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08-22-2012, 11:23 AM
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#1 |
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Registered User
Join Date: Nov 2010
Location: saraland al
Posts: 102
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Transmission lines
I'm using stock 4L60 lines and they are 3/8". It appears the fittings in the radiator are for 5/16". Any simple way to do this? Does someone make a nut for the 5/16" tube hole that I can flare on the 3/8" tubing? I read that the radiator thread is 1/2"- 20. It's getting close to Cruisin The Coast and we want to make it but these small things keep holding up the show.
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08-22-2012, 09:06 PM
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#2 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Transmission lines
Quote:
If your dead set on the 3/8" lines..... Use #6 AN to 1/2-20 flare adapter fittings, http://aeroquip.cc/fcm2963-fbm2963.aspx X2 Steel AN tube nuts, http://aeroquip.cc/fcm3572fbm3572-fi...e-06steel.aspx X2 Steel AN Tube sleeves http://aeroquip.cc/fcm3680fbm3680-fi...e-06steel.aspx Sleeves are sold in pairs This is why I always run the older 5/16" flare to 1/4" NPSM fittings on the trans & run 5/16" cooler lines. |
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08-23-2012, 08:35 AM
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#3 |
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Registered User
Join Date: Nov 2010
Location: saraland al
Posts: 102
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Re: Transmission lines
Thanks for the information I wound up flaring the 3/8" a little bit, slipping the 5/16" inside and welding it. I didn't want to wait on parts and I was able to keep the factory flex hose on it and made my splice right at the radiator so it looks almost OEM.
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08-23-2012, 11:27 AM
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#4 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Transmission lines
As long as it seals....
But if you weld the nut on, how do you tighten without being able to spin the nut?
__________________
'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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08-23-2012, 11:31 AM
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#5 |
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Registered User
Join Date: Nov 2010
Location: saraland al
Posts: 102
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Re: Transmission lines
Not welding the nut, just slipping the smaller tubing inside the larger and welding it a inch or so back from the nut.
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08-23-2012, 05:10 PM
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#6 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Transmission lines
Makes a bit more sense I guess, but you still might want to keep an eye on it tho; I'd think you may still run the risk of cavitation.
__________________
'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING |
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08-23-2012, 07:54 PM
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#7 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Transmission lines
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