6th Generation Maxima (2004-2008) Discussion of the 6th generation Maxima. Come see what others are saying.

Intake Manifold Mod, SSIM

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Old Oct 31, 2006 | 09:30 PM
  #1  
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Intake Manifold Mod, SSIM

So I asked around the engine forum about what the Secret Sauce IM was. Anywhoo, bunch of terds over there, ended up laughing at me and one arsehole was even willing to sell me the mod for like $200-$300.

Fukem, here is all they do to modify the Intake for more power.

post #1161...give it a shot...it made my car AMAZING on top-end...I personally don't have a dyno...but I can tell you, the butt dyno tells me the top end is AMAZING....also tuning to a certain AFR is SUPER DUPER easy...the IM becomes non-varibale...so theres no more VIAS dip, spike which makes tuning a breeze....my AFR is nearly flat at 13....power is absolutely amazing...low-end tq is compromised, but i got use to it within a week worth of driving
http://www.nissanclub.com/forums/eng...nifold-78.html

Thats what the dude JIME did to clone the SSV.

Basicaly you loose lowe end torque but you gain a hellalot 3500rpm and up. For the 2 weeks I spent in the egnine forum trying to get info about this........... and I got dissed and laughed at.. goes to show you how mature some of the punks around the forum are.

Anywhoo,

Enjoy guys.

Kam
Old Oct 31, 2006 | 09:35 PM
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the reason why they get mad when people mention that subject is because if some people would just take the time to figure it out themselves, they could. I mean, honestly, if you take off your upper IM (takes common sense...unbolt whatever you see attached to the car and lift...) you will have such a much better understanding of how it works. And once you do that, it's EASY to figure out what needs to be done. I knew what that thread shows without having to be spoonfed and if people weren't lazy, they could too....just my .02

I'm going to do this mod, but I think I'm going to get a second upper IM so that I can have my low end torque when I feel like it...
Old Oct 31, 2006 | 09:58 PM
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K, HERE IS HOW IT WORKS.

Someone asks a question.....

the polite thing to do.......

is to answear it truthfuly and honestly, not burn the person or make fun of them. You know thats the attitude I see grade 5 kids exhibiting. Time for maturity to kick in with some of those peeps.

Kam
Old Oct 31, 2006 | 10:10 PM
  #4  
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Good luck with the mod, keep us updated. BTW, I cannot find the thread where you asked for help? Link?
Old Oct 31, 2006 | 10:14 PM
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Originally Posted by n3985
Good luck with the mod, keep us updated. BTW, I cannot find the thread where you asked for help? Link?
Was a post within a thread, dunno what the name of the thread was but I'd rather forget it ever happened.

Kam
Old Oct 31, 2006 | 10:17 PM
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Originally Posted by kamilkluczewski
K, HERE IS HOW IT WORKS.

Someone asks a question.....

the polite thing to do.......

is to answear it truthfuly and honestly, not burn the person or make fun of them. You know thats the attitude I see grade 5 kids exhibiting. Time for maturity to kick in with some of those peeps.

Kam
welcome to maxima.org....




food for thought: don't get bent...it's the internet
Old Oct 31, 2006 | 10:21 PM
  #7  
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Originally Posted by LA02MAX
welcome to maxima.org....
food for thought: don't get bent...it's the internet
Gots to take my unbending pills.

Peace for tonight,

Kamski
Old Nov 1, 2006 | 12:50 AM
  #8  
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This may be a nice, cheap, easy upgrade. I'm going to look into this more when I return from out-of-town.
Old Nov 1, 2006 | 04:27 AM
  #9  
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Kam,

This is not uncommon! I agree with you.

I am a woman doing her best to learn about my car and mods for it. I asked in another thread about HLSD, and was treated kindly. I was even given links to explain transaxle differences.

There is NO reason to treat another individual like that. You weren't off base.

And just for giggles, lets say I have no clue what an IM cover is, I would then be unable to figure out what is 'good common sense' regarding their mod. So maybe it's easy for them, responses like that are arrogant and at one point, someone had to show them!!!!

Golden Rule My Friends!

