Chernmax Phase 4 begins
10-11-2010, 02:08 PM
#121
Senior Member
Join Date: Jul 2009
Posts: 424
i was research from your youtube, you was hit 13.52 w/ 5 psi of boost with BFGoodrich KDW. it sound great! also my bro have 05 maxima he ordered BFGoodrich KDW on last saturday. he love it! and which you use headlight from housing black paint or tint?
10-11-2010, 07:21 PM
#122
Nations 1st 6th Gen Turbo
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Location: Displaced New Yorker in Southern, MD
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10-11-2010, 10:36 PM
#124
Nations 1st 6th Gen Turbo
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Location: Displaced New Yorker in Southern, MD
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To Org members credit, tons of learning, idea's, help, concepts, research and development, lessons learned, by so many members to take a 6th Gen where she can go now! In 2003 the only mod available for the 6th Gen was WINDOW TINT!!! 
10-12-2010, 06:35 PM
#125
Senior Member
Join Date: May 2007
Location: FL
Posts: 361
Oh man, that's hilarious, that's the only mod I can afford!
10-13-2010, 07:34 AM
#128
And another revived old thread, at least this is a good one!!!!!
10-13-2010, 07:51 AM
#129
Nations 1st 6th Gen Turbo
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Not by me but proof of how far we've come. And you J have been a battle field commander on modding and improvements! I still remember when 6th Gens were hated by the 2-5.5 Gen owners and now we hear, I'm getting a 6th Gen! Life rolls forward!!!
10-25-2010, 02:03 PM
#132
Senior Member
Join Date: Jul 2009
Posts: 424
2. what is Valve Body mean?
3. for what about Valve Body have been upgrade?
10-25-2010, 06:15 PM
#133
Nations 1st 6th Gen Turbo
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Read this: http://www.aa1car.com/library/torque...erformance.htm
Transmission Torque Converter:
2. what is Valve Body mean?
Every transmission has a valve body which controls the porting of transmission fluids during shifts, etc. Transmission Valve Body:
3. for what about Valve Body have been upgrade?
Read: http://www.levelten.com/Level_10_Nis...a210-9000p.htm
10-26-2010, 11:07 AM
#134
Senior Member
Join Date: Jul 2009
Posts: 424
1. Torque Converter make more improve on accelerate and traction, et sec?
Read this: http://www.aa1car.com/library/torque...erformance.htm
Transmission Torque Converter:
2. what is Valve Body mean? Every transmission has a valve body which controls the porting of transmission fluids during shifts, etc.
Transmission Valve Body:
3. for what about Valve Body have been upgrade?
Read: http://www.levelten.com/Level_10_Nis...a210-9000p.htm
Read this: http://www.aa1car.com/library/torque...erformance.htm
Transmission Torque Converter:
2. what is Valve Body mean?
Every transmission has a valve body which controls the porting of transmission fluids during shifts, etc. Transmission Valve Body:
3. for what about Valve Body have been upgrade?
Read: http://www.levelten.com/Level_10_Nis...a210-9000p.htm
10-27-2010, 02:03 PM
#138
Nations 1st 6th Gen Turbo
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WOW my 10,000 POST!!!
Cleaning and changing the gears with a master rebuild kit! This is for the 2004 Tranny
If I had to do it over, I will use this, was not available when I did my rebuild!!!
http://www.levelten.com/Level_10_PTS...-g110-9000.htm
Cleaning and changing the gears with a master rebuild kit! This is for the 2004 Tranny
If I had to do it over, I will use this, was not available when I did my rebuild!!!
http://www.levelten.com/Level_10_PTS...-g110-9000.htm
10-27-2010, 02:36 PM
#139
Senior Member
Join Date: Jul 2009
Posts: 424
WOW my 10,000 POST!!!
Cleaning and changing the gears with a master rebuild kit! This is for the 2004 Tranny
If I had to do it over, I will use this, was not available when I did my rebuild!!!
http://www.levelten.com/Level_10_PTS...-g110-9000.htm
Cleaning and changing the gears with a master rebuild kit! This is for the 2004 Tranny
If I had to do it over, I will use this, was not available when I did my rebuild!!!
http://www.levelten.com/Level_10_PTS...-g110-9000.htm
10-27-2010, 03:43 PM
#141
Senior Member
Join Date: Jul 2009
Posts: 424
ok. your tranny is AW55-50SN (RE5F22A) is 5 spd auto right? so my maxima have one too but you said that its different of tranny, maybe code have been different?
