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#1 |
Registered User
Join Date: Jan 2013
Location: Buffalo Gap, TX
Posts: 225
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Rant about Trans Cooler Lines
So...I want to add a giant transmission cooler to my 2000 Silverado, and I don't want rubber hoses that will rot - I want nice steel lines.
And I want them with OEM-style ends, because that's one thing GM did right, they're simple, I won't have to deal with wrenches rounding off flare nuts or other fittings. And of course, since it's not an OEM trans cooler, the pre-bent lines won't work. So I'm looking for some unbent or maybe coiled steel tubing with GM transmission flares on each ends, in a couple different lengths - don't have to be exact lengths, I'm good at bending and can even add in a coil or two to take up extra length and anti-vibration. Can I find ANYBODY who makes or sells such? NOOOOOOO!!! TONS of prebent stuff out there for every vehicle under the sun and TONS of chinese "stainless steel braided ptfe" lines out there, but NO unbent simple steel lines for a custom use??? Oh, I can spend $400 and get a hydraulic flaring tool that will make GM trans flares? Yeah, I'll use that *maybe* 4 times, ain't happening. ![]() GAAAAAAHHHHHH, makes me want to chew up a fender and spit shrapnel at whoever makes decisions like this.
__________________
My Chevy Truck Project Build Thread '62 Ranchero - 200 I6, 3-on-the-tree, power nothing. '71 LeSabre - 455 Stage 1, power everything. |
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#2 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,542
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Re: Rant about Trans Cooler Lines
I get it. I'm currently working on converting a truck to TBI injection. I do have the expensive flare kit you're referring to, but trying to find the fittings............ I did find the male fitting tubing nut from Inline, but finding the female end has been a no bueno. Have called several manufacturers inquiring but they're no help. So back to the wrecking yard to pilfer off of frame rails and convert. It's like trying to find the double flare fitting on the 67-72 fuel sending units that is soldered on
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#3 |
Senior Member
![]() Join Date: Mar 2015
Location: washington
Posts: 2,244
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Re: Rant about Trans Cooler Lines
Do you have the bubble-style fitting on the transmission? I am assuming so.
You can retrofit the fitting back to the flared ones if you like. Inline tube may have them? I would recommend it as they are much easier to deal with. Just be careful as GM used both 5/16 and 3/8" lines. It depends on the GVW and year. Another option is junkyard lines. I have even used the 5/16" compression fittings to connect two lines. I hide the fittings under the engine. |
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#4 | |
Registered User
Join Date: Jan 2013
Location: Buffalo Gap, TX
Posts: 225
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Re: Rant about Trans Cooler Lines
Quote:
![]() As it turns out, steel brake lines with double flares will work on the cooler end, and I'll cut the GM line and flare it, then use some unions to connect the steel lines to the GM ones. Still cheeses me that nobody makes straight lines with the GM flare...
__________________
My Chevy Truck Project Build Thread '62 Ranchero - 200 I6, 3-on-the-tree, power nothing. '71 LeSabre - 455 Stage 1, power everything. |
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