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TF904 fitting size #1520390 10/20/13 11:40 AM 10/20/13 11:40 AM
Joined: Nov 2004 Posts: 638 South East VA J Joel71 OP mopar
Joel71 OP mopar J Joined: Nov 2004 Posts: 638 South East VA	What is the pipe thread size for the fittings that screw into the case that the hard lines attach to? '71 TF904.

Re: TF904 fitting size [Re: Joel71] #1520391 10/20/13 12:24 PM 10/20/13 12:24 PM
Joined: Jun 2004 Posts: 119 SE VA hemibee69 member
hemibee69 member Joined: Jun 2004 Posts: 119 SE VA	1/8" NPT is what I remember for the 904 and 727 Chrysler transmissions. If not correct there will be more responses I am sure. JiK 1969 Orig Hemi Super Bee Post 4 spd Red on Red (Sold sadly) 1970 Cuda Drag car 500" B1/BS 8.63 @ 155 mph 1970 Challenger SE 383 4 bbl A/C PB PS Leather 1971 Orig 440+6 Cuda 4 spd Shaker In-Violet

Re: TF904 fitting size [Re: hemibee69] #1520392 10/20/13 12:36 PM 10/20/13 12:36 PM
Joined: Nov 2004 Posts: 638 South East VA J Joel71 OP mopar
Joel71 OP mopar J Joined: Nov 2004 Posts: 638 South East VA	Thanks for the reply. I swear it looks bigger but I'm not sure. Can someone confirm this? I want to go buy something for it before I take it out so I would like to have the size now. I suppose I could get both 1/8" and 1/4" to be on the safe side. Anyone know for sure?

Re: TF904 fitting size [Re: Joel71] #1520393 10/20/13 04:26 PM 10/20/13 04:26 PM
Joined: Jan 2003 Posts: 25,785 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,785 Rio Linda, CA	1/8" NPT is correct unless somebody enlarged the case. The INTERNET, the MISinformation superhighway

Re: TF904 fitting size [Re: John_Kunkel] #1520394 10/20/13 08:23 PM 10/20/13 08:23 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: somebody enlarged the case. John I've been wondering about this, I've seen the brass fittings that are the next size up (1/4 NPT?) & use 3/8 inverted flare prefabbed brake lines. My Q is (with a 3/8 tube cooler) would all that give more flow for better cooling or are the passages inside the trans smaller than the fittings which that would be the limiting factor so that using larger lines etc outside would be a waste live every 24 hour block of time like it's your last day on earth

Re: TF904 fitting size [Re: RapidRobert] #1520395 10/20/13 10:43 PM 10/20/13 10:43 PM
Joined: Nov 2004 Posts: 638 South East VA J Joel71 OP mopar
Joel71 OP mopar J Joined: Nov 2004 Posts: 638 South East VA	Quote: Quote: somebody enlarged the case. John I've been wondering about this, I've seen the brass fittings that are the next size up (1/4 NPT?) & use 3/8 inverted flare prefabbed brake lines. My Q is (with a 3/8 tube cooler) would all that give more flow for better cooling or are the passages inside the trans smaller than the fittings which that would be the limiting factor so that using larger lines etc outside would be a waste 1/8" it is. I bought both to be sure. I thought for sure it was 1/4". The 1/8" does seem small even with 5/16" lines. All is fixed now, no more leak. This stopped me from spending a beautiful day at Budds Creek in MD for a full day of test & tune. Oh well, still have 3 more chances in Nov. Thanks all for the info!

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