Category: Top

Here is a product that I have been looking around for many months.  When I was doing my forced induction projects finding a MAD adapter was like looking for coin on the beach.  Contacted many places and site and no luck.

The only one I know of is the HKS … Read the rest of the post...

Changing the engine oil in a Toyota Previa minivan is pretty simple.

For safety, you should engage the hand brake along with a block behind the rear wheel.

There are 4 contact points in the Previa vanwhere its safe to jack the van.  The oil nut is on the passenger … Read the rest of the post...

This article is to show you how you can change your injectors by yourself.  The task is not too hard and it will take about 1 hour or so.  When I took my car to my mechanic few months back, he spent too many hours on it and cost me … Read the rest of the post...

This is my story why I created this Twin Turbo Kit.  I have been searching on the internet for the past two years trying to find out more about performance parts and bolt-on kit for the Lexus V8 engine.  However, no such luck.  There have been few cases that the … Read the rest of the post...

Most Lexus owners really neglect simple PCV Valve cleaning and maintenance and this can cause some gas mileage loss. That’s why I thought I’d write up a simple DIY tutorial with complete instructions on how to clean or change your own PCV valve.

PCV stands for Positive Crankcase Ventilation.  Basically, … Read the rest of the post...

Tools and Equipment Required

Brake clean (AT LEAST 2 cans)
17mm wrench or socket
14mm wrench or socket
11mm box wrench (in addition, an 11mm crescent wrench is also recommended)
10mm box wrench
10mm crescent wrench
1/2” Drive Ratchet (3/8” drive suggested)
Flat-blade screwdriver
Power cutoff wheel (or metal sheers)… Read the rest of the post...

There are 6 variants of the engine. Crown (pre-96), Crown (post-96), SC400 (or Soarer for JDM versions), SC400 “active” or UZZ32, LS400 and Celsior

To assist in engine identification the vehicles model numbers are handy.
The cosmetic differences are quite wide ranging and you should ensure you check for as … Read the rest of the post...

Job was done by Vitaliy Faida (VMF) and William Tong.

Car is  1996 Lexus LS 400 with 115k miles.

Click Here for First Generation Timing Change

Timing Belt Installation Supplementary  By Lextreme

The most important thing is put the parts that you take out in the order they were removed … Read the rest of the post...

Changing the air conditioner compressor is one of the easiest thing you can do on your Lexus LS400 or SC400 (or any Lexus and/or Toyota car model, for that matter) and save hundreds of dollars or more on labor.

If you really hardcore you can just replace the A/C compressor … Read the rest of the post...

DESCRIPTION

The A341E automatic transmission is a 4–speed Electronically Controlled Transmission with an intelligent

control (hereafter called ECT–i) developed exclusively for the Lexus LS400. The A341E automatic transmission

has the following features.

_ When shifting the transmission, the engine torque is controlled and the clutch hydraulic pressure in the

transmission … Read the rest of the post...

I am in the process of building a single turbo for the Lexus LS400 and I have been doing lots of research on turbo unit and trying to get the proper turbo size for the my application.  I have experience with Twin Turbo and Supercharging my Lexus LS400.  Now I … 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 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...

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...

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...

Some people will be aware of my mythical 34 ‘Ford’ Woodie Station Wagon hotrod project that never makes any headway due to a tendency for other projects to materialize and take priority. Consequently ‘progress’ on the Woodie in real terms equates to the slow accumulation of bits.

UPDATE: I’ve … Read the rest of the post...

I have been looking around for upgrade injectors for my Lexus LS400 which has 1UZFE engine.  I tried to contact few places for new injectors, but price is over the ceiling.  An average 440 cc  is about $100 each.  Therefore, I want to use some oem injectors from other cars.… 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...

This is Part 3 of this 1UZ Vs. 3UZ write up.

The examination of the two engines was very interesting and lextremely enriching.  I learn a lot from this experiment.

I think this engine comparison articles break down many mysteries we had about the legendary 1UZFE and the improved version … Read the rest of the post...

Torque Spec (SC400)

Part tightened	N.m	kgf.cm	ft.lbf
No.1 idler pulley X Cylinder block	34	350	25
No.2 idler pulley X Cylinder block	34	350	25
Hydraulic pump X Cylinder block 12 mm head	16	160	12
14 mm head	30	310	22
Crankshaft pulley X Crankshaft	245	2,500	181

… Read the rest of the post...

Since June 2003 I have wired ~20 1UZFE V8 conversions into a variety of vehicles, most of which have been 2 or 4WD Hiluxes, with a Hiace van, Triumph Stag, Supra and Landcruiser thrown in for variety. This tally includes four full-on competition 4WDs in addition to my own cheap … Read the rest of the post...

SUPERCHARGER BRACKET FOR LS400 AND SC400
SUPERCHARGER KIT FOR 1ST GENERATION LEXUS SC400 & LS400

First Generation LS400 IS AVAILABLE NOW!

Here is the latest update videos of the 

Supercharged Lexus LS400 Video # 1
Supercharged Lexus LS400 Video # 2
Supercharged Lexus LS400 Video # 3
Supercharged Lexus LS400 … Read the rest of the post...

Recently my buddy called me sometime in the evening hours and asking me to order him a starter.  I told him, WAIT!  How do you know its the starter that is going bad?  He couldn’t answer me.  I was not trying to put him on the spot, but I didn’t … 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...