10-27-2010, 03:47 PM
#142
Nations 1st 6th Gen Turbo
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The reason I say this is because I almost did a tranny swap first and had a great deal on an 05 tranny (5spd auto) with low miles only to find out they were not interchangable. The kit may work but there is a difference between an 04 and 05 tranny!
10-29-2010, 11:41 AM
#148
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Join Date: Jul 2009
Posts: 424
10-29-2010, 01:13 PM
#149
Nations 1st 6th Gen Turbo
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Join Date: May 2005
Location: Displaced New Yorker in Southern, MD
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Maybe it's driving, maybe it's mods, maybe it's a bad design, my problem is too much power for the tranny, overall the tranny is poorly designed for the power of the VQ Engine and that is why many people are having issues. Like yourself, some people have no problems, but when you look at the problem from a national scale, the failure rate is higher than normal and needs to be fixed by Nissan!
So what is your country of origin, I work with many foreign students and many times when they speak they put the subject first in a sentence (Example: Store I Go verse I go to the store). I also lived in Japan for 12 years and understand what it feels like when people thought I was stupid not understanding their language. So, what country are you originally from???
Last edited by chernmax; 10-29-2010 at 01:18 PM.
10-29-2010, 01:24 PM
#150
Senior Member
Join Date: Jul 2009
Posts: 424
Maybe it's driving, maybe it's mods, maybe it's a bad design, my problem is too much power for the tranny, overall the tranny is poorly designed for the power of the VQ Engine and that is why many people are having issues. Like yourself, some people have no problems, but when you look at the problem from a national scale, the failure rate is higher than normal and needs to be fixed by Nissan!
So what is your country of origin, I work with many foreign students and many times when they speak they put the subject first in a sentence (Example: Store I Go verse I go to the store). I also lived in Japan for 12 years and understand what it feels like when people thought I was stupid not understanding their language. So, what country are you originally from???
So what is your country of origin, I work with many foreign students and many times when they speak they put the subject first in a sentence (Example: Store I Go verse I go to the store). I also lived in Japan for 12 years and understand what it feels like when people thought I was stupid not understanding their language. So, what country are you originally from???
Last edited by MIKERNM1990; 10-29-2010 at 01:28 PM.
10-29-2010, 04:22 PM
#152
10-29-2010, 11:30 PM
#154
Junior Member
Join Date: Nov 2008
Location: Marietta, GA
Posts: 70
I understand most of what he is trying to say and I can understand how such a language barrier must be frustrating. Chern, you're a good man for having so much patience with one in need of assistance. Chern FTW
10-29-2010, 11:53 PM
#155
Senior Member
Join Date: Jul 2009
Posts: 424
Right there with ya brother...Jack neat. Water back. And a beer.
I understand most of what he is trying to say and I can understand how such a language barrier must be frustrating. Chern, you're a good man for having so much patience with one in need of assistance. Chern FTW
I understand most of what he is trying to say and I can understand how such a language barrier must be frustrating. Chern, you're a good man for having so much patience with one in need of assistance. Chern FTW
05-22-2017, 07:35 PM
#156
Newbie - Just Registered
Join Date: Sep 2014
Posts: 15
I know this thread is about 7 years old now, but I wonder how the op made out with his modded trans, and relatively high hp level now that the years have passed?
Also, I would like to know what his best track times were with higher boost.
I've finally finished my 05 Altima SER build, and I really had a time rebuilding my AW55 trans.
The main issue was the valve body. Spent a ton of money [all labor done by me, but I'm NOT a novice at this], one "Zip" shift kit from Sonnax, at around $300, and all new solenoids which were approx $500.
None of that worked. Trans still had issues, and after pulling it apart several times second guessing my work, I finally bought a new valve body for $1k, THAT fixed it, until the new torque convertor died.
Oh, and Makco transmission wouldn't refund, or replace the bad convertor as it was over a year old [probably less than ten miles on the damned thing].
Anyway, I rolled the dice, and bought a new TC from Autozone, and so far so good.
Also, I have found several things on the AW trans that can be improved if you want.
First the old fluid cooler is crap. I modded my Altima with an external cooler in front of the radiator, and an external filter so I can actually change the damned filter instead of having to rely on the internal factory filter [which is still there, but now I just change out the external filter so the internal filer "should" stay clean.].
