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SR Performance Billet Smog Pump Eliminator (79-95 5.0L)

Item 94213
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      Review & Installation Video

      Well, here it is, our new project car, and as you can see I use the term new very loosely, you Fox body folks have been asking for it, so we’re going to give you a build unlike anything we’ve ever done before, we’re going to do a complete restoration on our 93 GT convertible, and you guys are going to be with us every step of the way. So what are our plans? Well, to say this thing is a little rough, would be the understatement of the century, we need to tackle just about everything there is on this car, I’m talking bodywork, paint, interior, headlights, and what’s left of our top just to name a few. Obviously we’re fans of just about every Mustang under the sun however there are a few that really get us going. One of these is the 93 Mustang Cobra, this was one of the first cars offered by Ford’s SVT division, and really set the tone as far as factory performance tuning is concerned however there was one problem, it was never offered in a convertible so we’re going to actually have a little fun with this build and make something we wish Ford had offered from the factory, we’re going to make our very own Mustang 93 Cobra convertible, which should really turn our tired old Fox into one bad little street machine. Before we get into the fun stuff, we need to take care of some much needed maintenance here on our 93, mainly the worn out and the 100000 plus drive train and body. So that’s the goal with this first step, we’re going to get our GT running like new again, and get the car ready for paint, because…yeah, we got a lot of work to do, so let’s get to it. Alright, 100000 miles of burnouts and hard launces has not been nice to our factory clutch, because it’s absolutely shot, so this is one of those areas where we’re not only going to freshen up, but we’re also going to upgrade, now our upgrade comes in the form of this Exedy Mach 350 stage 1 clutch, and the SR Performance clutch adjuster kit. This kit will replace our old, worn out, gummed up factory cable with this brand new adjustable cable as well as strengthen the weak plastic factory clutch quadrant with this brand new Billet piece. Basically we’re strengthening our overall shifting experience. Besides our beat clutch, our 302 motor is running extremely rough, we’re misfiring all over the place, and the power just isn’t there like it should be, so we’re going to give our motor a serious tuneup. Ryan and I are in the process of installing these iridium plugs as well as a new set of wires as well, on top of that we’re also doing a brand new distributor cap and rotor, and finally a brand new serpentine belt. All these parts should really get our 5.0 firing on all 8 cylinders again. As a little pointer for you whenever you’re doing a tuneup, we recommend using a little anti-seize on all your threads, just because you don’t want a stuck spark plug in your block. In addition, go ahead and throw a little dielectric grease on all your contacts, it’ll just help keep any excess moisture out. Unfortunately our slipping clutch and misfires are only part of the problem, when we were on the way back to the shop we noticed are car was running a little hot so we decided to overhaul our entire cooling system just to be safe. We’re ditching our factory radiator and mechanical fan in favor of this aluminum performance unit from Mishimoto, along with one of their electrical fans. This electrical fan will not only keep things cool, but by ditching that mechanical fan, we’re also going to free up some drag on our accessory belt, which in turn should free up some extra horsepower. To wrap up our entire cooling package we’re going with a brand new thermostat from Mishimoto, along with a new set of hoses from Ford Racing. Of course we have some performance stuff lined up after we get the car back from paint, but in the meantime we have to address this Frankenstein intake we found on the car, we’re going to replace it with this brand new SR Performance cold air intake which, besides giving us a nice little bump in power and sound, will more importantly get rid of this eyesore underneath the hood. Before we get out of the hood completely, we wanted to further reduce the parasitic drag on our accessory belt, so we decided to install this SR Performance smog pump delete kit. Could we run a smaller belt and eliminate the pump completely? Probably, but we wanted to do it right the first time, and clean up the engine bay in the process. Now that we’ve taken care of some necessary maintenance, let’s get to the next big part of the first stage of our resto. The only thing worse than the actual running condition of our GT is the physical condition, I’m not going to lie, this thing is pretty rough in just about every way, but that’s about to change, we’re going to send our GT off for some serious bodywork that includes a brand new paint job, but first, we need to take care of some problem areas. Some of these problem areas include a brand new set of smoked, one piece headlights, a new fender and a rear deck lid panel just to name a few but that’s not all that exciting, this is what’s going to turn our dream build into a reality, we’re going to outfit our 93 GT with a complete Cobra style body kit, along with this Cobra style wing, which when we’re done with our build, should turn our stock 93 vert, into one of the baddest, and possible one of the only, Foxbody convertible Cobras around. Well, that wraps up the first stage of the restoration here on our 93 GT, we took care of some much needed maintenance and got the car ready for the body shop, when we get the car back from paint, we’re really going to start having some fun with the interior and exterior styling, and of course give the car some much needed performance to back up that Cobra appearance, but in the meantime, I’m on my way to paint.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Free Up Horsepower
      • Solid Billet Construction
      • Light Weight
      • Fits 1979 to 1995 5.0 V8 Mustangs


