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

Any LS400 with Lsx swap

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Old 07-22-12 | 05:35 PM
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Default Any LS400 with Lsx swap

Just curious to see if any has done this swap in here, is already been done on the SC, GS and IS
Old 07-22-12 | 08:54 PM
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nope, hasnt been done to my knowledge.

lextreme did a 5.2L built xUZ motor though, i forget if its still a WIP.
Old 07-22-12 | 09:03 PM
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Someone on here has the LT1 swap with a turbo.
Old 07-22-12 | 09:11 PM
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Sorry, I meant supercharged.

https://www.clublexus.com/forums/ls4...350-chevy.html
Old 07-22-12 | 09:36 PM
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Actually, I was right with my first post. I think that previous link the guy didn't finish. Here's what I meant to post:
https://www.clublexus.com/forums/ls4...xus-ls400.html

Sorry about three posts in a row.
Old 07-22-12 | 10:59 PM
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I been thinking about it past 4 months and talking to my friends about doing a LS3 swap but after getting there feed back Now its between a LS3 and 2JZ...Doing a LSx motor swap aint gonna be cheap
Old 07-23-12 | 01:55 AM
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LS3 ERod is an easy 10-15k out the door isn't it?

smog legal though.
Old 07-23-12 | 08:24 AM
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Originally Posted by PureDrifter
LS3 ERod is an easy 10-15k out the door isn't it?

smog legal though.
18k clean motor w/ paper work and installed

8k installed and its a hot motor LOL
Old 07-24-12 | 07:43 AM
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Ok... There are a few LSx swaps out there.

IS swap.
https://www.clublexus.com/forums/is-...s-of-pics.html

GS swap.
http://www.modified.com/features/mod...0-lexus-gs300/

LS swap.
https://www.clublexus.com/forums/ls4...xus-ls400.html

SC swap.
http://ls1tech.com/forums/conversion...-t56-swap.html

Good luck.
Old 07-24-12 | 12:31 PM
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I still think that LS^2 swap is a myth, guy posted a few pictures of it incomplete, 0 running videos, and then disappeared...

i'm a skeptic until video evidence shows otherwise.
Old 07-24-12 | 01:00 PM
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thanks 3UZFTE
Old 10-23-12 | 06:57 PM
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the ls1 swap is not a myth in the ls400 i did finish it a ran a 12.5 in the quarter mile with it. So not everything is fake if it doesnt have videos and i dissapeared because i sold the car and now have a 2002 cibola gold is300


Old 10-24-12 | 01:31 PM
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What options exist to put the LX45/47/57 into a UCF2x?
Does anyone know what the physical size differences are?
Bellhousing patterns the same or similar?

The integration of the basic engine and ECU should not be that hard if the overall size differences are similar and the ECU can be run divorced of its additional accessories...

Has anyone cracked the Toyota ECU mapping in the newer cars/trucks to offer a flasher based tuning option or even a hondata type system.

I think a UCF2x LS570 would be a pretty entertaining car to drive!
Old 10-24-12 | 03:26 PM
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IF/After I sell my 240 and transition my LS into a drift car I plan to go this route. The LSX engines are all pretty universal (as long as they are the same generation). You can take a LM4/LQ4/LQ9 (iron block) and run car ACC (cts,f body, gto) to gain hood clearance. The iron and aluminum block are identical as far as mounting point go, just different weights. I'm not sure if the TR6060 bellhousing pattern is the same on the T56, I don't believe so. The GTO T56 has a few differences from the F-Body T56 (shifter assembly and bottom "shift plate", 3rd gear ratior).


I sold my SC to SIKKY to make a LSX mount kit, which should come out next year. Problem being is the LS and SC 1UZs run different oil pans. I bet SIKKYs RX7 oil pan will work with the LS sump style and provide clearance for the steering rack.

Someone hit up SIKKY with an LS400 and blank check.

Last edited by duballstar; 10-24-12 at 04:53 PM.
Old 10-24-12 | 04:51 PM
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I meant keeping a Lexus engine, not a Chevy engine.


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