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Old 06-16-2024, 11:12 AM
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grivera grivera is offline
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Join Date: Feb 2005
Location: Just south of Baltimore
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Yes the line fitting are straight threads and they were ruined by the NPT adapter I posted. It gets tight pretty quickly when I thread it in. Since it was previously in this space and is what ruined the threads in the first place I think it can’t hurt to give it a try. It had teflon tape on it previously as well. I’m just learning this as I troubleshoot the leak. I hadn’t thought about tapping it for NPT. DoI s anyone know the size NPT is that can be threaded partially in 1/2 x 20 straight threads, like the one in pic?

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'69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
'69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress
‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here:
https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb

Last edited by grivera; 06-16-2024 at 11:31 AM.