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#1060303 - 12/26/18 08:20 PM TH400 Lines  
Joined: Dec 2007
Posts: 192
mikester Offline
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mikester  Offline
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Joined: Dec 2007
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smalltown ny
Guys, Im posting this all over the place trying to get info.
I changed over from a TH350 to a TH400. Now I need to run the cooler lines to the new 4 row radiator. Ive been told the hard lines for the TH350 wont work. I really dont want to use AN fittings and braided lines. I called Inline Tube and the tech support guy told me the TH350 lines are 3-4" too long. He said I "might" be able to lose that much if I tweek the tube here and there but since I have SS lines I dont really want to do that. I'd rather have something that fits right from the start.
Has anyone purchased lines that will work out of the box ?

#1060309 - 12/27/18 02:48 AM Re: TH400 Lines [Re: mikester]  
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86ttop Offline
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86ttop  Offline
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Brooksville, Fl
www.ss396.com, buy the T-400 lines for a Chevelle is my suggestion and good luck!


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#1060318 - 12/27/18 05:36 AM Re: TH400 Lines [Re: 86ttop]  
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mikester Offline
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mikester  Offline
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smalltown ny
Originally Posted by 86ttop
www.ss396.com, buy the T-400 lines for a Chevelle is my suggestion and good luck!


I thought about doing that. Thats why I called Inline. The guy said a few people tried using the earlier hard lines but in the end they wouldnt fit. Thats not a good thing to hear. LOL

#1060337 - 12/29/18 09:27 PM Re: TH400 Lines [Re: mikester]  
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Chevyman540 Offline
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Chevyman540  Offline
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LaPorte, Indiana
You can always try to bend and flare your own lines. But I found it easier and nicer looking going with braided lines, you can route the hoses where you want them and get them away from the heat.


87 MCSS 540 BBC 736hp@6300 677tq@4800 t400w/transbrake 9"rear 4.30 gear
#1060339 - 12/29/18 10:17 PM Re: TH400 Lines [Re: mikester]  
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BadSS Offline
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BadSS  Offline
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Pearl, MS, 39208
I'm sure this may not be something you would consider, but when I converted, I cut the lines and used compression fittings in the straight part of the lines not far from the transmission. It was under the car out of sight and made transmission refreshers a breeze.


Original owner of 1985 SS black hardtop w/gray interior. Frame-on restoration - 406 sleeper w/ heavily ported FIRST TPI. However the 1.875" headers, 3.5" duals, TH400, Ford 9", notched frame, and 10-point cage w/swing-out bars might tip you off it's not a lil' ole 305 TPI. Other mods: 2" drop, 18" wheels, f/r disk brakes, and custom stereo system.
#1060341 - 12/30/18 01:11 AM Re: TH400 Lines [Re: Chevyman540]  
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mikester Offline
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mikester  Offline
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smalltown ny
Originally Posted by Chevyman540
You can always try to bend and flare your own lines. But I found it easier and nicer looking going with braided lines, you can route the hoses where you want them and get them away from the heat.


I considered using braided lines. To be honest Im not sure where I run them along the frame. I wound up making a new line from the proportioning valve to the right side caliper due to the headers being so close and I ran the new line up on the top of the frame rail so theres not much free space.
Where did you wind up mounting your lines ? Any photos ?
As far as bending new lines, I can do a lot of stuff but using a tubing bender isnt a strong point. One of my friends did the brake line and I sent the sample to Classic Tube so they could reproduce it in stainless.

#1060352 - 12/31/18 05:40 AM Re: TH400 Lines [Re: mikester]  
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Posts: 496
Chevyman540 Offline
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Chevyman540  Offline
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Posts: 496
LaPorte, Indiana
I mounted the lines to the top of the frame and ran them under the core support to the side of the air box. I've got my trans cooler mounted on the inside of the box.
[Linked Image]

[Linked Image]


87 MCSS 540 BBC 736hp@6300 677tq@4800 t400w/transbrake 9"rear 4.30 gear
#1060359 - 01/01/19 11:17 PM Re: TH400 Lines [Re: mikester]  
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mikester Offline
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mikester  Offline
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Joined: Dec 2007
Posts: 192
smalltown ny
Looking at those photos pretty much made my decision. The new brake line that I had made would be right under the braided lines. Looks like Im going to plan B. Im thinking about getting a set of OEM steel lines for the TH350. Hook them up at the radiator. Since theyre going to be longer than needed, I'll cut them both at a straight spot by the pan, bend the pieces that will work from the transmission and hook it all up with couplings. Then send the pieced up lines to Inline and have them each reproduced in SS.


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