      More Horsepower. The SR Performance Mustang smog pump eliminator kit allows you to remove the stock air pump to free up additional horsepower. This kit is ideal for Mustangs running without catalytic converters and it's billet construction saves weight.

      Quality Construction. Crafted from a solid block of machined billet aluminum, this SR Performance Smog Pump Eliminator Kit will last a lifetime.

      Fitment. The SR Performance Billet Mustang Smog Pump Eliminator is designed to replace the power robbing smog pump and installs in the same location on 1979 to 1995 5.0 liter V8 Mustangs.

      SR Performance

      Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      SR Performance 94213

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.3 out of 5 overall rating from 100+ customers

      Installation Time: Less than 1 Hour

      Installation Cost: $100-$250

      • April 16, 2020

        5 1995 Cobra - Dmac73 Installation Time: Afternoon

        Good Smog Replacement

        Just know you will need to grind some of the edge to fit a 94-95 Mustang. Otherwise good fitment.

        Helpful (3)
      • April 08, 2020

        5 1989 GT - Bair99

        Pulley delete

        I’m happy that it finally came in! Didn’t take to long considering with the Virus that’s going around. I have to say I’m happy with it and it looks very strong and clean!

        Helpful (3)
      • April 05, 2020

        4 1995 GT - Amdude6729 Installation Time: Less than 1 Hour

        Great Replacement

        My old smog pump bearing was making a hideous ticking noise so I decided to go with a delete kit. The rectangle mount for the pulley WAS NOT a perfect fit in the smog pump bracket. I had to shave some material off the edge for it to fit correctly. Other than that this mod reduced the belt noise and actually very slightly improved the throttle response. Great mod for cheap!

        Helpful (3)
      • November 30, 2019

        5 2007 GT - GerardoL Installation Time: Less than 1 Hour

        Smog pump delete

        Bolted up really nice, took 10 minutes and looks great!!! I love it

        Helpful (3)
      • August 06, 2019

        5 1989 LX - Fish Installation Time: Less than 1 Hour

        Worked great

        Does as is described with a perfect fit. Cleans up the engine bay.

        Helpful (3)
      • July 09, 2019

        5 1992 LX - AricR Installation Time: Less than 1 Hour

        Smog pump delete

        Since most of the emissions pieces were already out, this was a quick and easy swap. Fits nice and looks better than the old smog pump sitting there.

        Helpful (3)
      • July 03, 2019

        1 1995 GT - Steve Installation Time: Less than 1 Hour


        I bought this and straight out of the box had to grind it down to make it fit properly definitely do not recommend it to anyone with a 94-95 mustang .

        Helpful (4)
      • June 29, 2019

        5 1988 GT - meghan Installation Time: Less than 1 Hour

        Great Kit

        Great delete kit, perfect fit, easy job, looks amazing. Only issue was getting the spacer into the pulley was so tight I needed to used a mallot and towels to bang it in.

        Helpful (3)
      • June 14, 2019

        4 1995 Cobra - Lastgt50 Installation Time: Afternoon

        Need a grinder

        Takes minor grinding to fit 94-95. Besides that went on easy.

