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11-27-2020, 04:07 PM
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#1 |
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Senior Member
 
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,134
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Intake manifold Brake booster plug
I will be installing a hydratech hydroboost brake set up in my Blazer. Because of this I need to plug the hole where the brake booster got its vacuum. Trucks with factory hydroboost have the plug in that location. I do not want to put a bolt in a hose!
Does anyone have the GM part number for that plug? It will look like this but it is solid instead of hollow. 
__________________
Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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11-27-2020, 05:03 PM
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#2 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Intake manifold Brake booster plug
Years ago I tried to find the part number for that plug and never did find one for it. The part its self doesn't have a number cast into it either. But if you send me your address I'll send you this one.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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11-27-2020, 06:35 PM
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#3 |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,134
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Re: Intake manifold Brake booster plug
Information sent. Thank you so much!
__________________
Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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11-27-2020, 07:42 PM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Intake manifold Brake booster plug
Can’t you find and use a vacuum cap on the original fitting?
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11-27-2020, 09:47 PM
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#5 | |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,134
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Re: Intake manifold Brake booster plug
Quote:
__________________
Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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12-01-2020, 06:02 PM
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#6 |
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Registered User
Join Date: Mar 2013
Location: Lenexa, KS
Posts: 547
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Re: Intake manifold Brake booster plug
AC Delco #12559760. This is the part number for the nipple.
Edit: I see that you are looking for the part number for the plug. Looks like ICT billet make a billet plug that you could use. I have a couple around somewhere, but I cleaned and not I can't find anything lol |
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12-02-2020, 10:11 PM
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#7 |
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Senior Member
Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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Re: Intake manifold Brake booster plug
I have a bag full of those plugs.
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Saskatoon, Saskatchewan Canada |
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12-02-2020, 11:02 PM
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#8 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: Intake manifold Brake booster plug
Do you have a part number ?
I have been looking as well I can find lots of vacuum booster nipples no vacuum plug numbers |
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12-03-2020, 06:59 AM
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#9 | |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,134
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Re: Intake manifold Brake booster plug
Quote:
__________________
Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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12-03-2020, 10:44 PM
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#10 | |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Intake manifold Brake booster plug
Quote:
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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12-04-2020, 04:06 AM
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#11 | |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,134
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Re: Intake manifold Brake booster plug
Quote:
__________________
Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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12-04-2020, 09:26 AM
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#12 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Intake manifold Brake booster plug
I sent it out Monday morning. I'll have to find the receipt from the PO to see what happened to it.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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12-06-2020, 11:38 AM
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#13 |
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Registered User
Join Date: Dec 2002
Location: Cactus Patch So. Az
Posts: 4,749
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Re: Intake manifold Brake booster plug
The luck I am having finding this plug is not working!
I had a vacuum cap on that port but the engine hiccupped and it took a long time to find the problem......... it blew the cap off, so I need a bag of the RIGHT plugs as I have 3 engines not using this port Thanks
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53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD) 53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25 55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73 62 Solidaxle Corvette Roman Red (327 340hp 4spd 3:36) C4 & C5 suspension tube chassis LS 3 4L70E 65 Corvette Coupe 327 350hp 4spd 4:11 78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42 2000 S-Type 3.0 (wife cruiser) 2003 GMC SCSB 5.3 4L60E 3:42 |
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