Gs470?
#1
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Anyone in here been thinking larger cubic? How cool would it be get from a 4.0 liters to 4.7 liters? Its possible and only increase 82 extra lbs of engine weight. Yes, I am talking about the 2uzfe Tundra Iron block swap. I am currently doing it now and result is pretty good.
Here is a picture of iron block (black color) with SC400 parts
![](https://www.lextreme.com/SC470TT/IMG_0194.JPG)
Here are two pictures of my 4.7 conversion with mock (dead turbos)
![](https://lextreme.com/SC470TT/Twin_Turbo_SC400_Lexus%20005.jpg)
![](https://lextreme.com/SC470TT/Twin_Turbo_SC400_Lexus%20003.jpg)
It would be very cool to see a GS400 bump up to GS470. Who would be the first?
Here is a picture of iron block (black color) with SC400 parts
Here are two pictures of my 4.7 conversion with mock (dead turbos)
![](https://lextreme.com/SC470TT/Twin_Turbo_SC400_Lexus%20005.jpg)
![](https://lextreme.com/SC470TT/Twin_Turbo_SC400_Lexus%20003.jpg)
It would be very cool to see a GS400 bump up to GS470. Who would be the first?
#4
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cool idea. could you just replace the 1uz in a GS400 with that block and let her rip?
I also think a LS1 and 6 speed mt frankensteined into a GS would be killer. can't believe nobody has ever done anything like that......GS570
I also think a LS1 and 6 speed mt frankensteined into a GS would be killer. can't believe nobody has ever done anything like that......GS570
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noob question... what do you do for engine management? the oem ecu for that engine or standalone?
i wonder what they would say when i go in for my mandatory emissions inspection/testing and they see that thing in the engine bay
i wonder what they would say when i go in for my mandatory emissions inspection/testing and they see that thing in the engine bay
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#7
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First of all... smog people won't know the difference between the two engines. It looks the same (assuming you paint it silver color) To operate this monster, your stock ecu should able to compensate for the .7 increase liter. Basically everything will be the same except the block. With stock compression and a good torque converter, you can peel off pretty much anytime....
Last edited by Lextreme; 11-15-06 at 10:04 AM.
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I doubt weight distribution will be such a factor. A factory GS400 has a weight distrubution of 53.7%/46.3% (F/R). Assuming the 2uz-fe weighs 100lbs more than the 1uz-fe, the new weight distrubution would be 54.9%/45.1%. Of course this is all theoretical. A turbo kit for a GS400 would probably weigh an additional 80lb+ anyways. You sacrifice a bit of handling, but you sure gain awesome low end power
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I weighted both short blocks and the weight difference is 82 lbs.
#12
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I doubt weight distribution will be such a factor. A factory GS400 has a weight distrubution of 53.7%/46.3% (F/R). Assuming the 2uz-fe weighs 100lbs more than the 1uz-fe, the new weight distrubution would be 54.9%/45.1%. Of course this is all theoretical. A turbo kit for a GS400 would probably weigh an additional 80lb+ anyways. You sacrifice a bit of handling, but you sure gain awesome low end power ![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)