        Helpful (3)
      • June 07, 2019

        4 1995 GT - Rickluck2001 Installation Time: Less than 1 Hour

        Smog delete

        Very easy to install product is light weight and made of strong aluminum

        Helpful (3)

      Questions & Answers (13 answers)

      5 Top Rated Questions

      smog pump eliminator I have a 94 Cobra 5.0l V8 and i am wondering how you plug off the connections of the hoses (where the hoses connect) and what if anything does this do to the sensors and or computer.I have already removed the catalytic converters,and do i need to get a smaller belt because 1 customer said the pulley is smaller than stock,are there complete instructions with this kit.

      • I have a '92 lx 5,0 that has BBK offroad-h pipe. Being an offroad-h pipe, it obviously doesn't have cats on it. i left the o2 sensors plugged into the h pipe, then removed the smog pump itself. i took the lines off then plugged the remaining parts of lines with a bolt, then clamped them. you can go to a local hardware store and get hard plastic hose plugs if you prefer. Then I installed the smog eliminator kit, which was simple. i didn't buy a new belt, i was able to run the stock belt. only reason should have to replace the belt, is if its worn out and/or dry-rotted . I just did this today......

      Helpful (2) Show 2 more answers

      If I eliminate the smog pump, plug the heads, and crimp the exhaust tube for it, will the check engine light come on?

      • Without a tune, the check engine light will most likely come on.

      Helpful (0)

      If I eliminate my smog pump do I have to get a tune or can I just run it

      • No, a tune is not required after installing this and deleting the smog pump.

      Helpful (0)

      I have a 94 cobra mustang with an x pipe with 2 high flow cats. Do i need a smog pump or could i possibly gain some power by buying this product?

      • You can certainly install this smog pump eliminator and not find any issues for deleting that smog pump. Just keep in mind that installing this won't gain power exactly, it will be freeing up lost horsepower that was being limited by your smog pump.

      Helpful (0)

      Would there be less drag on the engine to eliminate pump and run a shorter belt bypassing the area altogether? Does this eliminator pulley produce any drag?

      • Installing the SR Performance Billet Smog Pump Eliminator will allow you to keep stock belt routing, and will have a minimal amount of drag as this is just a pulley freewheeling on bearings. If deleting the smog pump with a shorter belt, this will have the belt running closer to itself near the tensioner, which can cause issues with contact if used in conjunction with underdrive pulleys.

      Helpful (0)
      Post Your Question
      8 More Questions
      My car does not have a smog pump or any of the mounting bolts. Do you guys sell replacement bolts so that I can install this delete kit, or can you provide me with the bolt sizes? Thank you! 1 answer
      will this work on a 1995 ford F-150 5.0 1 answer
      I have a 91 GT. I was considering this, but would it be better to run a shorter belt? 1 answer
      If I buy this for my 89 mustang gt will I need to buy a smaller belt or is it the same width as the smog pump pulley? 1 answer
      I recently received the smog pump eliminator, and after assembling the part it doesn't look exactly like the picture on this website. The metal shroud (piece connecting billet block and pully) gets thinner at the tip and doesn't fully go into the bearing, because of this it's hard but possible to get the pulley spinning level. The thinner area is shown nowhere on any pictures. Is it possible I've received a defective part? 1 answer
      do I have to remove the convertors 1 answer
      Are there instructions in what to do? What holes are behind the heads? How big are the holes behind the heads? And what will I be able to use to cover them? 1 answer
      Will a smog pump removal cause it to still pass CALIFORNIA smog? I have never heard of a smog pump and when I google it, only Foxbodies show up... 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Smog Pump Eliminator

      Tech Specs

      Will It Fit My Mustang

      • Cobra - 93, 94, 95
      • Cobra R - 93, 95
      • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 79, 80, 81, 82, 83, 84, 85, 86

      Fits 5.0L V8's Only

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