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Ok, What Transmission Fluid Do I Use? #2003322 02/01/16 12:45 PM 02/01/16 12:45 PM
Joined: Feb 2011 Posts: 293 Spanaway, Washington State P patosmith OP enthusiast
patosmith OP enthusiast P Joined: Feb 2011 Posts: 293 Spanaway, Washington State	I have a performance built 727 that was built by a local transmission guru. I was at the auto parts store to buy transmission fluid and found there are so many different types. He told me to buy Mercon type 3 if I can get it. He said synthetic is ok but not necessary. I prefer non synthetic but I'm not totally against it. I didn't see that type at the parts store and I also went on Summit's website and didn't see it. There are Dex / Merc combinations and stuff for imports. What do I buy?

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003329 02/01/16 12:56 PM 02/01/16 12:56 PM
Joined: Sep 2003 Posts: 19,355 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,355 north of coder	walmart [or any other store] brand type "F". summit doesn't have type "F" ? i didn't look.

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003330 02/01/16 12:58 PM 02/01/16 12:58 PM
Joined: Oct 2005 Posts: 1,305 Lakewood, Colorado herkamer pro stock
herkamer pro stock Joined: Oct 2005 Posts: 1,305 Lakewood, Colorado	Dexron III is now labeled as "automatic transmission fluid". I buy the 1 gallon jugs at Walmart for $11 or so. Some parts stores carry it in a 5 gallon bucket too, but the price seems more expensive than Wally world. Matt 69 Dart Swinger 340 83 W350, Megasquirted with 46RH Old news: 72 Demon street/race mobile Latest: 70 Duster backhalf car and even more

Re: Ok, What Transmission Fluid Do I Use? [Re: herkamer] #2003375 02/01/16 01:55 PM 02/01/16 01:55 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	Dexron/Mercon III should be everywhere. By the time it got to Type III, the two fluids had come so close in specs that they were interchangeable. Type F has its supporters, and many a racing Torqueflite has won with it. If I'd spent good money to have a transmission rebuilt I'd sure as heck use the builder's recommended ATF. R.

Re: Ok, What Transmission Fluid Do I Use? [Re: dogdays] #2003394 02/01/16 02:26 PM 02/01/16 02:26 PM
Joined: Dec 2007 Posts: 18,157 Mass DAYCLONA I Live Here
DAYCLONA I Live Here Joined: Dec 2007 Posts: 18,157 Mass	Originally Posted By dogdays If I'd spent good money to have a transmission rebuilt I'd sure as heck use the builder's recommended ATF. R. The only correct answer so far, esp if a warranty is in effect

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003471 02/01/16 03:57 PM 02/01/16 03:57 PM
Joined: Aug 2003 Posts: 43,127 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,127 Bend,OR USA	Type F or type FA from Wal mart works great in my cars with 727 foot brake racing(low 10s, high nines with a 8 inch race converter) and on the street Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003554 02/01/16 05:21 PM 02/01/16 05:21 PM
Joined: Jan 2003 Posts: 25,750 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,750 Rio Linda, CA	For warranty purposes I doubt if the local "transmission guru" will be able to tell what fluid was used without lab analysis. The INTERNET, the MISinformation superhighway

Re: Ok, What Transmission Fluid Do I Use? [Re: John_Kunkel] #2003686 02/01/16 08:27 PM 02/01/16 08:27 PM
Joined: Dec 2007 Posts: 18,157 Mass DAYCLONA I Live Here
DAYCLONA I Live Here Joined: Dec 2007 Posts: 18,157 Mass	Originally Posted By John_Kunkel For warranty purposes I doubt if the local "transmission guru" will be able to tell what fluid was used without lab analysis. Let's suppose there's a failure/problem, and the tranny guru asks what fluid you have in here?, and the OP responds "well the mopar gurus on Moparts said I could use _____, and said tranny guru replies, "well I told you to use _____ so any warranty/guarantee is void, go ask you Moparts gurus for help"

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003715 02/01/16 09:24 PM 02/01/16 09:24 PM
Joined: Mar 2006 Posts: 9,826 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,826 MI, usa	My 9.0 car uses Wal-Mart dexron. At last disassembly clutches and bands looked like they came out of a new box. Doug

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003744 02/01/16 09:55 PM 02/01/16 09:55 PM
Joined: Sep 2004 Posts: 6,906 IL, Aurora A ademon master
ademon master A Joined: Sep 2004 Posts: 6,906 IL, Aurora	I was told by my trans guy who does a lot of hi perf work to go with Dex/merc. Spacificly this

Re: Ok, What Transmission Fluid Do I Use? [Re: patosmith] #2003834 02/01/16 11:37 PM 02/01/16 11:37 PM
Joined: Feb 2011 Posts: 293 Spanaway, Washington State P patosmith OP enthusiast
patosmith OP enthusiast P Joined: Feb 2011 Posts: 293 Spanaway, Washington State	Thanks everyone! There is no warranty issues to be concerned about. I just wanted to be sure I buy the right stuff. My tranny guy did say it was not necessary to buy the expensive stuff. He built the TH400 I have in my 56 Chevy wagon that has a blown 383 in it and it has held up for many years. Wally world it is!

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