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Automatic Transmission Hard Lines to Radiator

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Old

Oct 15, 2020 | 03:54 PM

#1

Thread Starter

Junior Member

Joined: Oct 2018

Posts: 24

Likes: 0

From: Near Atlanta

Car: 1984 Trans Am

Engine: 350

Automatic Transmission Hard Lines to Radiator

1984 Trans Am With Frostbite FB 189 Radiator Question:
Any body know the Size and Thread Count on the Transmission solid tubing Fitting that Threads into lower part of Radiator?
Eyeballing it looks to be different than threads on Radiator.
1/2 x 20 sound about right?
Thanks
Mike

Last edited by Fxd99harley; Oct 15, 2020 at 05:51 PM. Reason: Adding something

Old

Oct 15, 2020 | 07:30 PM

#2

NoEmissions84TA

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Joined: Feb 2017

Posts: 4,174

Likes: 569

From: Meriden, CT 06451

Car: 84 TA orig. 305 LG4 "H" E4ME

Engine: 334 SBC - stroked 305 M4ME Q-Jet

Transmission: upgraded 700R4 3200 stall

Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars

Re: Automatic Transmission Hard Lines to Radiator

Tubing thread sizes - not machine screws/bolts.
But as it turns out, 1/2" - 20 is correct if the tubing is 5/16" OD.

Last edited by NoEmissions84TA; Oct 15, 2020 at 07:38 PM.

Old

Oct 16, 2020 | 10:14 AM

#3

Thread Starter

Junior Member

Joined: Oct 2018

Posts: 24

Likes: 0

From: Near Atlanta

Car: 1984 Trans Am

Engine: 350

Re: Automatic Transmission Hard Lines to Radiator

Quote:

Originally Posted by NoEmissions84TA

Tubing thread sizes - not machine screws/bolts.
But as it turns out, 1/2" - 20 is correct if the tubing is 5/16" OD.

Thank you for Verifying that information.
Mike

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