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Generation 4-1 Pajero NS Model 2006 - 2009

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  #1  
Old 05-07-11
pajmobil pajmobil is offline
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Default NS DID Chip it and delete pipe

Hello all,
I recently purchased a late 2007 NS DiD and decided to upgrade performance with the Chip-it and DPF delete pipe mainly for long distance boat towing and beach driving. After doing all the install work and test driving for 3 months here are my experiences and opinions for the setup.

I first installed the delete pipe and after test-driving noticed a smoother and quicker shift through the auto gearbox. Did not really feel an increased in power or torque but the quicker shift must suggest that there is. I bridged the DPF differential pressure sensor at the sensors itself using the existing rubber hoses(see attached picture). Even with the delete pipe installed the engine control unit still performs a DPF burn-off every 2k or so. I noticed this on my scangauge as the MAP dropped to around 75 kPa(absolute) and the throttle position sensor(TPS) sits at around 8 % at idle. This at first had me really worried as it usually sits above 100 kPa(MAP) and 99% (TPS) at idle. Drove around for 20 minutes and everything back to normal until the next burn-off(not that there is anything to burn off in the delete pipe). Did notice an improvement in fuel consumption after burn-off(must also clean the catalytic converter ie less back pressure). During burn off there is a slight loss of power and a different tone and smell from the exhaust pipe.


I then installed the Chip-it chip and temperature controller as shown in the pictures. I connected the chip and temperature controller through a switch on the dash and can switch from the factory setting to tune 4-2 while the car is running.
The chip definitely increased power and torque although fuel consumption is around 1-2 l/100 km more than the standard tune. I do prefer the standard tune driving around town and on the freeway as the gearbox is better suited to the standard tune, that?s why the NT has a new gearbox to suit the improved engine performance.
Anyway I will see how chip goes when towing a 2 tonne boat up north.

I tried the EGR blanking plate with chip and works very well until I switch to standard tune and throws a P0299 code. Drilled a 12 mm hole in throttle plate and still throws a code. After all that I removed the plate and patched the hole in the throttle. I looked at the EGR valve and in take manifold and it is not to bad after 45 k. When setting the valve clearance at 50 000 km , I will clean it all out with solvent.

On my next oil change (every 7500 km) I am going to use a thicker oil, I have made up my mind to use the Caltex Delo 400 ,15W40(as I have no DPF), hoping it will reduce engine noise and is a lot cheaper than the synthetics (seems a waste to discard every 7500km). I am currently using the Shell Helix ultra extra 5W30, way to thin, but good for cold starting.

If you are going to do a performance upgrade I would highly recommend the delete pipe for the NS. It has so many advantages and besides the manual version does not have one. A mate drove behind me and says there was very little smoke out of the exhaust only on heavy acceleration.

Fuel consumption with standard tune and delete pipe :
8-8.5 l/100 km freeway driving
11.5 l/100 km city driving

10.5 l/100 km combined.

Anyway thanks for reading and hope it can be of help.
Attached Files
File Type: pdf chip-delete.pdf (771.2 KB, 557 views)
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  #2  
Old 06-07-11
jawk jawk is offline
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VERY good post !

Thank you for the effort of putting it and the pictures up.

Please let us know how you go with the oil after youve changed...
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Old 06-07-11
ThePup ThePup is offline
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Nice info, I'm interested in doing the same when I've got the spare $$ lying around. I was wondering if taking out the DPF would mean a switch back to standard, cheaper oil as well, I suspected it would.
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Old 08-07-11
jawk jawk is offline
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The special oil is a killer $$ wise.

A required evil while the DPF exists. Will watch the delete pipe progress.

Ive had a 2010 NT DiD Auto side by side with my NS and I reckon the NT pipe (cat but no DPF) would bolt on, brackets and all to the NS (not measured to the mm tho - only had a tape measure).

'Bet the NT complete pipe is a bucket of $100's tho...

Cheers
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  #5  
Old 10-07-11
kevin norman kevin norman is offline
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Great to see someone who knows how to go about doing the changes testing them and coming up with the correct results
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  #6  
Old 15-12-11
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Chip Tuning Chip Tuning is offline
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Correct. fit the DPF Eliminator pipe and go back to standard oil IE NON LOW ASH type

Saving of about $100 an oil change
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  #7  
Old 16-12-11
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Patagonia Patagonia is online now
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Quote:
Originally Posted by jawk View Post
The special oil is a killer $$ wise.

A required evil while the DPF exists. Will watch the delete pipe progress.

Ive had a 2010 NT DiD Auto side by side with my NS and I reckon the NT pipe (cat but no DPF) would bolt on, brackets and all to the NS (not measured to the mm tho - only had a tape measure).

'Bet the NT complete pipe is a bucket of $100's tho...

Cheers
So its like really the NT is only missing the DPF, no other extra part to replace it? maybe a different Cat converter (I know the manual NS has 2 cat converters) I would like to retrofit my NS with the NT Exhaust but would like to know if its worth or is the same as deleting the DPF...
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  #8  
Old 16-12-11
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Angry Angry is offline
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Quote:
Originally Posted by Patagonia View Post
So its like really the NT is only missing the DPF, no other extra part to replace it? maybe a different Cat converter

(I know the manual NS has 2 cat converters) ?????

I would like to retrofit my NS with the NT Exhaust but would like to know if its worth or is the same as deleting the DPF...
I can bet the delete pipe is heaps cheaper than an NT System.
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  #9  
Old 16-12-11
jawk jawk is offline
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I did ask the service manager about an NT pipe price - he laughed...

So - id expect somewhere between six and nine million dollars for the pipe!
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  #10  
Old 16-12-11
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Chip Tuning Chip Tuning is offline
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we may have some 3" SS exhausts for NS soon.

Well priced too.
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