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Topic: better breathing Fronty

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jordan
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Posted: Feb 11 2006 at 5:21pm \| IP Logged

Here is an almost free way to get a bit better performance from your 05/06
Frontier,Pathfinder,Xterra. While they have a big airbox,the tube to the
airbox from front fender it breathes through is quite small and i am certain
restrict the performace and fuel economy of the truck.

Tools required
10 mm socket,
6 inch extension
Ratchet
10mm combo wrench
Blade screwdriver
Dremel tool with cutting bit
Small file

1) Open hood.

2) Disconnect the negative battery terminal.

3) Use the blade screwdriver to loosen the hose clamp closest
to the airbox.

4) Open airbox, remove filter, and move airbox cover(lid) out of
the work area.

5) Using the 10 mm socket completely remove the bolt at the top back
of the airbox, loosen the one inside the box near the middle only.

6) With the 10mm combo wrench,loosen only the hex bolt at the bottom
front of the airbox.

7) Once the bolt at the back has been removed and the other two
loosened pull the airbox up and out of the vehicle.

8) Clean your airbox if dirty before you begin the modification.

9) Using the Dremel tool, cut the bottom front of the box out as
pictured. It is easy to do, use the "ribs" inside the
box to help guide the tool as it cuts. Remember to not remove
the larger "ribs" as they support the integrity if the airbox.

10) Different areas may be cut, I feel however the best place to
remove the plastic is at the front behind the headlight.
More cool air will be available for the engine to breathe in front
than at the back or side of the box.

11) Once the holes are cut as desired, clean up the edges of the areas
where the plastic was removed with the file. Make sure you get all
the plastic bits and filings out of the airbox before you reassemble it.

12) Reassemble the airbox in reverse order. Install your air filter
(or drop in that K & N you wanted).Put the airbox cover back on.
Retighten the hoseclamp on the intake tube hook up the battery
and the project is complete.

The entire job took about 1/2 hour, provides a small power
boost at low RPMs and a throaty sound at W.O.T. I have performed
this modification to my last 4 vehilces with success each time.This
mod can be done on almost any vehicle easily and inexpensively.

AZLS1
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Posted: Feb 11 2006 at 10:43pm \| IP Logged

Can you quantify the power boost or are you using the butt dyno?

jordan
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Posted: Feb 11 2006 at 11:41pm \| IP Logged

AZLS1 wrote:

Can you quantify the power boost or are you using the butt dyno?

the butt dyno....

i use a long hill in my area set the cruise at 120 kph and see how it goes up the hill. most of my experiance with this was on other vehicles. it was noticable when towing in the rockies...less downshifting etc.

Frontyfan
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Posted: Feb 12 2006 at 11:56pm \| IP Logged

wow, you two wanna kiss and make up already? lol

seriously tho, do you feel it makes as big of a difference as say the volant intake which operates on the premise that keeping a box around the filter provides true cold air and are you sucking in hotter air cutting that side off? is that the side closest to the engine? just some questions, what about warranty implications on your vehicle

__________________
'01 SE CC Shortbed silver

AZLS1
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Posted: Feb 17 2006 at 9:41am \| IP Logged

Frontyfan wrote:

wow, you two wanna kiss and make up already? lol

Huh? I have no beef with Jordan.

The Camaro LS1 guys do a similar mod to the bottom of the air box with good success.

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