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jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28956
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posticon A Summary of all of the Performance Mods for QR25DE


Hi Guys,

Seeing that we have started discussing and "researching" performance modifications for our engine, I thought it'll be a good idea to list all of the available performance mods for it in this post and we can then branch-out and cover each of them (if they haven't already been discussed on our forum)

The full list of performance mods for the QR25DE can be found below:

quote:


Beginner Mod List
Loctite Butterfly Screws
Header
Midpipe
Cat-Back Exhaust
Intake
(Motor Mount Inserts)
Crank Pulley
Powersteering Pulley
Short Shifter kit
Stainless Steel/Braided Clutch line
Upgrade transmission fluid
Throttle Body Bypass Mod


Intermediate Mod List
BSR Kit
Cam Shafts
Cam Sprocket
Port & Polish Intake Manifold
Polish Throttle Body
Knock Sensor Relocation
Fuel computer
Wideband
Datalogger
Torque Damper
Clutch
Flywheel

Advanced Mod List
Turbo Kit
Supercharger Kit
Nitrous Oxide
Engine Swap
Rods
Pistons
Valve springs
Valves
Headwork




NOTE: The listed mods and trouble-shooting guides are for the Nissan Sentra SpecV which shares the same engine with our xtrail. It is important to remember that while the engine is the same for both cars, it does NOT mean that a mod which gives results for the Sentra will give the same results in the xtrail. Please keep this in mind before venturing out and implementing any of these modifications and do your homework.

This list should NOT be treated as the Gospel of mods and it has been presented to you for reference purposes only!

Last edited by jalalski, 6/Dec/2009, 7:01 pm


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30/Jan/2008, 7:37 pm Link to this post Send Private Message MSN Blog
 
BarryF3 Profile
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Date Registered: 11-2009
TOTAL POSTS: 53
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Re: A Summary of all of the Performance Mods for QR25DE


Hi Jalal
The link on this page doesnt work anymore.

Regards
Barry
6/Dec/2009, 4:00 pm Link to this post Send Email PM   Send Private Message
 
FJRKYM Profile
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Date Registered: 10-2006
Location: Adelaide
TOTAL POSTS: 107
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Re: A Summary of all of the Performance Mods for QR25DE


Hi Jalal,

Just a suggestion as you know more than us. emoticon

Is it possible to put figures next to each mod like claimed emoticon and tested emoticon hp gains?

Kym
7/Feb/2010, 2:42 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: 28956
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Re: A Summary of all of the Performance Mods for QR25DE


I can do so against the mods am familiar with, but I haven't explored every single mod on the list to be able to cover it in full. Also, the ones I can cover have already been discussed on the forum, so you can use the site search to locate them emoticon

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7/Feb/2010, 6:58 pm Link to this post Send Private Message MSN Blog
 
autech Profile
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Date Registered: 01-2011
Location: INDONESIA
TOTAL POSTS: 29
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Re:


Can you make a summary of all the performance mods for MR20DE, Jalal ?

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Yoshio X-1787
2010 T31 Autech Manual Grey Metallic

23/Jan/2011, 3:02 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28956
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Re:


I am not familiar with the [sign in to see URL] engine at all, so I trust you can do your own research about it and share it with us emoticon

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23/Jan/2011, 5:41 pm Link to this post Send Private Message MSN Blog
 
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Date Registered: 01-2011
Location: INDONESIA
TOTAL POSTS: 29
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Re:


As far as I know, Turbo kit can be added to MR20DE engine.
Still searching another performance mods for MR20DE engine.

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Yoshio X-1787
2010 T31 Autech Manual Grey Metallic

23/Jan/2011, 11:59 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28956
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Re:


Yoshio,

Based on #MR20DE]THIS review article of the MR20DE engine, you are most likely to come across the full list of performance mods for it in the Qashqai and Sentra forums, as this engine is being used in these cars as well and I believe the Sentra guys would have already explored all of the available performance mods for it.

There are performance mods that can done to any NA engine (examples: CAI, exhaust [sign in to see URL]) without going the major router like turbo charging which will obviously impact on your warranty (if you're concerned about it at all)

Last edited by jalalski, 24/Jan/2011, 8:57 am


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24/Jan/2011, 8:56 am Link to this post Send Private Message MSN Blog
 


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