Ye Olde Smog Pump
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Elder User
Joined: Jan 2009
Posts: 774
Likes: 1
From: East Tennessee
Ye Olde Smog Pump
Ok, I've read a lot of people asking about taking off their smog pump. I will do this TODAY and report back if I can even tell a difference if everyone seems to know this is an ok thing to do. I live in a state that does not check emissions.
I haven't looked in that area of my truck for awhile, but I think I can just take the belt off the pump and all will be well. Is there anything that can happen to my truck from doing this?
I haven't looked in that area of my truck for awhile, but I think I can just take the belt off the pump and all will be well. Is there anything that can happen to my truck from doing this?
Thread Starter
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Elder User
Joined: Jan 2009
Posts: 774
Likes: 1
From: East Tennessee
Well, I just took the belt off and went around driving. I don't really know if I can tell much difference from just normal driving, but I swear... This thing is burning out much easier from a very low roll in 2nd gear (NP435). Before it'd usually just go, or maybe barely make a little screech and then go, but this time, it would just start to light them (or it) up. It has never done this, and this is the exact same spot I always do this.
I am the last person who wants to think I gained performance if I really didn't, and like I said, I don't know if it has done anything while driving normally. If it did do something, it was just enough to help the tire get moving that little bit quicker to let it start burning out from a low speed punch. Every little thing helps the 302 in the 1200RPM area, lol.
I will say, it definitely feels like it's just easier to get the tires spinning.
All I did was take the belt off. The main thing I would like to know is if there are any side effects that can happen to my truck from this?
I am the last person who wants to think I gained performance if I really didn't, and like I said, I don't know if it has done anything while driving normally. If it did do something, it was just enough to help the tire get moving that little bit quicker to let it start burning out from a low speed punch. Every little thing helps the 302 in the 1200RPM area, lol.
I will say, it definitely feels like it's just easier to get the tires spinning.
All I did was take the belt off. The main thing I would like to know is if there are any side effects that can happen to my truck from this?
Elder User
Joined: Apr 2009
Posts: 725
Likes: 2
one less belt pulling on your alternator pulley..
if it was like my truck...14 less vacuum lines to leak, 4 check valves, 38 vacuum connector problems, etc...
hey is there a way to remove the egr spacer and put a normal carb spacer in? waht vehicles did the normal spacer some in? or do you need a pre smog intake?
if it was like my truck...14 less vacuum lines to leak, 4 check valves, 38 vacuum connector problems, etc...
hey is there a way to remove the egr spacer and put a normal carb spacer in? waht vehicles did the normal spacer some in? or do you need a pre smog intake?
Posting Guru
Joined: Sep 2006
Posts: 1,781
Likes: 1
I have been told that they only way to completely get rid of the emissions stuff is to go presmog. I plan on getting an new intake that has no smog or egr stuff on it at all.
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Elder User
Joined: Apr 2009
Posts: 725
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i made an EGR block off plate, and capped the other port (couldnt get the thing out of the spacer to plug it), i dont have any o2 sensors, so the only thing left is the cat and the egr tube from the exhaust manifold to the egr spacer.
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Junior User
Joined: Aug 2007
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From: southwest
one less belt pulling on your alternator pulley..
if it was like my truck...14 less vacuum lines to leak, 4 check valves, 38 vacuum connector problems, etc...
hey is there a way to remove the egr spacer and put a normal carb spacer in? waht vehicles did the normal spacer some in? or do you need a pre smog intake?
if it was like my truck...14 less vacuum lines to leak, 4 check valves, 38 vacuum connector problems, etc...
hey is there a way to remove the egr spacer and put a normal carb spacer in? waht vehicles did the normal spacer some in? or do you need a pre smog intake?
I think in the attached picture you can see my carb spacer...let me know if you find a way to reduce the number of hoses.
Moderator
Joined: Jan 2001
Posts: 56,980
Likes: 2,735
From: Virginia
On a EFI truck, taking the smog pump off will cause error codes. Nothing catastrophic, but be warned they will be there.
Taking the EGR off on a EFI truck will also cause error codes, and it may or may not start pinging.
Taking the EGR off on a carbed engine will almost always cause the engine to ping.
Taking the EGR off on a EFI truck will also cause error codes, and it may or may not start pinging.
Taking the EGR off on a carbed engine will almost always cause the engine to ping.
Lead Driver
Joined: Dec 2002
Posts: 5,491
Likes: 16
From: Kuna ID
I took the belt off my smog pumps(yes pumps, my truck has 2 of them) 4 years ago and haven't had a problem. My new motor wont have any though. I will save all the crap just in case they do require smogging someday.