Custom intake manifold thread. Build, dyno gains.
11-05-2011, 11:12 AM
#201
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Sorry guys I'm going to be making this out of Aluminum. Not only is it more fun for me, but it will be more pretty for you guys. You can always have it coated to reject heat!
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
Going to have options for elbow in 3", 3.25", 3.5". For TB, you can send me any aluminum TB plate and I'll use that, or I will try to offer stock 5.5, stock 4th, and PFTB plates.
The runners will have beveled velocity stacks inside the IM, since this improves performance of intake manifolds tremendously. I should also have 2" or so of play with runner length, to give you a choice of more topend, or more low/midrange.
With a plain, single-piece plastic IM, there would be no way to give these options.
This will be a side feed intake manifold so that we have room for enough volume, custom runners, and 3.5" elbows without hitting the firewall. Thankfully I'm well versed in the math needed to make these flow evenly!
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
Going to have options for elbow in 3", 3.25", 3.5". For TB, you can send me any aluminum TB plate and I'll use that, or I will try to offer stock 5.5, stock 4th, and PFTB plates.
The runners will have beveled velocity stacks inside the IM, since this improves performance of intake manifolds tremendously. I should also have 2" or so of play with runner length, to give you a choice of more topend, or more low/midrange.
With a plain, single-piece plastic IM, there would be no way to give these options.
This will be a side feed intake manifold so that we have room for enough volume, custom runners, and 3.5" elbows without hitting the firewall. Thankfully I'm well versed in the math needed to make these flow evenly!
11-05-2011, 11:59 AM
#202
Sorry guys I'm going to be making this out of Aluminum. Not only is it more fun for me, but it will be more pretty for you guys. You can always have it coated to reject heat!
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
11-09-2011, 11:12 AM
#203
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Join Date: Nov 2011
Posts: 48
Sorry guys I'm going to be making this out of Aluminum. Not only is it more fun for me, but it will be more pretty for you guys. You can always have it coated to reject heat!
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
Going to have options for elbow in 3", 3.25", 3.5". For TB, you can send me any aluminum TB plate and I'll use that, or I will try to offer stock 5.5, stock 4th, and PFTB plates.
The runners will have beveled velocity stacks inside the IM, since this improves performance of intake manifolds tremendously. I should also have 2" or so of play with runner length, to give you a choice of more topend, or more low/midrange.
With a plain, single-piece plastic IM, there would be no way to give these options.
This will be a side feed intake manifold so that we have room for enough volume, custom runners, and 3.5" elbows without hitting the firewall. Thankfully I'm well versed in the math needed to make these flow evenly!
The whole plastic thing will be complicated and I'll have to source out the work . Plus, I won't be able to have a huge set of custom options like I can with the aluminum version.
Going to have options for elbow in 3", 3.25", 3.5". For TB, you can send me any aluminum TB plate and I'll use that, or I will try to offer stock 5.5, stock 4th, and PFTB plates.
The runners will have beveled velocity stacks inside the IM, since this improves performance of intake manifolds tremendously. I should also have 2" or so of play with runner length, to give you a choice of more topend, or more low/midrange.
With a plain, single-piece plastic IM, there would be no way to give these options.
This will be a side feed intake manifold so that we have room for enough volume, custom runners, and 3.5" elbows without hitting the firewall. Thankfully I'm well versed in the math needed to make these flow evenly!
So you could offer this custom manifold with the ability to mount a 90mm drive by wire throttle body on it?
Does anyone have a link to a 90mm dbw throttle body? Everything I find online looks like junk.
edit: Any more info on the 300+whp Altima? I would def go with the 2'' shorter runners. I wonder how much of a difference it would make...Any Idea of the possible cost of these custom IM and their tentative availability?
Last edited by NYCBL00D; 11-09-2011 at 11:25 AM.
11-09-2011, 12:21 PM
#204
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So you could offer this custom manifold with the ability to mount a 90mm drive by wire throttle body on it?
Does anyone have a link to a 90mm dbw throttle body? Everything I find online looks like junk.
edit: Any more info on the 300+whp Altima? I would def go with the 2'' shorter runners. I wonder how much of a difference it would make...Any Idea of the possible cost of these custom IM and their tentative availability?
Does anyone have a link to a 90mm dbw throttle body? Everything I find online looks like junk.
edit: Any more info on the 300+whp Altima? I would def go with the 2'' shorter runners. I wonder how much of a difference it would make...Any Idea of the possible cost of these custom IM and their tentative availability?
I believe the price of this IM will be between 1000-1100 before shipping, possibly a little more or a little less depending on custom options.
Going to start building the first one in a couple of weeks. At that point I will post up a thread to gauge interest and try to get a list/timeline together.
11-10-2011, 07:26 AM
#205
I believe the price of this IM will be between 1000-1100 before shipping, possibly a little more or a little less depending on custom options.
Going to start building the first one in a couple of weeks. At that point I will post up a thread to gauge interest and try to get a list/timeline together.
Going to start building the first one in a couple of weeks. At that point I will post up a thread to gauge interest and try to get a list/timeline together.
11-14-2011, 07:29 PM
#207
You can use one of three throttle bodies as i see it.Stock 70mm, the 2k7 tb at 75mm, or The 90mm LS2 throttle body. Any of these will be a plug and play into the 6 wire prong that you have in your car, just do a little splicing, or get at Darren (Surratt)
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
11-15-2011, 10:46 AM
#209
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Join Date: Nov 2011
Posts: 48
You can use one of three throttle bodies as i see it.Stock 70mm, the 2k7 tb at 75mm, or The 90mm LS2 throttle body. Any of these will be a plug and play into the 6 wire prong that you have in your car, just do a little splicing, or get at Darren (Surratt)
90mm GM throttle body that is made by Hitachi (same manufacturer for the Z/G TB). It uses the exact same actuator and sensors, so the opperation is the same, just with more surface area. <--neat!
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
90mm GM throttle body that is made by Hitachi (same manufacturer for the Z/G TB). It uses the exact same actuator and sensors, so the opperation is the same, just with more surface area. <--neat!
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
If that is the case I can't see why to go with anything but the 90MM TB, it is only like $100 bucks online. That is assuming it will idle ok...Hopefully an AFC can fix any idle issues. Otherwise I guess you would need a stand alone...
11-15-2011, 11:14 AM
#210
GM or Nissan part?
You can use one of three throttle bodies as i see it.Stock 70mm, the 2k7 tb at 75mm, or The 90mm LS2 throttle body. Any of these will be a plug and play into the 6 wire prong that you have in your car, just do a little splicing, or get at Darren (Surratt)
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
The 90mm throttle body is GM part number 12602800
The pigtail that you will need to adapt the harness is 88988106
11-15-2011, 01:08 PM
#211
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We're probably looking at early December for the first one to go out. After that, it's just going to depend on how fast I can make production time.
11-18-2011, 02:00 AM
#213
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11-18-2011, 02:15 AM
#214
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Here's a quick rough sketch in paint of the basic shape... Best I can do for the moment.
Last edited by sparks03max; 11-18-2011 at 02:34 AM.
01-16-2012, 10:52 AM
#218
That's the craziest thing i've ever seen. I would never think that someone would want to think outside the box and create their own IM. Gotta rate you for that man. Question, how much time and money did you put into it? and theoredically speaking. If someone wanted you to custom build them one how much would you charge?
01-16-2012, 11:07 AM
#219
That's the craziest thing i've ever seen. I would never think that someone would want to think outside the box and create their own IM. Gotta rate you for that man. Question, how much time and money did you put into it? and theoredically speaking. If someone wanted you to custom build them one how much would you charge?
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