Swee
Old Nov 1, 2006 | 06:39 AM
  #10  
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Originally Posted by LA02MAX
the reason why they get mad when people mention that subject is because if some people would just take the time to figure it out themselves, they could. I mean, honestly, if you take off your upper IM (takes common sense...unbolt whatever you see attached to the car and lift...) you will have such a much better understanding of how it works. And once you do that, it's EASY to figure out what needs to be done. I knew what that thread shows without having to be spoonfed and if people weren't lazy, they could too....just my .02

I'm going to do this mod, but I think I'm going to get a second upper IM so that I can have my low end torque when I feel like it...
Ive known about this mod for a couple years. Also, it really wasnt that hard to figure out. I told people MANY times in these forums to venture out of them and just open your eyes and u could find answers but everyone wants things given to them.
Old Nov 1, 2006 | 06:43 AM
  #11  
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Like others said, keep us updated and tell us if this is a worthy mod after time and labor.
Old Nov 1, 2006 | 08:42 AM
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Originally Posted by !PrjctMax!
Like others said, keep us updated and tell us if this is a worthy mod after time and labor.
why wouldnt it be a worthy mod? I guess the numerous dynos and 1/4 times arent enough proof.
Old Nov 1, 2006 | 08:51 AM
  #13  
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Originally Posted by 4MySwee
Kam,

This is not uncommon! I agree with you.

I am a woman doing her best to learn about my car and mods for it. I asked in another thread about HLSD, and was treated kindly. I was even given links to explain transaxle differences.

There is NO reason to treat another individual like that. You weren't off base.

And just for giggles, lets say I have no clue what an IM cover is, I would then be unable to figure out what is 'good common sense' regarding their mod. So maybe it's easy for them, responses like that are arrogant and at one point, someone had to show them!!!!

Golden Rule My Friends!

Swee
Well Put Swee & Kam!
Old Nov 1, 2006 | 10:22 AM
  #14  
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When I get my hands on a spare from the wreckers (havent found one yet) I will dremel the crap out of it and remove all internal organs from the Intake Manifold Runners. It will be just that, a straight manifold like I had on my old Oldsmobile.

Anywhoo, I will take step by step pics and create a nice and easy do it your self instructions or sticky. The differenece.... I wont be a fukin prik about it when people ask me questions.

Cheerio!!

Kam
Old Nov 1, 2006 | 10:39 AM
  #15  
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So how did u come upon the answer?
Old Nov 1, 2006 | 11:15 AM
  #16  
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Originally Posted by Glude
So how did u come upon the answer?
I was looking over nissanclub forums and there was a guy there who is testing the Kintix manifold, anywhoo, someone else stated that a user there "JIME" cloned the SSIM manifold or something along those lines and referenced another post. I went into that thread and post 1161 on page 78 had the pics and stuff.....

A bdit, abdit, abdit, abdddiittttthats alll folks!!

Kamski
Old Nov 1, 2006 | 11:24 AM
  #17  
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Originally Posted by kamilkluczewski
I was looking over nissanclub forums and there was a guy there who is testing the Kintix manifold, anywhoo, someone else stated that a user there "JIME" cloned the SSIM manifold or something along those lines and referenced another post. I went into that thread and post 1161 on page 78 had the pics and stuff.....

A bdit, abdit, abdit, abdddiittttthats alll folks!!

Kamski
That info has prolly been there over a year. You see though, u SEARCHED. People on this forum can be harsh but their intentions are just to get peoples heads outa their asses. For the longest time this mod was an extreme secret, only a couple people knew it. Then maybe a year or 2 ago people started figuring it out on their own. Thats why so many people wont tell u, because they had the learn it for themselves. anyways, good luck with finding an IM and the write up.
Old Nov 1, 2006 | 11:30 AM
  #18  
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Okay, I’ll play devil’s advocate on this one and question if this modification is really worth the effort. Let me qualify this by stating that my concerns regard everyday driving.

Please correct me if I am wrong, but isn’t that aluminum wall and butterfly valve part of our intake manifold’s variable induction system? It was my understanding that our intake manifold contains two tracks per cylinder. At low rpms, air flows through only one track. The benefit to our engine is that it creates a high intake velocity at low rpms which contributes to a much better burn inside the cylinder at low rpms. When the rpms get higher, the second track opens and supplies more air, thereby allowing the engine to breathe better at high rpms.

If you eliminate that wall and butterfly valve in the manifold, doesn’t it mean that the manifold would use both tracks all the time? If so, my concern is that the intake velocity at low rpms will be too low and severely reduce torque, particularly from 1,500 rpms to 3,000 rpms.

