Extrudabody ITBs with pictures
The shower setup was done for Bosch for a demo car of theirs that was shown at SEMA. The picture just was used as evidence that we can still use a bone stock fuel rail and injectors though
other than looking cool, is there any advantage to having a "shower" injector setup? i was under the impression that the closer the injecter is to the combustion chamber the better
Registered User
Joined: Jun 2003
Posts: 97
Likes: 0
From: florida
Hey Adam, I didn't know that you where working with Extrudabody on these. Did you guys finally get them to work? The guy that first bought these still hasn't got his car up and running, so I was just wondering if you had done any testing with them yet? When Mack first tried this design 5 years ago it was decided that they where not efficient and did not make enough power. Some of the problems that arose where the oil filler cap , injector location, airbox design, but as you know we are still working on that as well, linkage,dipstick location, and it lost power after 6200 rpm. Since it didn't make power after that, and most of the built vq's are pulling beyond 8000 rpm the design was scraped. The plus's where good power and torque in the low end due to the runner lenght, they looked good,no hood restictions. The price would have been good as well,around $2500.00
Last edited by zxman69; Feb 19, 2009 at 07:55 AM.
Hey Adam, did you guys finally get these to work? The guy that first bought these still hasn't got his car up and running, so I was just wondering if you had done any testing with them yet? When Mack first tried this design 5 years ago it was decided that they where not efficient and did not make much power. Other problems that arose where the oil filler cap , injector location, airbox design, but as you know we are still working on that as well, linkage,dipstick, and it lost power after 6200 rpm. Since it didn't make power after that, and most of the built vq's are pulling beyond 8000 rpm the design was scraped.The plus's where good power and torque in the low end due to the runner lenght, they looked good,no hood restictions. The price would have been good as well,around $2500.00
Runner length can be altered to whatever I want - so can inlet diameter. The oil cap has been worked through, the linkage is not an issue at all, neither is the dipstick. There is no injector issue because I'm using a stock rail and stock injector location. There is no airbox design as of yet because we haven't done one, nor am I am doing one in the near future. Properly designing an airbox takes time and significant money, and I'm just not at that point yet. My first priority is perfecting it to the point where I am happy with it on my car. Having something to sell is secondary. You've known me for how many years? Do I half *** anything I do to any of my cars? I will not sell something I would not use myself - period.
Registered User
Joined: Jun 2003
Posts: 97
Likes: 0
From: florida
Adam I was not trying to offend you, just asking you a simple Question if you had gotten this design to work properly above 6200 rpm,due to the fuel distribution problems you will encounter. As far as I have heard there have been 3 sets of these bodies sent out, to the guy with the VQ powered 240sx that was in Bosch's SEMA booth this year( that would be the set shown in the 1st post) i assume a set to you and for the 3rd set I haven't seen them show up on any forums yet, so I don't know, I could be wrong maybe only 2 set so far? The 240 is not running due to the car not having a stand alone management, something I should have said in my 1st post. I was just trying to point out the pros and cons of this design and see if you had worked through any of these problems before dumping alot of $$$$ only to find that you are not happy with the results. I know that you do not half *** anything on your cars. I am like everyone else here and am in awe of what you have done for the n/a guys with your VQ build and your 280zx is awsome, just trying to point out some of the potential headaches you are or may have already encountered,and to try and save you a **** load of $$$$.
Last edited by zxman69; Feb 19, 2009 at 09:23 AM.
Adam I was not trying to offend you, just asking you a simple Question if you had gotten this design to work properly above 6200 rpm,due to the fuel distribution problems you will encounter. As far as I have heard there have been 3 sets of these bodies sent out, to the guy with the VQ powered 240sx that was in Bosch's SEMA booth this year( that would be the set shown in the 1st post) i assume a set to you and for the 3rd set I haven't seen them show up on any forums yet, so I don't know, I could be wrong maybe only 2 set so far? The 240 is not running due to the car not having a stand alone management, something I should have said in my 1st post. I was just trying to point out the pros and cons of this design and see if you had worked through any of these problems before dumping alot of $$$$ only to find that you are not happy with the results. I know that you do not half *** anything on your cars. I am like everyone else here and am in awe of what you have done for the n/a guys with your VQ build and your 280zx is awsome, just trying to point out some of the potential headaches you are or may have already encountered,and to try and save you a **** load of $$$$.
I'm not new to modding cars - I've been doing it for a long, long time. Certainly long enough to know that parts at this level are not as simple as installing a set of wheels or air freshners, etc. I know the amount of time, dedication, and resources (of all types) that it takes to make something like this happen. I have nothing but time to make it work how I want to. I have the assistance of people here and elsewhere, who are smarter than I am, to make it work properly. I'm simply the catalyst. Like anything else I've ever done to this, or any other car I've done in the last 17 years, none of it happens overnight, none of it costs what you originally think it will cost, and none of it goes 100% flawlessly. If anyone thinks it does, then they are playing in the wrong arena.
Your supposition that someone, somewhere ran into a fuel problem or a power problem using this setup on VQ35 is inaccurate to the best of my knowledge. If it happened on another model car, at some point in time somwhere on earth, then so be it. It's neither my concern, nor what my attention is focused upon. Whatever issues present themselves, we'll deal with. That's what modding is about.
I will reiterate again, just so it's clear. I did not do this with the intention of creating something that would be sold, nor did I do it to somehow compete with anyone else who has such a product for a Z/G. The market for such a product is tiny. I don't care what others have. I did this because I decided a year ago that I wanted it for my car. If the net result is something that can be sold, then I'm certainly all for that, but we're not at that point. That is why you didn't see me create the thread in the first place.
Last edited by Z1 Performance; Feb 19, 2009 at 09:46 AM.
