Rev my tC to 6800 rpm w/ pix and video, pass rev limiter
11-16-2005, 03:52 AM
#1
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Rev my tC to 6800 rpm w/ pix and video, pass rev limiter
Hello all.
After installing the greddy emanage ultimate, I was able to program the rev limit higher than the factory ~6100rpm! Here is the picture and the video of it reving at the new limit that was set at 6800 rpm! The video is hard to see because it occurred so fast, so I took a pix on another run. I could have set the rev limit to 7000+ rpm, but I didn't want to try that just yet.
There is a Speed limit deactivator with the greddy emanage ultimate. I heard it works. I haven't tried, but after the rev limit increase worked, I am inclined to believe this also works!
Once I get familiar with the emanage ultimate, I'll start installing my turbo.
Pix! Enjoy!
Video! Enjoy!
After installing the greddy emanage ultimate, I was able to program the rev limit higher than the factory ~6100rpm! Here is the picture and the video of it reving at the new limit that was set at 6800 rpm! The video is hard to see because it occurred so fast, so I took a pix on another run. I could have set the rev limit to 7000+ rpm, but I didn't want to try that just yet.
There is a Speed limit deactivator with the greddy emanage ultimate. I heard it works. I haven't tried, but after the rev limit increase worked, I am inclined to believe this also works!
Once I get familiar with the emanage ultimate, I'll start installing my turbo.
Pix! Enjoy!
Video! Enjoy!
11-16-2005, 05:34 AM
#15
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from the looks of that picture, you hit 56or57mph on 2nd gear at 6800rpm??
i think if you get it at 7000rpm.. maybe youll get 58 or 59mph... if you hit 60 your good to go... thatll make me wanna buy an emanage....
then again you gotta dyno that thing and see wats goin on at redline....
i think if you get it at 7000rpm.. maybe youll get 58 or 59mph... if you hit 60 your good to go... thatll make me wanna buy an emanage....
then again you gotta dyno that thing and see wats goin on at redline....
11-16-2005, 05:44 AM
#16
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Peak hp occurs at 5700 RPM. After that, the torque curve drops right off so at 8000 RPM you're looking at a pretty low HP curve. At these engine speeds, the stock motor runs out of breath and can't properly draw in enough air. Modding has to be done to ease breathing at such high speeds to continue creating torque and therefore HP.
Such efficiency at high engine speeds often comes at the cost of efficiency at low engine speeds. With a high-flow set up the engine can breathe easily at high RPM but suffer some turbulence at lower RPM (think of the loss from an exhaust or intake that is too large.) Honda has managed to combat this on a wide scale and Toyota has really only done it with the GT-S by adding a new cam lobe that will have excessive intake at high engine speeds to feed more air into the combustion when it's needed. When less air is needed, the regular cam comes back in for regular application.
The tC's FE head is purpose built for passenger car duty without the race cam and thus reaches peak efficiency much faster and much lower than a purpose built race car.
Now, the reason for my discussion on this..
So, you know that rumor about a new Scion coming out this summer? The performance Scion? Edmunds said it was gonna be a 2.4 liter performance engine put in either a coupe or a sedan. Is anyone seeing a 2AZ-GE? You N/A guys might be able to finally make some progress with VVTL-i! Can you say head swap? Tranny swap perhaps? swap this, swap that, pretty soon we may be as swap happy as Honda people! A few years from now a new scion will come out and every week, instead of a supercharger thread, a new "What engine will fit" thread will come out! Huh.. maybe it's not such a good thing..
Such efficiency at high engine speeds often comes at the cost of efficiency at low engine speeds. With a high-flow set up the engine can breathe easily at high RPM but suffer some turbulence at lower RPM (think of the loss from an exhaust or intake that is too large.) Honda has managed to combat this on a wide scale and Toyota has really only done it with the GT-S by adding a new cam lobe that will have excessive intake at high engine speeds to feed more air into the combustion when it's needed. When less air is needed, the regular cam comes back in for regular application.
The tC's FE head is purpose built for passenger car duty without the race cam and thus reaches peak efficiency much faster and much lower than a purpose built race car.
