327whp New Intake Plenum + LS2 90mm TB - Dynos, Video, Pics
01-27-2010, 11:35 AM
#45
i am pretty sure that if they decide to put this on the market it will come with some sort of directions.
Last edited by Dr. Venture; 01-27-2010 at 11:37 AM.
01-27-2010, 11:43 AM
#47
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ohh..well if the wires do not reach normally and or after you get them out of the harness then you can just cut them and make extensions between the wires and plug. That is what i would of done in this scenario.
i am pretty sure that if they decide to put this on the market it will come with some sort of directions.
i am pretty sure that if they decide to put this on the market it will come with some sort of directions.
that explains it, but i wonder if its possible if the stock ECU and a tune, or maybe a UTEC
01-27-2010, 01:01 PM
#52
I am thinking as well that if you look good the vehicle is running all the time with out the hood.
It looks as if the intake sits a lil high. I am wondering if it even fits with the stock hood. Or would you have to change the hood like the stillen SC makes you.
It looks as if the intake sits a lil high. I am wondering if it even fits with the stock hood. Or would you have to change the hood like the stillen SC makes you.
01-27-2010, 01:20 PM
#53
Let me answer a few questions before you guys go and get too excited!
As for the hood clearance, the plenum that was made didn't fit without a spacer because there was a small nub on the lower manifold that was hitting the plenum. Without a spacer, the plenum will clear the hood. If you watch the video, the car is missing more than just the hood!
As for production and the GM throttle body, the first thing that needs to be done is a test with this plenum, a 3.5" intake and the stock throttle body. This will tell the whole story with regards to how critical a big throttle is. Perhaps a proper inlet and diffuser will reduce the losses at the stock throttle to a negligible amount. If we can get the GM throttle to work with the OE ECU that would be incredible, but it might not be possible because motors run at different frequencies, they have different ways of cross referencing throttle position, and of course would have different internal resistances that the ecu might check as a means of looking for codes. When the ECU detects a DBW fault it restricts the throttle opening to something like 20%. So neither the physical wiring nor the physical installation are the hard parts, it's the calibration!
The next steps include making a throttle controller to drive the GM throttle so that we can test it on the roadster along with the plenum, and of course the stock throttle body. Perhaps the roadster can come close to 300whp with just the throttle plenum and headers.
The headers are making progress but we're so far behind it's incredible. Nothing is killing me more than seeing a product everyone wants and not being able to produce it fast enough. I'm working as hard as I can to get them made, but I won't rush to sell a product I'm not happy with. Be patient guys! I'm sorry its taking so long!
As for the hood clearance, the plenum that was made didn't fit without a spacer because there was a small nub on the lower manifold that was hitting the plenum. Without a spacer, the plenum will clear the hood. If you watch the video, the car is missing more than just the hood!
As for production and the GM throttle body, the first thing that needs to be done is a test with this plenum, a 3.5" intake and the stock throttle body. This will tell the whole story with regards to how critical a big throttle is. Perhaps a proper inlet and diffuser will reduce the losses at the stock throttle to a negligible amount. If we can get the GM throttle to work with the OE ECU that would be incredible, but it might not be possible because motors run at different frequencies, they have different ways of cross referencing throttle position, and of course would have different internal resistances that the ecu might check as a means of looking for codes. When the ECU detects a DBW fault it restricts the throttle opening to something like 20%. So neither the physical wiring nor the physical installation are the hard parts, it's the calibration!
The next steps include making a throttle controller to drive the GM throttle so that we can test it on the roadster along with the plenum, and of course the stock throttle body. Perhaps the roadster can come close to 300whp with just the throttle plenum and headers.
The headers are making progress but we're so far behind it's incredible. Nothing is killing me more than seeing a product everyone wants and not being able to produce it fast enough. I'm working as hard as I can to get them made, but I won't rush to sell a product I'm not happy with. Be patient guys! I'm sorry its taking so long!
01-27-2010, 02:48 PM
#57
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As for production and the GM throttle body, the first thing that needs to be done is a test with this plenum, a 3.5" intake and the stock throttle body. This will tell the whole story with regards to how critical a big throttle is. Perhaps a proper inlet and diffuser will reduce the losses at the stock throttle to a negligible amount. If we can get the GM throttle to work with the OE ECU that would be incredible, but it might not be possible because motors run at different frequencies, they have different ways of cross referencing throttle position, and of course would have different internal resistances that the ecu might check as a means of looking for codes. When the ECU detects a DBW fault it restricts the throttle opening to something like 20%. So neither the physical wiring nor the physical installation are the hard parts, it's the calibration!
01-27-2010, 03:24 PM
#59
Someone had bored out a VK on here but it was still only 75mm or so IIRC. Stock we have ~70mm which can be bored to about 72mm.
People had talked bout q45 TBs in the past, but none really followed up on results.
Some people on the titan forums had swapped 90mm LS2 throttlebodies a few years back and as far as I know, they ran without even needing a reflash. Nissan TBs are 6 pin like GM TBs so maybe the electrical engineering hurdles are not that bad?
edit: nevermind, the VK wasn't ported
People had talked bout q45 TBs in the past, but none really followed up on results.
Some people on the titan forums had swapped 90mm LS2 throttlebodies a few years back and as far as I know, they ran without even needing a reflash. Nissan TBs are 6 pin like GM TBs so maybe the electrical engineering hurdles are not that bad?
edit: nevermind, the VK wasn't ported
Last edited by INTIMAZY; 01-27-2010 at 03:29 PM.
