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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

smog line removal

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Old Mar 8, 2024 | 08:19 AM
  #1  
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smog line removal

okay, i'm diving into my cylinder 1 not hitting.
im not gonna mess w anhthhbt else until that's fixed. once it is


i have a line coming from the back of the block to the smog pump. it's a rubber line from the pump on the accessory pulleys to the rear of the block where it slips of what looks to be a one way check valve , then to hard lines to the rear of the block. i know to do it right you need to put on block off plates i believe. but what happens if i temporarily remove that line from the pump to the one way check valve, if that's what it is.
 
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Old Mar 8, 2024 | 11:07 AM
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I guess it depends on which way that check valve works. I'll be the first to admit that Smog stuff is not my forte. That said, some context might help. Model Year? Engine? Pictures?

Never mind: this is just a continuation of your "odd random dead cylinder" thread. Gotcha.
 
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Old Mar 8, 2024 | 11:26 AM
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Originally Posted by Bronco638
some context might help. Model Year? Engine? Pictures?
Yes please. Is this a 302 or 351W? If so, take a look at this thread:

https://www.ford-trucks.com/forums/1...ctor-pipe.html






Details about how to fit plugs are found in that thread. It also has details about how to send away for your genuine faux bronze belt buckle once you join the "Rip Out That Pollution Crap" club. You'll also receive a VHS tape showing the secret membership handshake.

Some guys have gone the short route and only removed the rubber hose as you were thinking. IIRC, that didn't work out so well long term. Without fresh air flow through the check valve, it succumbed to heat and corrosion from exhaust on the downstream side. The valve corroded and created an exhaust leak.

 
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Old Mar 8, 2024 | 12:31 PM
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Where 9A487 connects to 9B449, I simply put a pipe cap on it with high temp sealer after removing all the other components.
 
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Old Mar 8, 2024 | 01:20 PM
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i was gonna cap off 9a487
 
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Old Mar 8, 2024 | 05:55 PM
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Originally Posted by K9Kodi
i was gonna cap off 9a487
Like was said, that will work for a few years. It then rots out. So you take it out and plug the hard line directly. Another year or so, the complete hard line assembly in the back will rot out. It may take some years to do it, but it will eventually.
 
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Old Mar 8, 2024 | 07:25 PM
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it will have a cummins 12v and one ton axles by then sooo
 
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Old Mar 8, 2024 | 10:28 PM
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Originally Posted by kr98664
Details about how to fit plugs are found in that thread. It also has details about how to send away for your genuine faux bronze belt buckle once you join the "Rip Out That Pollution Crap" club. You'll also receive a VHS tape showing the secret membership handshake.
Aw, man, I think the links to the prizes must be dead. I was really looking forward to my swag. LOL





 
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Old Mar 9, 2024 | 10:09 AM
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Originally Posted by 52 Merc
Aw, man, I think the links to the prizes must be dead. I was really looking forward to my swag. LOL



Give that man a Cupie Doll! Looks like a fire caused you to go full on "race". I hate all that smog gear that chokes the life out of an engine. The idea was to decrease emissions but in most cases all those bandaids led to increased emissions and reduced mileage, IMHO.
 
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Old Mar 9, 2024 | 11:28 AM
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yea next day no rain ima try and remove anything not associated with needing to run. haha
 
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Old Mar 9, 2024 | 01:53 PM
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Originally Posted by BigBlue2
Give that man a Cupie Doll! Looks like a fire caused you to go full on "race". I hate all that smog gear that chokes the life out of an engine. The idea was to decrease emissions but in most cases all those bandaids led to increased emissions and reduced mileage, IMHO.
Yep. It was a project I picked up that succumbed to the dreaded Holley loose fuel line connection. It had been sitting awhile but only had 45,000 miles on it, so I thought it was worth resurrecting. It looked worse than it was as most of what burned was the emissions stuff, so it was an easy decision what to do. You can actually see there's an engine there now and it runs amazing.
 
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