Royal Purple Synchromax in ZF6

rdnkbowhuntr · Jan 2, 2014

Is there any one who has used the Royal Purple Synchromax in their ZF6 trans? I was wondering how it performed... I have read its supposed to help with the synchronized trans, anyone have any input on this and how it performs or performed for you. Thx

rascal · Jan 7, 2014

Have it in mine. So far so good.

I am not sure what was it in before but I felt shifting got smoother with the RP.

I use it in my transfer case as well.

ken6881 · Jan 25, 2014

I had 2 bad experiences with royal purple and it will never go in anything I own again. Run amsoil/redline in everything and like there products. I know people who like royal purple but two motors went down with it in it in a very short time and switched and never had a problem again

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POWER-STRUCK · Jan 25, 2014

It is designed for transmissions with brass blocking rings. Such a tremec performance transmissions.
It will work good other transmissions but the cold operations may suffer. Just drive easy until the fluid warms.

The only complaints I have heard is from the people that had equipment that was already worn out and they thought it would magically put the linings back on the synchronizers

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