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460 swap

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Old 05-22-11, 09:33 PM   #1
stk7741
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Default 460 swap

Has anyone installed or know of any isntallations of the 460 engine and trans in a 1994 LS400?
Does anyone know of a mechanic or a shop in So. Calif who has experience with engine/tranny swaps in Lexus cars?
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Old 05-22-11, 09:45 PM   #2
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Welcome.

All a matter of money and time. I've pondered this as well but our LS isn't that level a project car so it remains an amusing thought. Call some shops, measure up and see what some of the shops say what will need to be fabbed.
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Old 05-22-11, 11:33 PM   #3
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lol, got ~$25-30,000?

engine
trans
ecu
body harness
custom mounts
custom d/s
MASSIVE custom harness
labor for all of the work (esp. the wiring).
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Old 05-24-11, 12:00 PM   #4
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lol, got ~$25-30,000?

engine
trans
ecu
body harness
custom mounts
custom d/s
MASSIVE custom harness
labor for all of the work (esp. the wiring).
That's not very far off, unfortunately. The list price of a complete motor from Lexus, I know you won't buy it from them, but just for our sake, it's $23,000, which doesn't include any of the harness, modules, exhaust, etc. On top of that, the book time for removing a 4.6 from an LS460 is 30 hours. I would be willing to bet that the time would almost double considering your puting a engine in a vehicle that was never deisgned for it. Good luck.
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Old 05-24-11, 01:05 PM   #5
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Somebody who's has $ or just plain whacked will do it just for the challenge.
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Old 05-24-11, 05:33 PM   #6
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The 4.6 is a lousy motor to go through the effort of putting into your car anyway. It's flimsy and cheap. The best motor is your 1UZ-FE - you just need to wake it up with forced induction.
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Old 05-24-11, 07:06 PM   #7
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for the money you would spend on the 4.6 you could have a fully built 1uz with forced induction and 500hp+ and some cash left over for other goodies. It would be a fun idea if you had a fab shop at your own disposal and could do all the work your self and found a 4.6 for real cheap, like less than $2000. Because even after that your still going to be looking at 5k+ to get it running....
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Old 05-24-11, 07:39 PM   #8
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The 4.6 is a lousy motor to go through the effort of putting into your car anyway. It's flimsy and cheap. The best motor is your 1UZ-FE - you just need to wake it up with forced induction.
Don't know much about the 4.6L but how is it "flimsy and cheap"?
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Old 05-24-11, 07:43 PM   #9
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What tranny would be mated to the 1UR-FSE?
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Old 05-26-11, 07:22 PM   #10
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Don't know much about the 4.6L but how is it "flimsy and cheap"?
failing camshafts (tundra bored-out model), failing valvetrain (LS, GS460), very thin rods, open-deck block design. i don't think it even has a 6-bolt main like its UZ predecessor.
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Old 05-30-11, 02:56 AM   #11
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Complete waste of time.

Just give your 1UZ an overhaul and supercharge.
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