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Audi R8 Coilpacks Installed on Nissan Maxima VQ35DE (Make your Own Plug-n-Play Connectors)

Member Credit: Nathan Davis

This write-up will help you make your own Audi R8 Coil Pack connectors. This version is very nice and clean. You can also hit up Nathan Davis on Facebook if you would like for him to make you a set.

Important Note: On the VQ35DE (2002-2008), you will need to use NWP Spacers for the Coil Packs to sit properly. The Gen2 VQ35DE (2009+) do not require spacers. You will also need the adapters to plug them in or make your own by splicing directly.

Audi R8 Coil Pack Connector 

Nissan Coil Pack Connector

Additional Items: 

  • 1” by 4” Heat Shrink
  • Terminal Crimpers
  • Heat Gun
  • Wire Strippers

Wiring Diagram

Connector Soldering 

Final Product

Installation Photos

Audi R8 Coil Pack Advantages:

  • 50,000 volts compared to Nissans/Infiniti 30,000 volts.
    • Some measure it with Kv so Nissans coils put out 21Kv while VW coils put out 30Kv
  • Quicker Heat dissipation. (Because of its metal body construction it can quickly dissipate heat. Nissan OEM body is made out of rubber that isolates heat instead of disperses it.)
  • More complete burn of the fuel mixture compared to OEM Nissan which equals to better MPG.
  • Idle Stability Improved
  • NO CEL (Check Engine Lights)
  • BEST PART ABOUT THEM IS THEY ARE CHEAPER $$$ than Nissan OEM yet they are much better.
  • Looks 10000% Cooler than OEM Coilpacks

Now the coil packs price varies due to different name brands. They range from $132-$216 for a V6 engine. Below is the link of the coil packs below so you can see the prices and brands. Doesn’t matter which brand you use. They all make the same exact power.

Order Link: https://www.nedautoparts.com/search?q=Audi+coilpack

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my7thgen 09-15

Kyle Hitchcock’s 2017 Modded 7GM SV

Owner: Kyle Hitchcock

Year: 2013
Make/Model: Nissan Maxima (7GM)
Trim: SV
Color: Silver (K23)

After seeing many cars in the Facebook Maxima group, and some in person at shows, influenced me to doing many things I did to my Maxima. I did a little different styling to the things I did whenever I could to make the mods I did a little different than others, like the molding of body parts, and custom paint theme.

The reason I got the car was because I really liked the lines of the car, and the rear with the spoiler when I saw it at the dealer. The OEM wheels style also made me like it. I am even in more love with it now after the things I have changed and added to it. It has a nice sporty/mean clean look to it.

The first things that I did to my maxima is what got me started on it, and just went from there to make it the way I wanted it to look.  I had the Stillen Front lip for the Maxima molded to my OEM bumper, to make it seamless, and a clean look as one piece. While that was being done I also had my headlights modified for the first time to add a high beam retrofit, change OEM HID lenses, demon eyes, halos, and paint the inner shrouds silver.

I did the molding of the lip to the bumper because I saw other Maxima’s with the lip screwed into the bumper edge and being held on with 3M tape. You could see gaps, and the screws. It wasn’t as seamless and smooth as I would like, so I decided to look into getting it molded. I found a awesome body shop that could do what I wanted. Precision Collision Center in Rockville, MD. They did it, and made it even better than I expected it to turn out. It turned out so smooth, very clean, and looks sporty, but also like it was made that way from factory. After they did the front lip, I had them mold the rear diffuser into the rear bumper a Month after they did the front lip.

I did my headlights because I liked the halos I saw on others, and I wanted a sporty look to them. I wanted to improve the OEM HID Low beam light output and have a brighter high beam output, so I had the high beam retrofitted to be a HID.  I wanted to get rid of the chrome look in them, so I had the inner shroud painted silver.

It went from there with the things I have done. I have done all this in 3 years of ownership. I have changed and added many things since the first mods 3 years ago. I have some things I’d like to still do to it. I really enjoy driving the car and enjoying the things I have added and upgraded to the car.

