trans fluid question
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Senior User
Joined: Nov 2006
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trans fluid question
I am thinking about running amsoil synthetic in my next fast approching transmission fluid change but i have heard you can only run the merc. sp anybody have any insight on this? thanks
Senior User
Joined: Aug 2003
Posts: 438
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From: Colorado Springs
As far as we can tell, Amsoil doesn't meet the requirement for SP - even though they are now stating so. Having said that, the SP appears to be a quality fluid and I can't see switching to something that is both questionable and more costly.
Lets please not make this an Amsoil thread - to date, no one else has licensed Mercon SP and thus Motorcraft is our sole source.
Mark
Lets please not make this an Amsoil thread - to date, no one else has licensed Mercon SP and thus Motorcraft is our sole source.
Mark
Senior User
Joined: Mar 2007
Posts: 207
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From: Vancouver, BC Canada
Redline makes D6 synthetic transmission oil claimed equivalent or better than Mercon SP.
I havent purchased any yet as I have not seen the spec sheets yet to verify so I am still using the motorcraft SP.
I havent purchased any yet as I have not seen the spec sheets yet to verify so I am still using the motorcraft SP.
Tuned
Joined: Mar 2007
Posts: 365
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From: Alberta, Canada
Mercon SP is a synthetic fluid... I know that it has very specific shear and viscosity characteristics built in to dealt with the abuse this 5R110 sees. As far as I know 4x4Mark is 100% right and until Ford licences out the specs for the oil to other manufacturers I'm going to stick with Mercon SP. 
Got Diesel?
Joined: Jan 2004
Posts: 4,345
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Mercon SP is synthetic and other companies claims that their fluid is can not be verified, as Ford has not licenced it to others.
As well, the Amsoil stuff claims to be Mercon, Mercon V and Mercon SP rated, but due to the different specs of each fluid, there is NO way it can be!!!!
Stick with Mercon SP from Motorcraft and you will be money ahead... and it is a good fluid at that!!!
As well, the Amsoil stuff claims to be Mercon, Mercon V and Mercon SP rated, but due to the different specs of each fluid, there is NO way it can be!!!!
Stick with Mercon SP from Motorcraft and you will be money ahead... and it is a good fluid at that!!!
