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Discussion Starter #1
I know both of these mods dont weild any serious power but I am curious about them. What year F-150 has these throttle bodies, is one mod better than the other. Does anyone have these, do they make any difference?
Thanks
Will
 

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AED Specialist
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Originally, I took the FRPP 70mm t-body and ground the rivet off that held the linkage onto the pivot arm. I did the same on the old 65mm unit as well. I then drilled and taped a hole into the FRPP pivot arm where the rivet used to be. I think I used a 10/32" stainless steel cap screw, but I'd have to look at my notes.

I transfered my old 65mm t-body linkage arm to the FRPP t-body and used a washer and some thread locker to secure it with the 10/32 screw. It's been like that for almost 8 years.



Kar Kraft sells the F-150 T-Body for the '94-'95 4.6L T-Birds and Cougars. I wouldn't waste your money on the throttle body since it doesn't do much on a stock or near stock engine.

A-Train
 

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Mike,

The '94-'95 cars had the linkage arm reverse of what all '96 and up 4.6L T-Birds/Cougars and Mustang GT's had. Look at the photo above. The left side (stock '96 T-Bird) and middle (BBK 75mm) throttle bodies have the linkage upside down when compared to the stock '95 4.6L T-Bird throttle body on the right.

There is no real way to directly bolt on a '96 and up t-body or FRPP 70mm unit onto a '94-'95 car without doing what I described above. So Will was trying to find the
F-150 trucks from late '96 and up that had the 70mm throttle body from the factory but with the linkage set-up like the stock 1995 T-Bird had.

Nothing special about the F-150 throttle bodies other than they bolt onto the '94-'95 4.6L MN12's without any mods and they measure 70mm on the inlet and 67mm at the rear. Just like the FRPP 70mm unit does.

A-Train
 

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Could the F150 TB be used on a 96-97 with modification? Be nice to have a 70mm help let the heat pump my GF has breath.... ;) I think I know where to get one for a good price....

Thanks for the explaination bud.
 

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No way to flip that linkage or use linkage off your old TB? Sorry, Im a visual person. :eek:

Just looking for a cheap alternative to the BBK or FRPP piece for the GF's AED.
 

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Refrigerator Raider Hater
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AEDM8 said:
No way to flip that linkage or use linkage off your old TB? Sorry, Im a visual person. :eek:

Just looking for a cheap alternative to the BBK or FRPP piece for the GF's AED.
the FRPP and F150 TB are the same with reveresed linkage. You can use an FRPP TB with no modifications and the gains would be the same as if you took the F150 TB and reveresed the linkage.

Having said that, the FRPP/F150 TB isn't a good upgrade since it isn't reall a true 70mm TB.

Just get an accufab, bbk, etc, TB.
 

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GreenBird said:
Just get an accufab, bbk, etc, TB.
Only one problem with that. Aftermarket throttle bodies are junk. And yes I do have a basis for saying that. :)
 

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yeah ive heard they have leaking issues, and idle issues also, but i dont know how much of that is actaully founded, or cuased soley by the TB
 

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So why cant I reverse the linkage if the TB's are relativly the same. Im not looking to spend help her spend a million getting her project going, mearly an alternative to the norm.

To me it sounds like it will work. Im going to experiment...Might as well considering the TB is only a few bucks. I guess we will see.
 

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Discussion Starter #13
Will switching the tb w/o a chip cause my enging to go lean, is this the same for a half shafted tb?
 

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I tried the 70 mm T-Body on my '95 when it was a 4.6 still, and opening up the gooseneck was a PITA, and hardly worth it , Even with the whole induction opened up to 70 mm, there was no appreciable difference... Running a 75 mm on the 5.4, and wonder if theres any advantage to it, but thats what she came with ...
 

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Mike,

Yes you can. If she has a '96/'97 then you can find the 70mm F-150 throttle body and reverse the linkage arms from the 65mm to the 70mm. Just do it the way I described above and the only change I'd make would be to use a stainless steel metric cap screw.

Although Dan Newman is selling the 70mm FRPP throttle bodies real cheap these days and you really want a new TPS on it since it's a PITA to get at it later on once it's installed. It's your choice though.

A-Train
 

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Discussion Starter #16
Will3799 said:
Will switching the tb w/o a chip cause my enging to go lean, is this the same for a half shafted tb?
Anyone?
 

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Nope, there just isnt that much change....the flow will still be regulated , more or less, by the size of the smallest cross section area in the entire length of the induction system.
 
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