Mod List:

Exterior

  • Rohana RC9 Wheels. 20 x 10. From Impulse Automotive. Michelin Pilot Sport AS/3 Plus Tires. Install completed by APAC
  • Stillen front bumper lip custom molded into the OEM front bumper and custom painted. Completed by Precision Collision Center
  • Stillen front splitter custom attached under molded lip. Custom painted gunmetal. Completed by Precision Collision Center
  • Stillen rear bumper diffuser custom molded into the OEM rear bumper and custom gunmetal painted. Completed by Precision Collision Center
  • Stillen side skirts, custom fitted/installed, and painted. Completed by Precision Collision Center
  • Roof and mirror covers custom painted gunmetal. Chrome trim painted black. Door handles painted silver. Completed by Precision Collision Center
  • Black vinyl wrapped window trim, Rear spoiler brake light tinted, mirror turn signals tinted, underside of spoiler vinyl wrapped with Pearl Nero Grey.
    Completed by Exotic Vehicle Wraps.
  • Clear Bra full front end, roof, and rear bumper ledge. Completed by Exotic Vehicle Wraps.

Headlights

  • Quad Halos with remote control with triple function (Solid, Strobe, Heartbeat), Orange quad demon eyes with remote control triple functions, Morimoto mini H1 high beam projector retrofit, Morimoto threeFIVE HID ballast and HID kit for the high beam projector, Morrimoto XB35 HID high beam bulbs, Osram CBI 5k HID low beam bulbs, BMW E30 Clear lens. Inner housing painted Gunmetal, Outer housing smoked sport Maxima
    black trim. Custom Qblock sequential turn signal with show pattern. Morimoto 5k LED fog lights. Work completed by JP Customs 901

Taillights

  • Ghozt sequential tail setup. Turn signal and brake lights sequential pattern. Custom show mode. Turn signal area is converted to a strobe light. Turn signal area is painted gunmetal. Work completed by JP Customs 901

Interior

  • Custom trunk display setup for air and audio. Completed by Absolute Electronix
  • 10% HP Supreme Solar Guard tint. Completed by Cutting Edge Tint.
  • VLED 5k LED bulbs entire interior, LED trunk lighting.
  • VLED 5K rear backup LED. VLED 5k License plate LED.
  • Custom modified push start button with Red (Lock), Amber (ACC), Green (ON), White (Start/Stop). Completed by Ghozt Lighting.

Suspension

  • Air Force A35 Bagged coilover system, with Air Lift 3P air management.
  • Stillen rear sway bar.
  • Stillen front strut bar. Custom powder coated Vermillion.

Performance

  • Motordyne G7 Shockwave cat back exhaust. Install completed by Baker Performance.
  • Motordyne G7 ART Y-pipe. Install completed by Baker Performance.
  • Stillen air intake
  • CXJ performance phenolic spacers
  • Stillen underdrive lightweight pulley.
  • Nissan 370z Akebono big brake kit with custom vermillion powder coat. Completed by Custom Functionz

Audio

  • Custom audio install completed by Absolute Electronix
  • Illusion Audio Carbon C6 door speakers.
  • Illusion Audio Carbon C10 XL subwoofer with custom subwoofer box.
  • Zed Audio Leviathan 6 channel Amplifier.
  • Mosconi Audio Processor.

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Tuning

How to Tune your Nissan/Infiniti ECU using Rom Raider and Nisprog/Kern (for only $10)

Member Credit: Matt Riney

For all you hardcore Nissan/Infiniti enthusiasts, there is finally an open-source solution that allows you to modify and flash ECUs! With a $10 VAG-KKL cable, you can basically flash your own ECU and tune it your to personal comfortable without breaking your wallet. The average tune costs roughly $600+ these days. Since you’re modifying the ROM yourself, there’s no vendor lock-in and you are free to do what you need and want. Great for those who have knowledge of tuning and want to tune their own vehicles!

Applicable Vehicles: 

  • 2000-2001 5thgen Nissan Maxima
  • 2003-2003 5.5gen Nissan Maxima
  • 2004-2008 6thgen Maxima
  • 2009 7thgen Maxima
  • 2002-2004 Nissan Altima
  • 2005-2006 Nissan Altima SE-R
  • 2003 Infiniti G35
  • And various others……

Links to Tool/Software that you will need (Click links to Download):

Below are helpful videos on installing and running Rom Raider, along with dumping a Nissan SH7055 ECU with the Nisprog/Npkern software.