Also, again speaking of the stupid factory cooler can. The factory setup has an aluminum valve setup that uses engine coolant to cool the trans fluid. This is stupid as it usually fails, and then you get antifreeze mixed in with the trans fluid, which kills the transmission.
Also, there is a tiny thermostat inside that coolant valve, almost exactly like the heater thermostat in the engine. Guess what happens if this thing fails? Yep, just like your engine thermostat, if it fails there will be NO COOLING your trans fluid.
So, one has to wonder how many of these transmissions have failed due to heat [which is the NUMBER 1 killer of transmissions].
Also the TC overdrive clutch is tiny, from what I've read, and is another weak point of the transmission.
So, IMO my car won't be modded for more hp than I've already added, and the engine is modded to the gills, or just about as far as I can without boost [forged internals, higher CR, cams, valve springs, ported heads, gutted intake mani, unrestricted headers, etc.]
I would recommend anyone wanted to take the VQ engine to the max to either buy a car with a manual trans, or buy a wrecked car with a manual setup, and swap it out. I would do this myself, but my wife drives this car so a manual trans is out.
Sorry for the long post, but there just isn't that much info on upping the performance/modding the AW55-51 transmissions.
Also, I would like to know what his best track times were with higher boost.
I've finally finished my 05 Altima SER build, and I really had a time rebuilding my AW55 trans.
The main issue was the valve body. Spent a ton of money [all labor done by me, but I'm NOT a novice at this], one "Zip" shift kit from Sonnax, at around $300, and all new solenoids which were approx $500.
None of that worked. Trans still had issues, and after pulling it apart several times second guessing my work, I finally bought a new valve body for $1k, THAT fixed it, until the new torque convertor died.
Oh, and Makco transmission wouldn't refund, or replace the bad convertor as it was over a year old [probably less than ten miles on the damned thing].
Anyway, I rolled the dice, and bought a new TC from Autozone, and so far so good.
Also, I have found several things on the AW trans that can be improved if you want.
First the old fluid cooler is crap. I modded my Altima with an external cooler in front of the radiator, and an external filter so I can actually change the damned filter instead of having to rely on the internal factory filter [which is still there, but now I just change out the external filter so the internal filer "should" stay clean.].
Also, again speaking of the stupid factory cooler can. The factory setup has an aluminum valve setup that uses engine coolant to cool the trans fluid. This is stupid as it usually fails, and then you get antifreeze mixed in with the trans fluid, which kills the transmission.
Also, there is a tiny thermostat inside that coolant valve, almost exactly like the heater thermostat in the engine. Guess what happens if this thing fails? Yep, just like your engine thermostat, if it fails there will be NO COOLING your trans fluid.
So, one has to wonder how many of these transmissions have failed due to heat [which is the NUMBER 1 killer of transmissions].
Also the TC overdrive clutch is tiny, from what I've read, and is another weak point of the transmission.
So, IMO my car won't be modded for more hp than I've already added, and the engine is modded to the gills, or just about as far as I can without boost [forged internals, higher CR, cams, valve springs, ported heads, gutted intake mani, unrestricted headers, etc.]
I would recommend anyone wanted to take the VQ engine to the max to either buy a car with a manual trans, or buy a wrecked car with a manual setup, and swap it out. I would do this myself, but my wife drives this car so a manual trans is out.
Sorry for the long post, but there just isn't that much info on upping the performance/modding the AW55-51 transmissions.
Last edited by M-train; 05-23-2017 at 09:45 AM.
05-23-2017, 09:50 AM
#157
Newbie - Just Registered
Join Date: Sep 2014
Posts: 15
Also, one last thing I found on this transmission.
Apparently, the torque convertor lockup is controlled somewhat by the brake pedal switch.
If the brake switch goes bad, it will also take out the convertor.
The transmission blog from which this came didn't specify what they were calling the brake pedal switch, so I'm not sure if its what us old mechanics called the stoplight switch [controls the brake lights], or what.
So a look at the wiring schematic would be in order, and IF it is the stoplight switch, an inexpensive part, it might be a good idea to carry a spare in the glove box.
Apparently, the torque convertor lockup is controlled somewhat by the brake pedal switch.
If the brake switch goes bad, it will also take out the convertor.
The transmission blog from which this came didn't specify what they were calling the brake pedal switch, so I'm not sure if its what us old mechanics called the stoplight switch [controls the brake lights], or what.
So a look at the wiring schematic would be in order, and IF it is the stoplight switch, an inexpensive part, it might be a good idea to carry a spare in the glove box.
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