Do you really know how much this will hurt low end performance? It seems very risky to cut into your intake manifold only to find out later that you didn’t have all the facts. I don’t know about you, but I spend the majority of my time with the engine below 3000 rpms. When I step on it, I redline it, but how many times a day is that, 4 or 5? Are those few seconds of extra high end power above 5,000 rpms worth the hours of potentially crappy response in normal driving situations? My other concern is that it may hurt fuel mileage. Intake velocity at low rpms is has a huge impact on how an engine operates.

To me it seems like this is a modification for a dedicated race car, not a daily driver. Just food for thought.
Old Nov 1, 2006 | 08:52 PM
  #19  
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YA BABY. Good find Kam. That butterfly has been bugging me for a while.

The mod is probably real good for top-end gains. Read up on the old Edelbrock torker intakes. On some, the divider is cut back about 3/4 in. On others they are removed. The lower the divider, the higher the rpm range, but the more low end torque is lost. Most have dual plane, large plenums like the VQ.

True: loss of torque = loss of engine efficiency = lower gas mileage.

The top plenum opening looks larger than the bottom?? If you turn those runners into a mirror finish and smooth out everything in the plenum, the top-end gains are probably worth the trouble. Based on what Edelbrock does, I would only grind 3/4 " of the divider on the lower part. Not sure about the upper part of the IM. I would have to see it up close. Removing the whole divider could be a bottom end killer. A fun winter project.
Old Nov 1, 2006 | 09:27 PM
  #20  
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Originally Posted by MDS
Okay, I’ll play devil’s advocate on this one and question if this modification is really worth the effort. Let me qualify this by stating that my concerns regard everyday driving.

Please correct me if I am wrong, but isn’t that aluminum wall and butterfly valve part of our intake manifold’s variable induction system? It was my understanding that our intake manifold contains two tracks per cylinder. At low rpms, air flows through only one track. The benefit to our engine is that it creates a high intake velocity at low rpms which contributes to a much better burn inside the cylinder at low rpms. When the rpms get higher, the second track opens and supplies more air, thereby allowing the engine to breathe better at high rpms.

If you eliminate that wall and butterfly valve in the manifold, doesn’t it mean that the manifold would use both tracks all the time? If so, my concern is that the intake velocity at low rpms will be too low and severely reduce torque, particularly from 1,500 rpms to 3,000 rpms.

Do you really know how much this will hurt low end performance? It seems very risky to cut into your intake manifold only to find out later that you didn’t have all the facts. I don’t know about you, but I spend the majority of my time with the engine below 3000 rpms. When I step on it, I redline it, but how many times a day is that, 4 or 5? Are those few seconds of extra high end power above 5,000 rpms worth the hours of potentially crappy response in normal driving situations? My other concern is that it may hurt fuel mileage. Intake velocity at low rpms is has a huge impact on how an engine operates.

To me it seems like this is a modification for a dedicated race car, not a daily driver. Just food for thought.
Yes, since our intake manifolds are not "TRUE" variable IM's (we don't have a set of long and short runners) we have a valve that closes off at higher RPMs, causing the runners to be shorter, pushing faster moving air for better combustion.

Doing this mod WILL remove the Variable manifold making the runners very short, which is good for high RPM breathing but not so good for the low end. Since VQ35's have SO much low-end torque, after about a week you won't even notice it...I'm waiting until I can afford to get an extra upper IM just in case I happen to not like it, but I doubt that's going to happen, as our engines will still run very efficiently, and they absolutely scream on the highway due to the increased air volume...
Old Nov 2, 2006 | 05:05 AM
  #21  
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I was looking into this but not so sure it's worth the effort, since Jime did a 12.4 on the 1/4 mile anyway with stock IM, butterfly valve intact. He mentioned trapping slower time but that's about it.
http://forums.maxima.org/showthread.php?t=495197
Old Nov 2, 2006 | 10:58 AM
  #22  
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yea same here my knowlegde is more on audi's so when i ask a question here its pretty much totally ignored. but the point of the forum is to discuss and teach correct? or is this a buying and selling place cuz I think theres another one of those, its called ebay
Old Nov 2, 2006 | 12:17 PM
  #23  
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Originally Posted by I VIK I
yea same here my knowlegde is more on audi's so when i ask a question here its pretty much totally ignored. but the point of the forum is to discuss and teach correct? or is this a buying and selling place cuz I think theres another one of those, its called ebay
Exactly!!!! your right on point!!

Kam
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