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Thread size for steam line on radiator?

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Old Apr 6, 2015 | 09:01 PM
  #1  
redmaroz's Avatar
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From: Indiana
Car: 92 Z28
Engine: ls3
Transmission: t56
Axle/Gears: 4.11
Thread size for steam line on radiator?

Anyone know what size the port/thread type is on the radiator to run the steam line to is? I grabbed a few different hose barbs at the part store today and none of them seem to thread correctly.

Thanks,
Jay
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Old Apr 7, 2015 | 12:34 AM
  #2  
92BLKL98's Avatar
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Joined: Apr 2001
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From: Powder Springs, Georgia, USA
Car: 1992 Black Z28 Hardtop
Axle/Gears: 2002 10 bolt w/3:23
Re: Thread size for steam line on radiator?

I stuck one in my radiator I believe it was 3/8 NPT
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