removing smog pump from 1989 Mustang GT - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 03-13-2002
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removing smog pump from 1989 Mustang GT

I am going to remove the smog pump and all the hoses and lines that go along with it in my 89 GT. The two questions I have are:

1. When I remove the tubes that are connected to the back of the heads, what can I use to plug that hole. I heard that Motorsport sells plugs for that but I am going to do this tomorrow if I can.

2. When I remove the air pump, what size belt do I have to use. Or do I have to use the replacement pulley that Motorsport makes?

Thanks alot guys.

- Doug
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post #2 of 7 (permalink) Old 03-14-2002
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Re: removing smog pump

Hey DJorgie,
I did the same thing on my 95 GT. When you pull the pump itself, you can either cap the metal lines where they go into the pump or you can cut them about an inch from the exhuast pipe and fill it with the putty that turns to steel or jb weld. as far as the head, you can use a brass pipe plug found at any local auto parts store, check out their motormite section. I have a link to the one I used.
stallionmotorsports.tripod.com/id44.htm
Its about the same. As far as the belt, you can get a shorter belt.... I went from the stock 105K6 (i believe) to a 955K6 so its not too much of a diff.. but take sewing tape measure wrap it around the pulleys and you should be close, with it tight, get a lil smaller (remember the auto belt tensioner)
Hope this helps
~*Adam*~
post #3 of 7 (permalink) Old 03-14-2002
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Re: removing smog pump

Thanks Adam that helped when it came to the belt, but I found a better fix for the plugging the heads. I called Down's Ford. Its over here in NJ about 1 hr from me. I told the guy in the Motorsport dept. what I was doing and he gave me a part# for a threaded plug that Ford offers specifically for this. Here's the part# - F4ZZ6E086A. I found a Ford dealer near me that had them in stock and they cost about $7.50 for the pair. Thanks for the help.

- Doug
post #4 of 7 (permalink) Old 03-14-2002
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Re: removing smog pump

when you unbolt the cross tube from the back of the heads you can also cut the ends of it off and bolt them back on with the flat side aginst the heads and it seals its self up.



- bill -
post #5 of 7 (permalink) Old 04-09-2010
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What is the power gain from the removal of the Smog Pump?

1994 Mustang GT - MSD Full Ignition setup, Pypes Exhaust H-pipe and Headers, Venom Control Module, Underdrive Pulleys, BBK Cool Air Intake, 75mm BBK Mass Air Meter
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post #6 of 7 (permalink) Old 04-10-2010
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What is the power gain from the removal of the Smog Pump?
not much at all, very some gains

1990 GT 5.0 T5 3.73 w/a 96 explorer motor ported gt40 heads, E-CAM,tfs-street intake,bbk-everything. put down 252-302TQ on a dyno jet with all kinds of issues...cheaper is seldom better epecially after your tach passes the 6200 mark....purchasing cheap chinese made parts teaches us a lesson on the importantance of doing it right the first time...ie the valve train and/or internal parts
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post #7 of 7 (permalink) Old 04-10-2010
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Quote:
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What is the power gain from the removal of the Smog Pump?
horsepower not much but, more space and better weight transfer is what you're really gaining.
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