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basshead Profile
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X-TRAIL HOLIC
 


Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: Air intake design & modifications


ExyCol mentioned (his third paragraph in his last post) the lack of pressure (negative pressure) in the fender area. This can be addressed, causing positive pressure, by removing the foglight and thereby forcing air into the cavity when the vehicle is in motion. I had a similar setup on my Pulsar, however I had the pod filter in the engine bay, but the theory works the same way in that fresh cold air is being forced into where the filter is once the vehicle is moving. If ducting is used to direct the air to the filter, a 12V DC cooling fan (like used in PC cases) can be used in-line with the ducting (or at the end of it) so that cool outside air is forced into the location of the filter, and forcing the hot air out of the location.

I'll see if I can chase up the silicone hosing, Jalal.

edit: enter "rotor sport belmore" into Google (Oz sites only) and it comes up with a few mentions of the company (although with different phone numbers!). Address seems right, though. They're around the corner from Pickles Auctions.


Last edited by basshead, 18/Oct/2006, 8:46 pm


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Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
18/Oct/2006, 8:38 pm Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Air intake design & modifications


Found them, thanks Rich.

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18/Oct/2006, 9:04 pm Link to this post Send Private Message MSN Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Air intake design & modifications


OK Guys,

1st tank of fuel running with a CAI and hammering the exy like I was being chased by cops LOL

Super lead foot for the duration of one week at every opportunity.

Fuel consumption got affected badly and has increased from my normal 10.5LT/100kms to 11.7LT/100kms (city driving and air-con on)

I will try (note that am saying TRY) to drive normally this second tank to see if it makes a difference. hehehe emoticon

Impressions

The exy has certainly picked-up some HPs but I found the increase in power more evident in only two ranges of the RPM and they're from stand still and while in motion above 3000RPM. The pick-up is not so good between 2000-3000RPM and it takes a bit longer for the exy to jump off the mark, but when it does reach the 3000RPM mark, it just shoots off like a rocket and the RPM climbs high-up.

Cruising around at the normal RPM also feels more comfortable for the engine and it sounds quieter as well.

Idling has dramatically improved and there is no more vibration of any sort when sitting in "D-Drive" at the lights. I actually accidentally cranked the ignition one day thinking my exy had stalled emoticon

The V8 sound of the CAI is more evident when passing at the higher RPMs.

I found the CAI encouraging the exy to make a gradual type of acceleration, rather than just accelerating in sudden and rough gear change style.

It takes time to get used to having the CAI, as I was used to force gear changes in some situations and having the CAI seems to balance that.

I will report my driving impressions and fuel consumption after the 3rd tank.

Last edited by jalalski, 19/Oct/2006, 10:22 am


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19/Oct/2006, 10:15 am Link to this post Send Private Message MSN Blog
 
ExyCol Profile
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Date Registered: 09-2006
TOTAL POSTS: 116
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Re: Air intake design & modifications


quote:

basshead wrote:

ExyCol mentioned (his third paragraph in his last post) the lack of pressure (negative pressure) in the fender area. This can be addressed, causing positive pressure, by removing the foglight and thereby forcing air into the cavity when the vehicle is in motion.



This isn't an issue on the Exy's though, as they seem to have a intake at the front of the car, over the top of the radiator?
19/Oct/2006, 7:59 pm Link to this post Send Email PM   Send Private Message
 
basshead Profile
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Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
Reply | QUOTE
Re: Air intake design & modifications


quote:

ExyCol wrote:

quote:

basshead wrote:

ExyCol mentioned (his third paragraph in his last post) the lack of pressure (negative pressure) in the fender area. This can be addressed, causing positive pressure, by removing the foglight and thereby forcing air into the cavity when the vehicle is in motion.



This isn't an issue on the Exy's though, as they seem to have a intake at the front of the car, over the top of the radiator?



I meant for when a pod style filter is used/relocated to the front guard.


---
Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
20/Oct/2006, 7:07 am Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Air intake design & modifications


quote:

basshead wrote:
I meant for when a pod style filter is used/relocated to the front guard.



Rich, not sure about Series II, but with Series I fog lights, there are gaps around it which would allow air to pas through and the bottom section of the splash guard also has some gaps. I agree that removing the fog light would most certainly allow more air to get there and I might use this approach if I decide to hit the race track emoticon



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20/Oct/2006, 8:21 am Link to this post Send Private Message MSN Blog
 
BRETT72 Profile
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Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Re: Air intake design & modifications


Jalal,
 Quick question. What revs does the exy sit at now when your travelling at 100kph. I think standard was a tad under 3000, mine sits at 2700.

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BRETT72 - X235

21/Oct/2006, 5:48 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Air intake design & modifications


quote:

BRETT72 wrote:

Jalal,
 Quick question. What revs does the exy sit at now when your travelling at 100kph. I think standard was a tad under 3000, mine sits at 2700.



I have to check that Brett, wasn't paying attention, but I know my last gear change (mine is Auto) takes place when I hit 120kms/hour emoticon



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21/Oct/2006, 5:55 pm Link to this post Send Private Message MSN Blog
 
Canadas FarEast Profile
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BANNED USER

Date Registered: 10-2005
Location: Newfoundland Canada
TOTAL POSTS: 395
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Re: Air intake design & modifications


quote:

BRETT72 wrote:

Jalal,
 Quick question. What revs does the exy sit at now when your travelling at 100kph. I think standard was a tad under 3000, mine sits at 2700.



WOW - that seems high emoticon

At 100 kph my RPMs are no more than 2200, probably more like 2100...

I noticed this 'cause my other X would run around 24/2500 RPMs @ 100 kph.

At idle, I sit at about 750 - 800, in Drive with no vibrations whatsoever.

That being said, my fuel usage is no better than before.



---
Roger
X 228


2006 X-T Bonavista Edition
Production Number 0001

21/Oct/2006, 11:15 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Air intake design & modifications


Brett,

Went for a drive this arvo and tested the 100kms/hour speed. It sits at 2,500RPM

I will soon do the 0-100kms run (Rich are you interested in lending me the G-Tech again and be part of the action?)

P.S. My idle is 900RPM Roger.

Last edited by jalalski, 22/Oct/2006, 3:53 pm


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