Flushing Tranny/Amsoil Synthetic or no

[scheidt27]

Im putting in a new valve body and flushing the tranny, should i put in AMSOIL ATF over regular motorcraft mercon???

[scheidt27]

Would there be any difference between the Universal ATF or the Torqueshift ATF fluids. Anyone use either of these two?

[Dave]

you want the universal for your rig

[ksttac]

would amsoil be better than mercon

[Dave]

your tranny will run cooler with the amsoil

[ksttac]

i just had the pan removed and the filter changed, refilled with mercon, so i only have about 3k on that. need to wait a while for the amsoil, how long can the amsoil be in there, what is the mileage before a change with amsoil

[Dave]

40k or longer with analysis

[99 7.3]

i put amsoil in my tranny and it runs alot cooler.

[cigarjack]

Flushed my tranny & rear end, changed the filter and used all Amsoil fluids for the first time and even the wife noticed a difference from the passenger seat. Towed a 5th wheel and noticed a very slight improvement in MPG's but everything shifted smoother. Wasn't sure how I would like the Amsoil stuff but it seems to be as good as everyone here says.