  • Kernel 7055_35 is used by the early ecus 2002 & 2003 Maxima (and 2004 in most cases).
  • Kernel 7058 is used for 05+ Maxima
  • It’s all based on the ROM size. If the ROM size is 512K then  you should use the 7055_35 kernel. If the ROM size is 1024K then you use the 7058 kernel.

Cars Tuned on ROMRaider / Nisprog

5.5 Gen Maxima Tuned by AdminTuning VQ35 Bolt Ons

Shaquille Jenkins 5.5 Gen Maxima Gen2 VQ35DE

Trevon Walters 4thgen Maxima Hits 11.77 (All Motor) Gen2 VQ35DE

Which ECUs Will This Work On?

Most gasoline Nissan / Infiniti ECUs from ~ 2002 onwards share very similar ECU hardware, based on SuperH microcontrollers manufactured by Renesas (previously Hitachi). This project supports ECUs that use the OBD-II “K line” signal for diagnostics communications.

How Does the Reflash Process Work?

The process is carried out entirely over the OBD-II “K Line” serial communications link through an undocumented set of manufacturer-defined extensions to the standard ISO14230 protocol. Recently, the necessary commands have been reverse-engineered revealing the required steps:

  1. Establish connection to the ECU.
  2. Send the first stage data payload: this is the “kernel”, a simple program that will receive commands and data for the reflash.
  3. Make the ECU run the kernel. From this point on, the kernel runs from RAM and effectively takes control of the whole ECU.
  4. Send the reflash commands and new firmware data to the kernel.
  5. Reset the ECU: the new firmware will now be executed, and the kernel will be completely removed.

Kernel Features

The basic kernel is an implementation of an ISO14230-compliant protocol with extensions. It implements the following requests:

  • Fast ROM dump (tested up to 5.4 kB/s; typical speed is ~100 B/s without a kernel)
  • Read ROM/RAM/external EEPROM
  • Write to RAM
  • Erase flash ROM block
  • Write flash ROM block

Requirements

The basic reflashing kernel will support gasoline ECUs with:

  • SH7055 or SH7058, 0.18um microcontrollers (the most common types)
  • K line wired to the OBD-II connector pin 7
  • Unfortunately CAN-only ECUs are not currently supported.

Host computer:

  • OS: Linux and Windows are known to work; Nisprog is based on freediag source code which is cross-platform and should run on most Linux/UNIX flavors.
  • Connectivity: a simple USB-OBD adapter is required. These are the “Generic dumb serial adaptors” described in the freediag docs.

OBD2 KKL VAG-COM 409.1 USB Cable

Limitations

There are several important points to be aware of when using Nisprog:

  • The ECU is a safety-critical system in a car. Reflashing an ECU can void warranties, reduce the vehicle’s reliability, and cause a whole variety of undesirable consequences. Use of this project and any associated tools (freediag, Nisprog, etc) is of course entirely at the user’s risk. Standard disclaimers apply.
  • Reflashing an ECU may be illegal in some areas. Responsibility in this matter lies again with the user.
  • Diesel ECUs are not supported, they are entirely different.
  • Tuning and modifying ROMs are complex skills that can only be acquired through significant investments of time and effort!

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my7thgen 09-15

200-2014 7thgen Nissan Maxima Tensioner Pulley for Drive Belt 11955-JA10D / 11955-JA10C

Credit: Eddy

Recently, the belt tensioner on my 2009 Nissan Maxima had seized. I was getting a slight noise from the belt and I decided to swap the belt. When trying to swap the belt, I couldn’t really move the pulley to take the belt off. If you have a 2009-2014 Maxima, you need to make sure you get the right one. The first one I ordered was incorrect and use for 2016+ Nissan Maximas. The one you need is 11955-JA10D or 11955-JA10C (same part).

