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07-22-2024, 01:01 AM
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#1 |
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Senior Member
 Join Date: Jul 2008
Location: Central Coast, CA
Posts: 266
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WTB - Vacuum fitting
Looking for a vacuum fitting with "actual" 3/8" threads (not NPT 3/8") and a small (1/8" or so) fitting for the vacuum hose. The local hardware store has one with what initially looks to be 3/8" threads but it tapers larger and won't fit in the threaded port on my intake. Anybody have such a fitting they'd be willing to part with? Thanks.
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07-29-2024, 11:15 PM
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#2 |
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Senior Member
Join Date: Jul 2008
Location: Central Coast, CA
Posts: 266
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Re: WTB - Vacuum fitting
So, to follow-up, I used a die to thread the hardware store fitting to a consistent 3/8" diameter. It now fits and so far is working well.
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08-17-2024, 09:33 AM
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#3 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,358
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Re: WTB - Vacuum fitting
Just curious, what intake do you have? I’ve not seen an intake with straight threads. Does it take an o-ring fitting?
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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08-17-2024, 02:56 PM
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#4 |
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Senior Member
Join Date: Jul 2008
Location: Central Coast, CA
Posts: 266
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Re: WTB - Vacuum fitting
It's an older Offy on my 292. No o-rings, just apparently straight threads. It's the front one in this pic; I don't remember any issues with the port to the rear, that fitting may have come with the manifold when I got it.
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08-17-2024, 02:57 PM
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#5 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,358
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Re: WTB - Vacuum fitting
Interesting. Thanks for the info.
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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