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Old 10-25-2010, 09:18 AM
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350 Trans Cooler Fitting Size

Hey all. I'm replacing the trans cooler lines to SS, and trying to find the right size fittings. Seen online a couple places say 1/2 in.-20 Inverted Flare and then seen others say 1/4". Does anyone know what they are for sure? Thanks much.
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Old 10-25-2010, 09:31 AM
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Fittings that go into Trans case are 1/4" NPST/NationalPipeStraightThread not Tapered Pipe Thread.
http://www.tciauto.com/Products/Tech...r_fittings.asp
Most of the Line fittings are 5/16" Inverted Flare.
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Old 10-25-2010, 09:41 AM
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Quote:
Originally Posted by SSedan64
Fittings that go into Trans case are 1/4" NPST/NationalPipeStraightThread not Tapered Pipe Thread.
http://www.tciauto.com/Products/Tech...r_fittings.asp
Most of the Line fittings are 5/16" Inverted Flare.
Perfect thank you. Seen that site and that was the first one saying the 1/4" NPST
Got it all ordered finally! Comin together
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