napa atf4
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napa is ashland oil (i.e. Valvoline). Can't say 100% that it's actually valvoline, but it's probably going to be just fine.
From what I've heard, more experience members chime in, that ATF4 has to be licensed to be advertised as such. I used Super Tech ATF4 in my last fill on my 545RFE and there have been no problems.
Originally Posted By: SEMI_287
From what I've heard, more experience members chime in, that ATF4 has to be licensed to be advertised as such. I used Super Tech ATF4 in my last fill on my 545RFE and there have been no problems.
ATF+4 is hard to compare, since they have to be "licensed" to even put that "mark" on their bottle......go with whatever is the cheapest and easiest to obtain, really 
Walmart has ATF+4 for 3.17/quart.....what's it at Napa? But yes, the SuperTech ATF+4 sells out QUICK at my walmart too even :P
That being said, Napa ATF+4 is among the lice of Licensed ATF+4 Brands So I would have no problems using it....
You will notice there are no "all in one" or "Multi-Vehicle ATF" oils on that list So not totally sure how Royal Purple and their "MaxATF" is getting around it....perhaps they just "mention" it on their site, but not on their bottles?
Only other thing I can think of is there "verbage" (word usage) in that they state "Max ATF is recommended in vehicles requiring any of these automatic transmission fluids" They do have a big disclaimer about Ford Type F (nothing seems to "get along with" Ford Type F it seems...? LOL....and sme other disclaimers about "CVTs"...)
Something I'm curious about, technically, since ATF+4 is "licenesed" or trademarked/etc....you should be able to run a "Virgin Oil Analysis" on every one of those ATF+4 brands, and all read the same, right...? :P Since the formula is that "protected" - or am I wrong? :P
Walmart has ATF+4 for 3.17/quart.....what's it at Napa? But yes, the SuperTech ATF+4 sells out QUICK at my walmart too even :P
That being said, Napa ATF+4 is among the lice of Licensed ATF+4 Brands So I would have no problems using it....
You will notice there are no "all in one" or "Multi-Vehicle ATF" oils on that list So not totally sure how Royal Purple and their "MaxATF" is getting around it....perhaps they just "mention" it on their site, but not on their bottles?
Only other thing I can think of is there "verbage" (word usage) in that they state "Max ATF is recommended in vehicles requiring any of these automatic transmission fluids" They do have a big disclaimer about Ford Type F (nothing seems to "get along with" Ford Type F it seems...? LOL....and sme other disclaimers about "CVTs"...)
Something I'm curious about, technically, since ATF+4 is "licenesed" or trademarked/etc....you should be able to run a "Virgin Oil Analysis" on every one of those ATF+4 brands, and all read the same, right...? :P Since the formula is that "protected" - or am I wrong? :P
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