which ATF for 3650

[LouisianaZJ]

i need to do the first change on my tremec 5 spd. has 15k on it.

what fluid should i go with?

Royal purple syncromax
Mobil 1 synthetic ATF
Valvoline Dex 3

also is it 3.25quarts or 3.7quarts?

 

[lvmustanggt]

Royal purple syncromax . that's what I used when I change mine about month ago. My 2nd gear grind is gone yayayy
I am loving Royal purple syncromax . I even change my rearend with Royal purple 75w 140

 

[DageonYar]

I just did the same this weekend past... went with Mobil 1, cuz there wasn't any RP around here. So far so good. I definitely notice the difference from the stock stuff. The only thing I would hafta warn, the darn drain plug is towards the rear of the car, I had the front jacked up quite a bit on jack stands and it was still tricky to get at lol.

I went with 3L (3.2Qts?)... darn americans lol... adopt the metric system already!

 

[Give Me TP]

Texaco (Havoline) DEXRON III

3.2 Quarts (3.0L)

 

[LouisianaZJ]

decided to go with RP synchro max from NAPA @ $9/quart

how often should it be changed?

 

[mineralgraygt]

has anyone used penzoil syncormesh for like autozone. i was looking into getting some and was wondering if anyone was running it

 

[hotmustang331]

RP here...LOVING it. Helped out my shifts ALOT. I would change every 40K maybe....but im no expert.

 

[Pennywise2]

Use Royal Purple Syncromax.I change mine every 50-60K miles.

 

[BurningRubber]

Good to see a fellow Jeeper thats into Mustangs as well... Im an XJ'er.

I went with Mobil 1 sythetic ATF, but I have a T-45. It better do something, its damn expensive.

 

[LouisianaZJ]

yeah the xj has alot of mods for hard 4x4 stuff, not just dirt roads,

anyway i put the synchromax in today. i think about 3.2-3.5 quarts, the RP bottle was not marked off at 1/2 1/4 quart like most are..

i also decided to put on the second stock shifter rubber boot that goes under the "main" rubber boot to quiet it down some more..

 

[LouisianaZJ]

the original fluid was pretty dark, but did not see any glitter in there i have missed gears a couple times on this thing

 

[CRZYHRSGT]

Mobil 1 took care of my 2nd gear grind.

 

[4.6_02_Black_GT]

lousiana,

Old fluid looks nice..just slightly dark, how many miles on the old fluid??

 

[LouisianaZJ]

15k