97-03 F-150 Throttle Body or Aftermarket - Ford Mustang Forum
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post #1 of 36 (permalink) Old 08-23-2015 Thread Starter
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97-03 F-150 Throttle Body or Aftermarket

Hey guys I just found out the 97-03 F-150 and E-150 throttle body is 70mm and is a direct swap on the 99-04 mustangs. Would there be any difference in using one of those then say an accufab throttle body? accufab is around 220 while you can get a used f-150 tb for around $20 at the junkyard


2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #2 of 36 (permalink) Old 08-23-2015
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There are less expensive tb's than Accufab. Try ProProducts, I've had theirs for years and it is a very well made piece; Accufab makes great stuff but IMO the only difference between them and others is how impressed people on the forums will be.

If you plan on using the stock plenum then I guess the F150 tb should be fine (I hadn't heard that they were interchangeable but it doesn't surprise me) but I doubt you'll notice much difference over what you have now.



2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #3 of 36 (permalink) Old 08-23-2015 Thread Starter
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No i plan on upgrading the Plenum as well but feel like if I can get the 70mm f-150 tb for so cheap what is the catch. I mean it is a ford product and it is 70mm so I don't get why aftermarket ones are around 150 if this will work just as good as them unless i'm missing something.

2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #4 of 36 (permalink) Old 08-23-2015
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If it's direct swap then hech yeah go for it. I got my plenum/TB on sale at LMR for $220 together. You can find deals if you look for them.

Matthew 26:52-54 / Go Pack Go!

1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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post #5 of 36 (permalink) Old 08-23-2015 Thread Starter
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I just got a Trickflow Plenum for 100 and was going to get the Throttle Body to match but then I read about the f-150 because the trickflow tb is 180 and wanted to ask before I made a mistake if the f-150 was bad or not lol. I just figured a lot of other people would of went this route if they knew about it or if there is something bad about it that I don't know.

2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #6 of 36 (permalink) Old 08-24-2015
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So what happened to the BBK tb/plenum noted in your sig? Is this for a different car or did you have issues with that part?


2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #7 of 36 (permalink) Old 08-24-2015 Thread Starter
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Quote:
Originally Posted by SoCal2V View Post
So what happened to the BBK tb/plenum noted in your sig? Is this for a different car or did you have issues with that part?
Issues sadly. it would stick also it made a horrible loud whistle noise like a bad vac leak but couldn't find any leaks I even used a smoker to find any and only leak was from my egr delete but fixed it with no luck. put the stock one bad on and no problems since which is why I was looking for different brands.

Also my mistake its not actually the f-150 that works but its the e-150 and f-250 super duty.

2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #8 of 36 (permalink) Old 08-24-2015 Thread Starter
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so I notice some of the models have a tiny hole in the throttle body blade on the e-150. Would this cause any problems?

2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #9 of 36 (permalink) Old 08-24-2015
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My stock TB has a small hole as well. I think it helps with the throttle sticking due to the pressure differences. I thought about drilling one in my SVE TB but I didn't. Do some googling and you will find some more info on it.

Matthew 26:52-54 / Go Pack Go!

1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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post #10 of 36 (permalink) Old 08-24-2015 Thread Starter
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Quote:
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My stock TB has a small hole as well. I think it helps with the throttle sticking due to the pressure differences. I thought about drilling one in my SVE TB but I didn't. Do some googling and you will find some more info on it.
oh okay thanks yea I looked at my throttle body blade and didn't see any but okay ill google it should of thought about that to begin with xD

2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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post #11 of 36 (permalink) Old 08-24-2015 Thread Starter
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got my answer seems some mustangs have them from factory and others don't. Kind of weird actually. Also looks like it might cause a problem or might not lol some people have high idles after installing a throttle body with a bleed hole on it. Looking into their posts it might be because they didn't change the TB with the negative terminal disconnected for the iac to relearn but I guess I'll find out myself when my Plenum gets here.
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2003 Mustang GT Auto - Airaid CAI, Kooks Long Tube Headers, Kooks Catless X-Pipe, SLP Loudmouth Exhaust 1, 4.10 Gears, BBK 78mm Throttle Body Upper Intake Combo, 100 Shot NX Plate Kit, Dyno Tune

Suspension - 4 Cylinder Front Springs, Stock Rear Springs, Team Z CC Plates, Strange 10-way Adjustable Shocks and Struts.

241rwhp and 301tq on Mustang Dyno(outdated new #s coming soon)
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Cool. My throttle is super sensitive so if it works for you let me know. It might help with me to drill a small hole.

Matthew 26:52-54 / Go Pack Go!

1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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All I know about that hole is that it allows air to be drawn through at idle. Which of course we all know is the function of the IAC as well, I can only guess that the hole in the throttle plate is there to supplement the IAC's function.

The stock tb from my car has it (I have the whole tb/plen hanging on the wall out in my garage so was easy enough to go take a look), not sure if my PP tb has one or not.


2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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I swear I read it helped with alleviate a pocket of pressure right behind the throttle blade. I could be wrong though...I read too much crap about our cars so I could have got it mixed up ha

Matthew 26:52-54 / Go Pack Go!

1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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The hole you have mentioned is to reduce the load of your IAC at idle. If you have a way to monitor the PIDs of your IAC percentage or the voltage then you will know if you need the hole or not. No more than 40% or .40v should be allowed. If it is higher then you will have to drill a hole or drill your existing hole out one size higher. Do not use the values of the IAC while driving, only at idle, due to the IAC will increase % as you throttle around town.


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