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EF Falcon AirBox Modification Help Needed :) 

 

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 Post subject: EF Falcon AirBox Modification Help Needed :)
Posted: Thu Oct 23, 2008 1:38 pm 
Oompa Loompa
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hey guys.
I've had my ef falcon for about 6 months or so now.
its completely stock standard, and im looking to start the modification process :)

first on the chopping block is my air intake.
i've read a few guides on here on increasing the amount of air entering the airbox.
and im after a step by step outline and maybe a few tips from people that have done what im wanting to do.

my plan is this.

to take the stock ef falcon CAI.

<img src="http://i22.photobucket.com/albums/b346/2005-Hybrid-Modding/airbox1.jpg" border="0" alt="Airbox."></a>

And to cut a sizeable hole, 3" perhaps, for a pipe that will run from the front bar ( left fog light hole ) and up into the airbox.

<img src="http://i22.photobucket.com/albums/b346/2005-Hybrid-Modding/openbox1.jpg" border="0" alt="airbox2"></a>

Ive had a bit of a look around in the engine bay, and its a given that i need to cut through the wheel arch in order to run the piping.

<img src="http://i22.photobucket.com/albums/b346/2005-Hybrid-Modding/cover1.jpg" border="0" alt="shroud"></a>

a few other questions,
-would it be worth using a pod filter within the airbox, or just the standard panel filter. ?
- what tools will be needed to cut through the arch successfully ?


umm, and anything hints or comments that will be helpful :)
thanks.
EFNQIK.
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Posted: Thu Oct 23, 2008 1:46 pm 
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I suggest getting a BA intake if you can and working on that. The BA airbox and filter and probably the rest of it too flows over 25% more air. I got a whole BA intake from snorkel to crosspipe for $85, and you might be able to do better than that price. I don't see any value in fitting a pod, they have no more surface area than a BA filter, yet cost more, require special fitting, are more work to remove and replace, etc.

 

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Last edited by relaxed_diplomacy on Thu Oct 23, 2008 1:54 pm, edited 1 time in total.

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Posted: Thu Oct 23, 2008 1:52 pm 
Oompa Loompa
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my dad has a ba falcon.
but, i get the feeling he wont let me anywhere near his airbox haha.

ill see how much the ba intake will set me back.
cash is pretty tight these days.
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Posted: Thu Oct 23, 2008 1:57 pm 
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EFNQIK wrote:
my dad has a ba falcon.
but, i get the feeling he wont let me anywhere near his airbox haha.

ill see how much the ba intake will set me back.
cash is pretty tight these days.

I got a filter with my intake as well, although it wasn't flash. A pod alone costs as much or more than my BA intake and yet does nothing for performance.

 

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Posted: Thu Oct 23, 2008 2:15 pm 
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tickford snorkel..
3 inch mandrel bend aluminium intak from the box to the throttlebody...
k&n panel air filter..


(i used a drill and made a round circle of heaps of holes then just punched it out with a hammer n screw driver.. then just filed the sharp points a little..)

 

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Posted: Thu Oct 23, 2008 8:57 pm 
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fordfreak ef wrote:
3 inch mandrel bend aluminium intak from the box to the throttlebody...

It would be interesting to see a vid of your airbox when someone holds the brakes and floors the throttle.

[Just don't stand in front of the car in case he fumbles the brakes.]

 

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Posted: Thu Oct 23, 2008 11:41 pm 
Getting Side Ways
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save the $85 dollars you might spend on a BA air box. it's just not needed.

run a 3 inch intake pipe and you pipe from the front bar to the air box.
get a good filter, pod or panel, it doesn't mater. untill you're running low 14s you dont need any more than that.

the only other thing you might do is remove the extention in the airbox lid and replace it with a bigger version. or just take it out and leave it.
i ran mid 14's with a 3inch pipe from air box to TB and k&n panel filter and a bigger snorkle.