Incorrect One for 2009-2014

 

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my7thgen 09-15

2009-2015 7thgen Nissan Maxima with 370z/G37 Akebono Big Brake Kit Setup

Credit: Candelario Amaya

Calipers Order Link ($415.00): https://www.ebay.com/itm/4x-Brake-Caliper-for-Nissan-370Z-Infiniti-FX50-G37-M37-Front-Rear-Left-Right/174339706919

Rotors/Pads Order Link ($469.00): http://www.88rotors.com/brakes/platinum-series-brake-kits-1/370zakebono-bpsstoptech.html?fbclid=IwAR3C-8-ynxEY7BD71koGwi_tMoisCEjcAZf1-MWonoHJIjpSryJa5iqPJSM

Setup Photos

 

 

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my7thgen 09-15

7thgen & 8thgen Nissan Maxima Shockwave Motordyne Exhaust

Introducing The Nissan Maxima 7GM/8GM Shockwave Tuned Helmholtz Exhaust System. This exhaust works on both 7thgens (2009-2015) and 8thgens (2016 to Present).

Full Exhaust Price: $1,429.00
ART Y-Pipe Price: $592.00

Order Link: https://motordyneengineering.com/product-category/nissan-maxima/nissan-maxima-exhaust/

A high quality build, completely polished, TIG welded Stainless Steel 304 tubing with a 2.5″ inlet and dual 3″ outlets utilizing carefully tuned Helmholtz resonators for precise sound control. This high performance system provides a bright and deep warble with high detail in the exhaust note. At idle and cruising speed the sound level is clean and moderate but when you step on it and bring it up to high RPM it really earns its name the Shockwave.

The uniquely shaped midpipe muffler allows for gradual wave expansion into the sound dampening fiberglass for greatly reduced drone and rasp. The midpipe muffler uses 3 stages of high, mid and low frequency sound attenuation. The first stage of the is 3.5″ diameter and it works like a small glass packed resonator. A small resonator is effective at reducing the high frequency content of rasp while a large muffler is better at lower frequencies. The 3.5″ section then expands to a 5″ diameter glass packed resonator where the sound then expands to a thicker layer of fiberglass for midrange sound attenuation. The back end of the midpipe muffler is leads into an axially aligned protruding annular orifice that gives the equivalent of a 8″ diameter. The total sound reduction is performed in three stages of high, mid and low frequencies for broad band sound reduction. Smooth deep sound with pure straight through flow. The flow is then divided into a dual 3″ axle-back section that uses 2 large Helmholtz side-branch resonators for sound control. Combined with the ART y-pipe the result is straight through flow with deep sound, no drone and no rasp.

Sound Clips:

 

 

 

 

 

 

 

 

 

Photo Gallery:

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allGens

How to Fix P0420/P0430 CEL Codes on Nissan Maxima (using Spacers/Non-Foulers on O2 Sensors)

If you are reading this article, you are very likely trying to resolve P0420/P0430 without having to spend a lot of money on the issue. Most of the time, the codes are due to a bad clogged catalytic converter or bad O2 sensors. Before replacing the O2 sensor, be sure to do the spacer fix modification first because O2 sensors are not cheap.

There aren’t usually any drivability issues associated with these codes. For most people, the first sign that anything is wrong at all is the check engine light. Below are the typical check engine lights you would normally get:

  • P0420 NISSAN – Catalyst System Efficiency Below Threshold Bank 1
  • P0430 NISSAN – Catalyst System Efficiency Below Threshold Bank 2

The Fix

You can eliminate the codes by using a spark plug non-fouler which tricks your engine computer to think that everything is working fine. This simple trick will pull the O2 sensor away from the exhaust flow and the computer will think the Catalytic converter is working properly. This will work if you remove the catalytic converter or have a bad cat. It’s very simple and cheap to do. Below is a video on how to perform the fix:

You can also buy them pre-made on eBay if you do not want to drill.

 

Make Your Own Spacers/Foulers

You can buy these non-fouler spacers at your local parts store. You can get them from Advanced Auto or Autozone for about $7-8 bucks.

You now need to drill out 1 of the non-foulers using a 1/2″ drill bit. When finished this is what it will look like.

O2 Sensor inserted in the modified non-fouler

Second, unmodified non-fouler now installed on modified non-fouler, then threaded into the pipe

Reference Photos

Below are photos of the spacers installed and 100% working on Nissan Maximas by generation. After installing the spacers, the CEL codes went away.

5thgen Nissan Maxima

6thgen Nissan Maxima

7thgen Nissan Maxima

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