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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jun 2015 Posts: 59 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2015 Posts: 59 | I have built and assembled fuel systems and cooling systems for many years and I always use pipe dope on NPT fittings,you don't and it is going to leak,the only exception is using brass fittings, they can seal without sealant,I personally seal every fitting I install.
1962 GMC 920 step side 261 4 spd
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Entire Thread
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Heater hose fittings - teflon tape, pipe dope, etc?
| JW51 | 12/21/2015 3:38 PM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| EdPruss | 12/21/2015 4:12 PM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| JW51 | 12/21/2015 4:16 PM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| tclederman | 12/21/2015 4:45 PM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| Hotrod Lincoln | 12/21/2015 4:52 PM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| carbking | 12/22/2015 12:25 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| Deve | 12/22/2015 12:43 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| brokenhead | 12/22/2015 1:19 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| Hotrod Lincoln | 12/22/2015 2:24 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| Paul_WNC | 12/22/2015 2:38 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| Achipmunk | 12/22/2015 3:59 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| carolines truck | 12/22/2015 6:20 AM | |
Re: Heater hose fittings - teflon tape, pipe dope, etc?
| GMC kid 7530 | 12/22/2015 6:50 AM | |
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