LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Looking for performance suggestions, seems like a rare thing to do.

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Old 11-16-13, 09:03 PM
  #31  
Sc0pe
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This thread could use a little boost! Here's a potential mod for you guys, particularly 98-00 rockin' the VVT-i.

Here's a sort of build thread from a guy who ran a TRD supercharger (Toyota Tundra OEM) for the 2UZ-FE and mated it to a VVT-i 1UZ-FE (pulled from a GS400).

http://www.bedellracing.com/v8swap



And for the first gen guys, fret not! A company, also a forum vendor, called Boostology has created a single turbo kit for your cars!


Last edited by Sc0pe; 11-16-13 at 09:14 PM.
Old 11-16-13, 09:32 PM
  #32  
Kaiyin
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a single turbo kit for the LS would be easy in terms of the hard-parts (turbo, intercooler, piping, etc.). The kit posted above me could work for the 2LS too, as that's how I mocked one up.

Me though, I love how the 1UZ sounds at high-rpms. I'd build one with high-compression, rev to 9000rpm, and have ITBs.
Old 11-17-13, 11:48 AM
  #33  
Shmee
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Looking at it, it's a fairly simple single turbo system... Might be a bit of an issue for the slammed guys, as it looks to go under the oil pan and subframe...

I was thinking it would be pretty easy to build a basic log manifold with the turbo flange at top and front and build a twin turbo setup... The biggest issue for these cars is the tuning itself. While you can always use a stand alone, I wonder how much functionality you would loose over the stock ECU and if the car would still resemble an LS in the overall drive, just with more power.
Old 11-18-13, 05:56 AM
  #34  
shanjam
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Originally Posted by geoprz
I understand the ls400 isn't a sports car but I'm looking for more power out of the V8. What are people doing to squeeze out some horsepower? Other then a cold air intake and exhaust...


Need to replace my ECU. Are there performance tuned ECUs out there for our cars?
look on youtube lexus ls400 tune ups
Old 11-18-13, 11:46 AM
  #35  
PureDrifter
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the bedell car is now owned by Figs Engineering, and has a built 5.2 xUZ motor with that supercharger.

Bedell Racing had tried the 1uz but it didn't work for reasons which escape me, and they ended up swapping a 2UZ into it.

If you consider going down the TRD SC route, remember that a lot of the parts for those kits are LONG since discontinued, so if you don't get a COMPLETE kit, with EVERYTHING (especially the brackets supercharger snout, intake elbow, and coolant crosover, among other things) RUN AWAY as the costs to recreate them will be ridiculously high.
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