Category: Lexus/Toyota V8

Originally this plate was made for my application but members inquired about it and now I am making available for the public.  This plate is not for everyone.  This plate is for those who is having some problem with the current location of the oil housing.  Some 1UZFE, 2UZFE or … Read the rest of the post...

Lextreme is proud to present this awesome rotating assembly.  It futures the followings:
· 8 forged Pistons
· 8 Pins with locks
· 8 Sets of piston rings
· 8 Lextreme Lightning Forged H Beam rods with Teflon Coating
· 16 ARP bolts Optional L19 rods bolts
· 8 Set … Read the rest of the post...

In this project, I am trying to do something that has never been done
before in a Lexus LS400.  This page is being constantly updated
perhaps daily.  This page is my documentation of Project LS400T
progress diary. 
I will try to give as much details as possible so you can … Read the rest of the post...

MLS (Multi-Layer Steel Head Gaskets)

Finally got some custom made MLS for the Lexus-Toyota Multi Layer Steel Gaskets from Cometic.  These are the best of the best gaskets for our beloved UZFE engines.  I have been waiting for these for a long time and finally available.  So take advantage of … Read the rest of the post...

I got these special ignition wires for my Cobra and love it since. I am currently getting a custom set done for my 1UZFE. Anyone interested in a set. They are expensive, but worth every penny in both FI and NA applications.  Stock wires are good for stock performance.  If … Read the rest of the post...

Here is something new for you bargain hunters.  This page was setup specifically for cheap and bargain original parts.  When I get unbelievable deals on parts that I think my visitors/members would benefit, then I get them in great quantities or bulk so my members and visitors would get the … Read the rest of the post...

Recently I was called by Tony (ACleanSC and his cousin Dr. Mike) to help him measure the SC300 for a nice huge intercooler.  I was honored and we did some measurements.  The SC is so nice and allow such a huge space for intercooling.

Tony’s SC300 is powered by the … Read the rest of the post...

There is big talk about turbo and supercharging Lexus V8 engines.  Specifically the first generation LS400 and SC400 from 1990 to 1997.  Richwood made a wonderful supercharger adaptor manifold and it can pretty much take anything you throw on top of it.  M90 supercharger is very common installed in the … Read the rest of the post...

When I got this email from a stranger telling me about how his Supercharged Tundra blew up during a run.  I am very used to this type of email and I get about 10-20 daily about Lexus-Toyota V8 related topics.

To make the story short.  Wayne Ryther was pumping about … Read the rest of the post...

This is the first time someone ever compare them side by side.  The UZFE engines are a mystery to everyone.  However, I got a 3UZFE short block for $50 USD and I am dissecting out for R&D purposes.  In this article I will be comparing the two rods with precise … Read the rest of the post...

I am in the process of changing the oem mechanical fan to electrical fan.  This will free up some horse power.  Secondly, this electrical fan will pull more air for greater cooling.  This is what I got. A 16 Inch,12 Volt High Performance Reversible Electric Cooling Fan Kit.

This Zirgo … Read the rest of the post...

This page is for informational purposes only. None of these parts are for sale any longer!

Supercharged 98 Cobra Forged Internal Supercharged 18 psi with 6 speed, very fast and fun

… Read the rest of the post...

This page is solely dedicated to Lexus V8 4.0, 4.3 and 4.7 liter DOHC 1UZFE, 2UZFE and 3UZFE engines (LS400 to Tundra).  Here is the largest Lexus-Toyota V8 performance parts galore.  The after market performance products are so hard to find.

However, base upon my personal experience via many trials … Read the rest of the post...

Tutorials
Engine Mods
Forced Induction
Body Mods
Swaps/Converions
Electronics
Video Tutorials
Misc. Topics

SS Brake Lines Upgrade/Replace	TB Cleaning	How to diagnose Faulty Starter
1UZFE Specs & Wiring Diagrams	How to replace A/C Compressor	How to change starter in 1UZFE
How to replace Serpentine Belt	How to replacement Lexus Upper

… Read the rest of the post...

Now that the older Lexus engines are around 15 years old you might see one smoking a little bit when started. This is a good indicator that the valve seals are worn out. I would recommend changing them out anyways just because they deteriorate after so many years.

Below you’ll … Read the rest of the post...

When I got my 1990 Lexus LS400 aka Toyota Celsior few years ago, the first thing that went wrong with my car was the Air Suspension Shocks.  Like most car buyers, you find out what not to buy only after you brought it.

Well, I got a LS400 with Air … Read the rest of the post...

Tutorials
Engine Mods
Forced Induction
Body Mods
Swaps/Converions
Electronics
Video Tutorials
Misc. Topics

BFI	Exhaust Modification with Greddy Mufflers	ARP Studs
Leakdown Test	Injectors Upgrade	7MGE Injectors for 1UZFE
Decompression of 1UZFE	Lex-Toy Tranny	CR Change with Heads work
TB Bypass	1UZ Shortblock	340 & 341 Transmission
R&D Injector	Radiator

… Read the rest of the post...

Some of you might know me to be one of the extreme Lexus V8 owners.  I have done a Twin Turbo Lexus LS400 and created a Supercharger kit for the Lexus LS400.  I have plan to make a supercharger kit for the SC400.  However, there are few supercharger kits currently … Read the rest of the post...

There is a movement now that 1UZFE is moving toward the root style supercharger.  Why? of course this supercharger boosts lower end torque and its great for street applications.

Currently, there is a 1UZFE manifold being made by Jordys to be fitting with any root style supercharger. (Update July, 2020: … Read the rest of the post...

This article should be very interesting for all you.  Recently I got a new alternator and new battery, but I was having trouble turning and starting my car.  After 14 years of running, its time to retired the starter.  The starter still good, but its drawing a lot of cranking … Read the rest of the post...

The main purpose on an alternator is to recharge current back to the battery.  One of the most common problems with the Lexus LS400 and SC400 is that power steering pump seal leak.  Right below the power steering pump is the alternator.  The power steering fluid will drip down and … Read the rest of the post...

NONE OF THESE PRODUCTS ARE FOR SALE – FOR REFERENCE PURPOSES ONLY!

This page is solely dedicated to Lexus V8 4.0, 4.3 and 4.7 liter DOHC 1UZFE, 2UZFE and 3UZFE engines (LS400 to Tundra).  Here is the largest Lexus-Toyota V8 performance parts galore. 

The after market performance products are so … Read the rest of the post...

Tutorials
Engine Mods
Forced Induction
Body Mods
Swaps/Conversions
Electronics
Video Tutorials
Miscellaneous

We have hundreds of articles on repairs and DIY tutorials all linked to from the above index.  The whole goal of this section is to save you money.

That is right.  It’s my passion to help you save … Read the rest of the post...

This Fuel Pump Upgrade DIY tutorial applies to 1990, 1991, 1992, 1993 and 1994 Lexus LS400 models.

After running my car at 8 psi and achieved 324.5 rwhp.  This is pretty much the stock fuel pump can produced.  Its time to upgrade to a larger fuel pump.  Since the Lexus … Read the rest of the post...

These engine specifications aren’t intended for sale or publication.  This is only for your information.  Lextreme is not reliable for any copy rights violation or misprint information.

The below specs are in PDF format.  You need Acrobat to view the below specs.  I have chosen the most important topics that … Read the rest of the post...