So I'm thinking of changing my trans fluid on my 05 Tacoma. I have access to Valvoline MAX ATF. I see hwere its applicable to Toyota WS, but does not meet the viscosity requirements. Max ATF is a 7, while Toyota WS is a 5. I also have access to DEX VI as well. Do you think using Dex VI or Max ATF will cause any significant changes or problems. Thanks.