While RedLine & RoyalPurple are both very good Lubes, it is completely

unnecessary to go to that expense ~ Valvoline SynPower 75/90 or 75/140 are

quite capable of keeping Your Tranny Quite Happy as are a number of other

NameBrand Lubes ~

                                                        ORR ~ DeanB

On 30 Aug , 2020, at 9:42 AM, Steve Williams wrote:

> Hi,
>
> I want to change the fluid in my 4 speed transmission.
>
> Before I did the last change, I had bought Redline MT-90 but then at the
> recommendation of my mechanic put in Royal Purple 75W-90 synthetic.
>
> I still have the MT-90 and was wondering what the list's wisdom is
> regarding putting it in vs. purchasing Royal Purple 75W-90?
>
> Originally, I had gone to AA Transaxle's website and figured MT-90 would
> be best.
>
> https://aatransaxle.com/warranty-information
>
> We recommend Redline MT90 for a break in Gear Oil and then use a name
> brand 75/90 synthetic on most transmissions.
>
> Thoughts?
>
> Thanks,
> Steve W.