amsoil, etc. will work great in the TR6060, TR3650 or T5 S197 Mustang transmissions. Amsoil does make Manual Transmission & Transaxle Gear Lube 75W90 but does not specifically state it meets Ford Spec WSD-M2C200-C XT-M5-QS. It would probably work as well or better than XT-M5QS but the Motorcraft product is also a top quality full synthetic so it is kind of a moot point and since Amsoil does not currently state their product meets Ford Spec WSD-M2C200-C or WSS-M2C200-D2 I would stick with the Motorcraft fluids in the M82. [/QUOTE]
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