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Trany Fluid in my 4-speed??? #185821 01/06/09 04:40 PM 01/06/09 04:40 PM
Joined: Nov 2008 Posts: 301 wisconsin swifter OP enthusiast
swifter OP enthusiast Joined: Nov 2008 Posts: 301 wisconsin	I was told to use auto trany fluid in my new rebuilt 4-speed just wandering if anyone of you has done this-I was told it is better for the syncro's and the bearings and may shift easier?? 2007 Ram 2500 Cummins 2008 Dodge Nitro 1970 340 Valiant Duster

Re: Trany Fluid in my 4-speed??? [Re: swifter] #185822 01/06/09 04:43 PM 01/06/09 04:43 PM
Joined: Nov 2007 Posts: 21,823 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,823 Kirkland, Washington	Quote: I was told to use auto trany fluid in my new rebuilt 4-speed just wandering if anyone of you has done this-I was told it is better for the syncro's and the bearings and may shift easier?? Are you laughing because you know this topic comes up about once each week around here lately? Lots of opinions, mine is run a GL-4 gear lube of your choice, not a GL-5, not ATF. But many people do run ATF sucessfully.

Re: Trany Fluid in my 4-speed??? [Re: swifter] #185823 01/06/09 04:46 PM 01/06/09 04:46 PM
Joined: Mar 2005 Posts: 390 pacific northwest W wings471 enthusiast
wings471 enthusiast W Joined: Mar 2005 Posts: 390 pacific northwest	Yah, I just posted that same question about a week ago. I ran GL-5 in mine and it did not mesh well (synchros) so I drained it and put ATF in its place and it shifts way better. Pennzoil Synchromesh and Mopar Synchromesh #4874465 were recommended as well. http://i295.photobucket.com/albums/mm136/wings440/P8050125-1.jpg "Uhmmmm......I got nuthin'."

Re: Trany Fluid in my 4-speed??? [Re: wings471] #185824 01/06/09 07:19 PM 01/06/09 07:19 PM
Joined: Feb 2003 Posts: 10,209 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,209 Someplace you aren't	FSM says to run ATF in cold climates so that is pretty accurate advise. I want my fair share

Re: Trany Fluid in my 4-speed??? [Re: swifter] #185825 01/06/09 07:23 PM 01/06/09 07:23 PM
Joined: Nov 2003 Posts: 2,715 closer to Canadian beer! torkrules I'm neurotic
torkrules I'm neurotic Joined: Nov 2003 Posts: 2,715 closer to Canadian beer!	Quote: I was told to use auto trany fluid in my new rebuilt 4-speed just wandering if anyone of you has done this-I was told it is better for the syncro's and the bearings and may shift easier?? If you want to take the guess work out of this, contact Jamie Passon at Passon Performance and get some of "Passon's Potion". I don't know whats in this stuff but it works great!

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