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Why Fox Throttle Body?

  • Thread starter Thread starter spartanpride
  • Start date Start date Apr 9, 2011

spartanpride

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Apr 9, 2011
#1
  • Apr 9, 2011
  • #1
What is the purpose of changing the stock 95 TB to a Fox TB? Also what's the advantage of installing a throttle body spacer?
Thanks
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
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#2
  • Apr 9, 2011
  • #2
There is no advantage. I've had 2 foxbody Mustangs, and one of the biggest short comings of that car is the throttle body. The linkage is chinzy, and has a tendancy to fall off if it's been removed more than a few times. Which let's be honest, if you have a modded Mustang, that throttle body is going to come off more than a few times. Also, they have a tendancy to jamb. The SN throttle body is a huge improvement.

Kurt
 

spartanpride

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Apr 10, 2011
#3
  • Apr 10, 2011
  • #3
#16 towards the very bottom of the page, there's an article on swapping to a Fox throttle body. I still don't understand why you would want to do that...? That's why I'm asking, because like you said, it doesn't make sense to do this!
 

Adam95GT

New Member
Aug 14, 2006
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Apr 10, 2011
#4
  • Apr 10, 2011
  • #4
Ok... Here are my reasons

1. Able to run a cooled internal EGR
2. Cleans up engine bay
3. I can buy an accufab throttle body (doesent feel crappy at all.)
4. Some people say there is a HP gain but i havent seen that proven
5. Better throttle response has been reported by multiple users.
6. Able to clear Trickflow valve covers without running an intake manifold spacer.
7. The IAC even looks better.

also when people buy explorer motors their factory throttle body is larger then the stock sn95 so why not use it.


Im a fan:
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
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#5
  • Apr 10, 2011
  • #5
There is an advantage to having the internal EGR, but it's not that big of a deal. I think the closest thing to a hp test I saw on here. I think Rio did a before and after dyno test with the fox throttle body. He actually lost 1 hp going to the fox throttle body. If you really want a big accufab throttle body, then it's probably necessary, but not too many people are making enough hp to require a big throttle body.

Kurt
 

Last5.0

Active Member
Nov 9, 2003
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Apr 10, 2011
#6
  • Apr 10, 2011
  • #6
I agree, the only good reason to do it is to clean up the congestion in the engine bay area around the oil fill tube (plug wires, fuel lines, oil fill, throttle body, all in same area) or to be able to use parts that are much more available (bigger throttle bodies, blower discharge tubes, etc).

You can't run a strut tower brace without modification

Only reason people claim a better throttle response is because of the cam shape the cable rides in on the throttle body. Fox throttle is very touchy and when I got my '95 I found it easier to drive slower through parking lots, etc due to the pedal not being so touchy.

As far as ISC valve, they are swappable. A '94/5 will fit on a fox and vice versa. I personally don't like how the fox ISC wire plug faces down and touches the valve cover.

I have ran TrickFlow valve covers with my '94/5 cobra intake and no spacer and currently run fox valve covers with no problems at all.
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
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#7
  • Apr 10, 2011
  • #7
I'm running a Holley Systemax with Trick Flow valve covers and the standard SN throttle body setup with no spacer. I think if I wanted to run an EGR again though, I would need a small spacer.

Kurt
 

95Vert383AOD

15 Year Member
Jun 10, 2008
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New Bedford, MA
Apr 10, 2011
#8
  • Apr 10, 2011
  • #8
They only made that TB design for 2 years. I hate looking for 2 year specific parts. BTW i run a 90mm Accufab TB with an EGR delete plate. Also i feel the fox setup is alot more simple and mechanic friendly.
My first priority when i got my 95 was to clean up the cluster f#$% mess of an engine. It looks crammed and tossed together. I now have more engine bay room with my 351 based motor than i did with the 302.

Not that it matters buuuuut.....I can also remove both valve covers without touching my upper intake.

Before


After
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
Jun 14, 2004
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#9
  • Apr 10, 2011
  • #9
Is that a stovepipe connecting your throttle body to the MAF?

Kurt
 

spartanpride

Member
Feb 17, 2011
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Apr 10, 2011
#10
  • Apr 10, 2011
  • #10
Okay thanks guys thats what I wanted to know!
 

Venom351R

Founding Member
Apr 27, 2002
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Apr 11, 2011
#11
  • Apr 11, 2011
  • #11
It looks a lot better and it cleans up the engine bay quite well and I think there is a good bit of throttle response to be had, Im glad I had the swap done.





 

FastDriver

I was uncomfortably high & wearing a helmet
SN Certified Technician
Sep 5, 2001
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Apr 11, 2011
#12
  • Apr 11, 2011
  • #12
Because foxes are better.
 

95Vert383AOD

15 Year Member
Jun 10, 2008
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Apr 11, 2011
#13
  • Apr 11, 2011
  • #13
revhead347 said:
Is that a stovepipe connecting your throttle body to the MAF?

Kurt
Click to expand...

Nope. Its actually thicker aluminum with welded seams in the elbow. I was having the problem of finding pipe to connect to a 90mm TB. I was wandering threw the local Pep Boys and found out that "Spectre" made all different aluminum pipes, sizes and elbows.

Chris
 

95Vert383AOD

15 Year Member
Jun 10, 2008
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New Bedford, MA
Apr 11, 2011
#14
  • Apr 11, 2011
  • #14
revhead347 said:
Is that a stovepipe connecting your throttle body to the MAF?

Kurt
Click to expand...


Nope. Its actually thicker aluminum with welded seams in the elbow. I was having the problem of finding pipe to connect to a 90mm TB. I was wandering threw the local Pep Boys and found out that "Spectre" made all different aluminum pipes, sizes and elbows.

Chris

Ooops double post!!! Grrrr
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
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Apr 13, 2011
#15
  • Apr 13, 2011
  • #15
Ok, that makes sense. If it was a stovepipe, I was going to give you the thumbs up.

Kurt
 

95Vert383AOD

15 Year Member
Jun 10, 2008
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New Bedford, MA
Apr 13, 2011
#16
  • Apr 13, 2011
  • #16
Well in that case....it might be. I do drive the stang more than i cook.
 
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