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Hey guys. I was wondering if anyone is using amsoil universal synthetic tranny fluid in there gs4 instead of the Toyota type IV fluid? Is there any difference in performace over the Toyota stuff?
well from what i find out amsoil and mobil1 tranny fluid has been approved to work with toyota but i just dont konw what specific tranny fluid from either company was approvedd.
Do a search for "Amsoil" in this forum and you should find a bunch of information-it's been covered pretty extensively in the past
I for one have been using their product.