Now, the reason for my discussion on this..
So, you know that rumor about a new Scion coming out this summer? The performance Scion? Edmunds said it was gonna be a 2.4 liter performance engine put in either a coupe or a sedan. Is anyone seeing a 2AZ-GE? You N/A guys might be able to finally make some progress with VVTL-i! Can you say head swap? Tranny swap perhaps? swap this, swap that, pretty soon we may be as swap happy as Honda people! A few years from now a new scion will come out and every week, instead of a supercharger thread, a new "What engine will fit" thread will come out! Huh.. maybe it's not such a good thing..
11-16-2005, 06:02 AM
#17
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Originally Posted by kungpaosamuraiii
Peak hp occurs at 5700 RPM. After that, the torque curve drops right off so at 8000 RPM you're looking at a pretty low HP curve. At these engine speeds, the stock motor runs out of breath and can't properly draw in enough air. Modding has to be done to ease breathing at such high speeds to continue creating torque and therefore HP.
Such efficiency at high engine speeds often comes at the cost of efficiency at low engine speeds. With a high-flow set up the engine can breathe easily at high RPM but suffer some turbulence at lower RPM (think of the loss from an exhaust or intake that is too large.) Honda has managed to combat this on a wide scale and Toyota has really only done it with the GT-S by adding a new cam lobe that will have excessive intake at high engine speeds to feed more air into the combustion when it's needed. When less air is needed, the regular cam comes back in for regular application.
The tC's FE head is purpose built for passenger car duty without the race cam and thus reaches peak efficiency much faster and much lower than a purpose built race car.
Now, the reason for my discussion on this..
So, you know that rumor about a new Scion coming out this summer? The performance Scion? Edmunds said it was gonna be a 2.4 liter performance engine put in either a coupe or a sedan. Is anyone seeing a 2AZ-GE? You N/A guys might be able to finally make some progress with VVTL-i! Can you say head swap? Tranny swap perhaps? swap this, swap that, pretty soon we may be as swap happy as Honda people! A few years from now a new scion will come out and every week, instead of a supercharger thread, a new "What engine will fit" thread will come out! Huh.. maybe it's not such a good thing..
Such efficiency at high engine speeds often comes at the cost of efficiency at low engine speeds. With a high-flow set up the engine can breathe easily at high RPM but suffer some turbulence at lower RPM (think of the loss from an exhaust or intake that is too large.) Honda has managed to combat this on a wide scale and Toyota has really only done it with the GT-S by adding a new cam lobe that will have excessive intake at high engine speeds to feed more air into the combustion when it's needed. When less air is needed, the regular cam comes back in for regular application.
The tC's FE head is purpose built for passenger car duty without the race cam and thus reaches peak efficiency much faster and much lower than a purpose built race car.
Now, the reason for my discussion on this..
So, you know that rumor about a new Scion coming out this summer? The performance Scion? Edmunds said it was gonna be a 2.4 liter performance engine put in either a coupe or a sedan. Is anyone seeing a 2AZ-GE? You N/A guys might be able to finally make some progress with VVTL-i! Can you say head swap? Tranny swap perhaps? swap this, swap that, pretty soon we may be as swap happy as Honda people! A few years from now a new scion will come out and every week, instead of a supercharger thread, a new "What engine will fit" thread will come out! Huh.. maybe it's not such a good thing..
Haha Honda forums come to mind
11-16-2005, 10:49 AM
#20
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I don't think the block is going to have any problems. . . I'm no expert on the 2.4, but if memory serves me right, the stroke isn't too bad.
What I would be concerned with is the valvetrain. They're are going to be workin extra extra hard at that RPM, and I'm not sure if there are substantial power gains to justify the added stres.
Nice upgrades would be custom cams and valve springs. Along with FI, you'd be able to extract the most of that added rev range.
What I would be concerned with is the valvetrain. They're are going to be workin extra extra hard at that RPM, and I'm not sure if there are substantial power gains to justify the added stres.
Nice upgrades would be custom cams and valve springs. Along with FI, you'd be able to extract the most of that added rev range.