GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

GS500, 1GZ-FE swap GZS160

Old 10-06-15, 06:14 PM
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GZS160
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Default GS500, 1GZ-FE swap GZS160

I'm starting this thread to showcase my current project. My 2003 GS300 which had already been swapped with a 2JZ-GTE is going under the knife again to receive one of Toyota's rarest engines. This project has been going on for a few years already and of course progress is slow. I am full time student so all the work I do is in my spare time. I've already posted a few photos on my profile and will begin to post here as well.
Old 10-06-15, 06:16 PM
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GZS160
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1GZ bought with 10,260 miles








Matching A761e transmission


























Old 10-06-15, 06:39 PM
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Bhubb18
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That's super sick man. I'd love to have a V12 GS!
Old 10-06-15, 08:48 PM
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ThomasGS4
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Love it! Keep us posted!
Old 10-07-15, 12:44 AM
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Lutkis
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Something new for a change!
Keep it up!
Old 10-07-15, 04:06 AM
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yada
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What motor is this from?
Old 10-07-15, 04:51 AM
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brainsurge
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Thats a sick project. 1gz-fe has been used in the toyota century from 97 on. according to wiki top secret used a tuned 1gz-fe for a supra with 950 hp.
I'm really wondering how you will fit the radiator and if there will be any clearance.
Old 10-07-15, 05:06 AM
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GZS160
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Originally Posted by brainsurge
Thats a sick project. 1gz-fe has been used in the toyota century from 97 on. according to wiki top secret used a tuned 1gz-fe for a supra with 950 hp.
I'm really wondering how you will fit the radiator and if there will be any clearance.
Thick core aftermarket Aristo radiator fits perfect with low profile flexlite fans
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Old 10-07-15, 05:08 AM
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Originally Posted by yada
What motor is this from?

This engine and transmission are from a 2011 Toyota Century (GZG50).
Old 10-07-15, 08:28 AM
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Psych
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WOW! Subscribed, what are your power goals?
Old 10-07-15, 09:36 AM
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That thing is sick! Didn't even know Toyota made V12's.
Old 10-07-15, 10:14 AM
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my god......
Old 10-07-15, 12:20 PM
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Originally Posted by Psych
WOW! Subscribed, what are your power goals?
The 1GZ wasn't designed to make power, it was designed to smoothly power a luxury barge. With that said, with the right parts it should be able to make power. After all it is a 5 liter DOHC V12 with VVTi; with new free flowing intake and exhaust manifolds, along with the custom ecu and tune. I would expect 430-480hp at the crank. Part of the goal is to see what are the capabilities of the stock engine.
Old 10-07-15, 12:44 PM
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DriftChris
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Isnt that the same V12 that came in the old Top Secret V12 Supra? It looks familiar.
Old 10-07-15, 01:48 PM
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Originally Posted by DLA-USA
Isnt that the same V12 that came in the old Top Secret V12 Supra? It looks familiar.
Yes, its the same

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