 

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Posted: Fri Oct 24, 2008 12:17 am 
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Have a look through this Thread it will give you a lot heaps more ideas to work with. You will probably have to do more research as to Pod vs Flat Filter. I myself recently bought a BA box + Snorkel :) and mandrel bent pipe...haven't yet got to installing it yet but if you plan on doing the BA box you will need to flatten the body just underneath the Box as the BA box is taller and doesn't sit nicely on there. Also change the filters to a KnN Brand which is much better.

http://www.fordmods.com/forums/viewtopic.php?t=70357

 

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Posted: Fri Oct 24, 2008 12:28 am 
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And for my 2 cents... Don't hassle cutting the mud guard, Just change to a BA Box with KnN Filter and BIGGER Snorkel and later on think about getting a 3" pipe. If you are saying thet money is a problem this my work out cheaper and time saving then going through all the trouble. To give you a detail on pricing, i got my BA Box and Snorkel for i think 80 bux. The pipe there is i group buy i think thet may happen again you might want to keep an eye on thet.

http://www.fordmods.com/forums/viewtopic.php?t=69108

And remember this is just my 2 CENTS!
Hope this helps.

 

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Posted: Fri Oct 24, 2008 12:35 am 
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Ford got it right with thier positioning of the intake, and cutting a hole in the airbox to the inner guard actually creates a pressure drop. If you dont believe me, get some gaffa tape, a 2ltr coke bottle half filled with water and a few metres of clear 1/4 hose. Block off each entrance one at a time and see how far up the hose the water goes when you stand on the throttle, with only the 3" hole underneath, the water went out the window on my EF

 

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Posted: Fri Oct 24, 2008 9:22 pm 
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i got a full BA intake for $50 4 months ago.
car goes a bit better than before and engine bay looks 100% better with out the BBQ plate
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Posted: Fri Oct 24, 2008 9:40 pm 
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A k&n panel filter costs a similar amount to a BA intake. Yet a standard BA filter being larger would offer similar or better flow than a k&n filter in an e-series airbox. Then there are the other benefits of the BA intake.

And a k&n filter plus mandrel bent stainless pipe costs more than a BA intake.

The positives i see of a BA flextube and crosspipe are they are 3" or more in diameter, light in weight, fit perfectly, have a smooth inside surface, fully allow for engine movement, and don't require any customisation.

The positive i see of a 3" mandrel bent stainless steel pipe from the airbox to throttle body are there are no internal undulations hence more linear airflow.

 

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Posted: Fri Oct 24, 2008 9:59 pm 
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relaxed_diplomacy wrote:
A k&n panel filter costs a similar amount to a BA intake. Yet a standard BA filter being larger would offer similar or better flow than a k&n filter in an e-series airbox. Then there are the other benefits of the BA intake.

And a k&n filter plus mandrel bent stainless pipe costs more than a BA intake.

The positives i see of a BA flextube and crosspipe are they are 3" or more in diameter, light in weight, fit perfectly, have a smooth inside surface, fully allow for engine movement, and don't require any customisation.

The positive i see of a 3" mandrel bent stainless steel pipe from the airbox to throttle body are there are no internal undulations hence more linear airflow.



considering the EF/L/AU filter is more then big enough in the first place, the very minor size increase if at all, the BA one give won't to s**t.

in all honesty an EF airbox lid with the EL flexible elbow an EL TB joiner is plenty. and cost about $20 to do. a clean ryco paper filter will supply enough air.

 

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Posted: Fri Oct 24, 2008 10:46 pm 
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I won't comment on whether the creater of this thread will benefit from a less restrictive intake. But i can say that if he wants to make it less restrictive, i reckon a BA intake is very good value for money, and addresses the entire system.

The BA filter is definitely 20 to 25% wider, and a better design with more surface area and possibly less resistance, than the e-series filters.

 

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Posted: Sat Oct 25, 2008 12:08 am 
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This is why I like you Tickford6, no s**t, tell it how it is, and your usually right when it comes to facts (oppinions sometimes vary :lol: ) Someone please tell us if you actually measured a difference by running the two different intakes. Considering that I obtained 0.02 G's average acceleration increase from an exhaust system that better suited my car, I cant see the airbox being that restrictive, and Im running an EF airbox for the record.

 

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