Tranny fluid question?
Originally Posted by TrackBeast
Call them up and ask them if they approve it for our application.
Mobil ATF and Amsoil has been used for years in our transmissions. Some say with a 20 to 30 degree drop in temps. I never measure mine before and after.
Mobil ATF and Amsoil has been used for years in our transmissions. Some say with a 20 to 30 degree drop in temps. I never measure mine before and after.
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Originally Posted by TrackBeast
Call them up and ask them if they approve it for our application.
Mobil ATF and Amsoil has been used for years in our transmissions. Some say with a 20 to 30 degree drop in temps. I never measure mine before and after.
Mobil ATF and Amsoil has been used for years in our transmissions. Some say with a 20 to 30 degree drop in temps. I never measure mine before and after.
Originally Posted by SWThomas
I'm sure they're great fluids but if someone claims they reduce the fluid temps by 20-30 degrees, I'd have to call straight-up-B-to-the-S!!!!

Originally Posted by pitstain
. . . Do not worry you will always be able to buy dexronIII/Mercon spec fluid.....
You may be able to buy fluid that meets the spec, but the manufacturer won't be able to use the word "Mercon" (no "V") in its name.
Hence Valvoline's new "DEX/MERC" ploy, along with their statement that "Helps provide smooth shift performance where DEXRON®-III or a MERCON® fluid is specified."
Valvoline is skating on some mighty thin ice here. If I were its attorney, I would probably counsel it to lose the name and make sure that the reference to "Mercon" is in small letters on the back of the bottle.
The idea is that you can reference the spec, but you must do it in a way that does not suggest source, affiliation, or sponsorship.
Originally Posted by Tim Skelton
"Effective July 1, the production and licensing for MERCON will cease."
You may be able to buy fluid that meets the spec, but the manufacturer won't be able to use the word "Mercon" (no "V") in its name.
Hence Valvoline's new "DEX/MERC" ploy, along with their statement that "Helps provide smooth shift performance where DEXRON®-III or a MERCON® fluid is specified."
Valvoline is skating on some mighty thin ice here. If I were its attorney, I would probably counsel it to lose the name and make sure that the reference to "Mercon" is in small letters on the back of the bottle.
The idea is that you can reference the spec, but you must do it in a way that does not suggest source, affiliation, or sponsorship.
You may be able to buy fluid that meets the spec, but the manufacturer won't be able to use the word "Mercon" (no "V") in its name.
Hence Valvoline's new "DEX/MERC" ploy, along with their statement that "Helps provide smooth shift performance where DEXRON®-III or a MERCON® fluid is specified."
Valvoline is skating on some mighty thin ice here. If I were its attorney, I would probably counsel it to lose the name and make sure that the reference to "Mercon" is in small letters on the back of the bottle.
The idea is that you can reference the spec, but you must do it in a way that does not suggest source, affiliation, or sponsorship.
Thin ice or not man, where theres a market theres a way.....either way I am not worried about getting proper trans fluid 5 years from now, but you are 100% correct on the "thin ice" wording.....it's pretty damm normal these days and quite amusing to say the least
Last edited by RED 92; Dec 15, 2007 at 05:24 PM.
Originally Posted by RED 92
Dexron is not even mentioned in that chart.
Originally Posted by Tim Skelton
I dont see the connection to Dexron lll in this chart. Why are you giving misleading info you fool. Dexron is not even mentioned in that chart.Ford and your manual has recommended Mercon V for all vehicles for the past seven or eight years, most Fords on the road continue to be serviced by Mercon/Dexron lll. Mercon V, however, is a far better product that more closely resembles the factory-fill ATF which Ford has used for over eight years says Ford. Any Lightning owners lose a tranny to that "dont use Mercon V"

General Motors announced it was closing the door on its Dexron III category, and planned to license only Dexron VI in the future. Its Dexron III licenses all will expire on Dec. 31, 2006. Like Mercon V, Dexron VI is a more robust and shear-stable product, and requires the use of Group II or II-plus base oils. The two are different enough in shift and friction characteristics, though, that GM’s move doomed the Dexron/Mercon confluence.
Last edited by RED 92; Dec 15, 2007 at 07:03 PM.
Your right its irrelevant since its no longer available along with Mercon. Dexron lll and Mercon is the same thing in reference to VM in the chart for the 4R100..... ATF that meets requirements of Mercon or Dexron lll or use Mercon V for the 4R100.
Ford and your manual has recommended Mercon V for all vehicles for the past seven or eight years, most Fords on the road continue to be serviced by Mercon/Dexron lll. Mercon V, however, is a far better product that more closely resembles the factory-fill ATF which Ford has used for over eight years says Ford. Any Lightning owners lose a tranny to that "dont use Mercon V"
General Motors announced it was closing the door on its Dexron III category, and planned to license only Dexron VI in the future. Its Dexron III licenses all will expire on Dec. 31, 2006. Like Mercon V, Dexron VI is a more robust and shear-stable product, and requires the use of Group II or II-plus base oils. The two are different enough in shift and friction characteristics, though, that GM’s move doomed the Dexron/Mercon confluence.
Ford and your manual has recommended Mercon V for all vehicles for the past seven or eight years, most Fords on the road continue to be serviced by Mercon/Dexron lll. Mercon V, however, is a far better product that more closely resembles the factory-fill ATF which Ford has used for over eight years says Ford. Any Lightning owners lose a tranny to that "dont use Mercon V"

General Motors announced it was closing the door on its Dexron III category, and planned to license only Dexron VI in the future. Its Dexron III licenses all will expire on Dec. 31, 2006. Like Mercon V, Dexron VI is a more robust and shear-stable product, and requires the use of Group II or II-plus base oils. The two are different enough in shift and friction characteristics, though, that GM’s move doomed the Dexron/Mercon confluence.





