No more smog stuff!!!
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Senior User
Joined: Jun 2005
Posts: 174
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From: Palo Alto, CA
No more smog stuff!!!
I have a 75 F250 with a 360. I am looking to rid all of the smog equipment on my truck and get rid of all the vacuum lines that I dont need. Does anyone know of a diagram that has only the needed vacuum lines instead of the stock diagrams? Or can anyone just tell what I need to keep and what I can toss? Thanks
Lead Driver
Joined: Sep 2003
Posts: 5,241
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From: Other side of the sunrise
The only vacuum lines I have left on my 74 are vacuum advance, brake booster vacuum line, and positive crank case ventilation (PCV). Of course I don't have the same carb sitting up there either but I would think you wouldn't need any more than that. Mine is also a 4 speed so I don't need the transmission vacuum modulator crud etc. If you have an automatic, you'll need that stuff.
New User
Joined: Jan 2008
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Try reading this thread 
https://www.ford-trucks.com/forums/s...d.php?t=383811
Users will find any & all information about practically any topic in this forum.
While you're waiting for live discussion, maybe look through the forum ?
https://www.ford-trucks.com/forums/s...d.php?t=383811
Users will find any & all information about practically any topic in this forum.
While you're waiting for live discussion, maybe look through the forum ?
Thread Starter
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Senior User
Joined: Jun 2005
Posts: 174
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From: Palo Alto, CA
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Fleet Owner
Joined: Jan 2004
Posts: 26,007
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From: Brentwood,CA
correct! i got rid of mine last year when my truck no longer had to be smogged in california and i dropped in a 428 i am doing the a/c conversion in it now. the projects just never stop.
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Thread Starter
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Senior User
Joined: Jun 2005
Posts: 174
Likes: 0
From: Palo Alto, CA
Thanks for all the help guys, I just finished getting all that crap out of there. It looks so much cleaner instantly, its great! Now I just have to work on getting those smog tubes off, the are on there so tight! I suppose a lot of rust has to do with that! :-)
Laughing Gas
Joined: Apr 2002
Posts: 845
Likes: 2
From: Bakersfield Ca.
Don't throw anything away. California smog law states that while our older vehicles are no longer required to be smog tested, they still are required to have all the smog equipment on them that came from the factory. They are not exempt from smog laws, just exempt from testing.
Now of course you can do what you want. But if you ever decide to sell your truck all the orginal smog equipment must be in place. FYI
Now of course you can do what you want. But if you ever decide to sell your truck all the orginal smog equipment must be in place. FYI
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
well getting the smog tubes off in one piece is impossoble they will break i just cut each tube off removed the rail then used a impact gun to remove them i tried the other way and spent 4 hours on one.