help deleting smog pump

M

mustangking101

New Member

Feb 22, 2009

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AZ

Apr 19, 2009

#1

• Apr 19, 2009

• #1

I want to get rid of my smog pump cause i dont need it and i want the power back.
what would be better to do...
take it out completly and get a new serpentine belt
or get a delete kit from summit and keep the same belt
and do i have to plug up any holes or anything?
thanks

 

02 281 GT

Agreed...My wife has great Boobs

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Apr 19, 2009

#2

• Apr 19, 2009

• #2

The simplest way would be to remove the pump and get a shorter serpentine belt. An 89.5" belt is what you'll need. I have BBK underdrive pulleys on my Cobra, and the difference in the sizes of the BBK pulleys necessitated a slightly longer belt as the 89.5" was just a bit too short. I remedied the problem with a 90" belt. If you have a Cobra you'll have to bend the oil cooler lines slightly in order to keep the belt from making contact with them (the belt routes around the opposite side of the water pump and crank pulleys in the short belt routing).

View attachment 261310

 

94-302-vert

Active Member

Aug 16, 2004

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NE CT

Apr 20, 2009

#3

• Apr 20, 2009

• #3

So can you bypass the air pump without removing it?

WHat about the A/C

 

02 281 GT

Agreed...My wife has great Boobs

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Feb 3, 2009

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Apr 20, 2009

#4

• Apr 20, 2009

• #4

94-302-vert said:

So can you bypass the air pump without removing it?

WHat about the A/C

Click to expand...

You can definitely bypass the smog pump without removing. Not sure why you would, though. Removing the pump and associated thermactor tubing isn't a tough task.

This thread has some good info and diagrams concerning the belts you need for different bypasses and alternate routings.

 

Y

yukisho

Banned

Apr 4, 2009

44

3

103

Saint George, Utah

Apr 20, 2009

#5

• Apr 20, 2009

• #5

Question is that if you just re-route the belt to not be on the smog pump, will that give you your power back or will the pump need to be removed?

 

02 281 GT

Agreed...My wife has great Boobs

15 Year Member

Feb 3, 2009

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Apr 20, 2009

#6

• Apr 20, 2009

• #6

yukisho said:

Question is that if you just re-route the belt to not be on the smog pump, will that give you your power back or will the pump need to be removed?

Click to expand...

You'll get a power gain either way since the crank will have one fewer pulley to drive. However, any power gain related to deleting or bypassing the smog pump will be negligible. I just like to delete it because it cleans up the engine bay and makes it easier to change spark plugs.

 

Husky44

10 Year Member

Sep 27, 2006

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Tacoma, WA

Apr 20, 2009

#7

• Apr 20, 2009

• #7

My .02 worth: Deleting smog is a way to lose weight. It doesn't seem to do much for performance. I'm running a pulley kit, and took the smog and A/C off the car. No noticeable change in performance; might have changed exhaust note a bit, but nothing noteworthy. Car did lose enough weight in the nose that I could visibly see the difference at the front fender to tire gap.

Therefore: If you're not going to remove the pump and associated plumbing, don't bother with the shorter belt. You're not going to get any power gains to speak of.

 

M

mustangking101

New Member

Feb 22, 2009

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AZ

Apr 21, 2009

#8

• Apr 21, 2009

• #8

alright cool thanks guys...
im probably just gonna remove it cause i dont want it/or need it
and what should i plug the holes up with where the hoses attach to?

 

95Vert383AOD

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Jun 10, 2008

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New Bedford, MA

Apr 21, 2009

#9

• Apr 21, 2009

• #9

Remove the hoses...and EGR, Plug the line going to the header....then pull the passenger side plastic in the wheel well and unplug the long vacuum controller with red/green etc. colored hard vacuum lines......I hate seeing an unfinished job. If youre gonna remove the Smog system....best to remove it to the point where it looks like it was never there.

Chris

 

M

mustangking101

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Feb 22, 2009

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Apr 22, 2009

#10

• Apr 22, 2009

• #10

so really all i want to do is get rid of the smog pump do i have to for sure get rid of that tubing from the header to the intake? cause i dont wanna deal with that stuff just yet i just want to get the smog pump off..

 

02 281 GT

Agreed...My wife has great Boobs

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Apr 22, 2009

#11

• Apr 22, 2009

• #11

mustangking101 said:

so really all i want to do is get rid of the smog pump do i have to for sure get rid of that tubing from the header to the intake? cause i dont wanna deal with that stuff just yet i just want to get the smog pump off..

Click to expand...

You could. You would just have to plug both tubes with something.

Removing that tubing is easier than it sounds. Just remove the rubber hoses and vacuum tubes associated with the smog pump, then unbolt the tube that goes to the h-pipe so that it hangs loose. It has a small clamp where it attaches to the h-pipe, and a small bolt that attaches to a bracket on the passenger side of the h-pipe for support. With the longer tube loose you will be able to unbolt the tube from the backside of the engine. It just take a bit of wiggling to remove it completely once it's unbolted. If the longer tube gets in the way, just bend it until is isn't. The logner tube will come out easily once the tube behind the engine is removed.

You can cap the tube that's left on the h-pipe with something so it doesn't result in an exhaust leak, and just cut the tube that went behind the engine and flip it backwards so that it covers the thermactor ports in the heads. There's really nothing to it.