Tranny cooler lines

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sverbus
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Tranny cooler lines

#1 Post by sverbus » Thu Mar 09, 2006 3:36 pm

I've got a large TCI tranny cooler mounted in front of the radiator and currentlyl have hard stainless lines running up from the 'Glide.

I want to put those quick disconnect couplers that Jeg's sells and put stainless braided -AN line from the tranny up to the cooler. The cooler has -AN line fittings as well, so it should be a good fit.

My question is, do any of you guys have this setup and what size -AN line did you use? I was thinking -6an would be plenty, but didn't know if -8an would be more reasonable to move adequate amounts of fluid.

Thanks for the help guys,

Scott

jacobgiles
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#2 Post by jacobgiles » Thu Mar 09, 2006 4:15 pm

i used -6 and it seems to work pretty good.

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John_Heard
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#3 Post by John_Heard » Thu Mar 09, 2006 8:42 pm

-6 is what I use to. Old nitrous lines work great for tranny cooler lines.

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jones_performance
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#4 Post by jones_performance » Mon Mar 13, 2006 9:01 pm

if you can afford it use tfe -6, it has a larger inside diam thatn neopreme -6. plus they never rot.
Kevin

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68 Camaro
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#5 Post by 68 Camaro » Tue Mar 14, 2006 12:05 am

Everything that I have read and learned from guys that race is never use standard braded line for the trans coolers. The heated trans fluid over time brakes down the rubber. With this information, I used the -6 teflon braded line. If I remember correctly, it's not that much more than the rubber lines, but you do have to use the fittings that are for the teflon lines. :smt023

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sverbus
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#6 Post by sverbus » Tue Mar 14, 2006 9:23 am

yeah, I think i'll just invest a bit more money into the Teflon stuff.

Thanks fellas,

Scott
'70 Nova
434 small block
Best so far of 10.51 @ 131mph with a best so far 60' /1.46

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jones_performance
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#7 Post by jones_performance » Wed Mar 15, 2006 11:05 pm

also the teflon lines are lighter than neopreme, i use them on everything to keep weight to a minimum
Kevin

84 Olds Racer
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teflon tranny lines on a powerglide

#8 Post by 84 Olds Racer » Thu Apr 20, 2006 10:54 pm

I have an ATI superglide and they recommened teflon or steel lines. -6an is ok. I paid $4.50 a foot, which is cheap, I think it's $10.00 /ft @ Jegs. The fittings are a piece of cake to assemble, easier than braided rubber.
The reason for teflon hose is the same as using it for brake lines, high pressure causes the rubber to expand when it contracts it cuts off the cooler flow, and causes air bubbles; were talking about 250 psi on a transbrake car. Got my hose at a place that makes power steering hoses and other hydraulic lines.

Gary

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