How to Replace a Lexus & Toyota Water Pump/Timing Belt

Here is my version of water pump/timing belt replacement. I will focus mostly on the timing belt installation.  I think this is the most important step.  If you don’t do it right, the whole car would not run properly and it will be very time consuming.  It’s not fun to do the same job twice. … Read more

Twin Turbo Lexus SC430

This was the first Twin Turbo Lexus SC430 ever! I was talking to Carlos G. Ramirez  for a while now and he asked me few questions about TT on SC430. We chat for a while and final he email me some pictures of this truly Lextreme Machine!  Twin Turbo using Garrett 2835 turbo with fully … Read more

Lexus & Toyota Electronics Technical Index

Tutorials Engine Mods Forced Induction Body Mods Swaps/Conversions Miscellaneous Topics Climate LCD Display 1UZ Dyno Simulator How Torque Converter Work Lexus/Toyota Stand alone AEM Apexi Piggy Back How To Install Split Second FTC1 How to install a Stand Alone (Adaptronic) for LS400/Celsior How to install a Stand Alone (Adaptronic)for Soarer/SC400 How To Tune Split Second … Read more

Lexus-Toyota 1UZFE Engine Variants

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 many indicators as possible to … Read more

Lexus SC400 Exhaust Modification with 3″ Greddy Mufflers

This ride belongs to The Nguyen Brothers.  The little Nguyen with a clean SC400 and bigger Nguyen with a 2JZGTE Swap with 6 Speed.  One day the bigger Nguyen wanted more power and sound and decided to do some muffler modifications.  Initially, Tony Wanted to do dual 2.5″ straight from header on.  I advised him … Read more

Lexus & Toyota DIY Cold Air Intake System

The BFI (Big Friggin Intake) is simply a DIY Cold Air Intake System.  As far as I know, it was conceived and developed by Peter Scott, who resides in Aussie Land.  I studied his notes carefully to develop my own version of it. My hat is off to Peter for his dedication to the betterment … Read more

Lower Lexus V8 Compression – Decompression of 1UZFE

The first generation of 1UZFE engine has a static compression ratio of 10.4:1.  This compression ratio is perfectly fine for the natural aspirated function. However, for some horse power junkies, that is not a good compression for power adders.  Lower compression is a boost friendly setup, because lowering engine compression we can increase more boost.  … Read more

GS430 Piston Vs. Lexus LS400 Piston (1UZFE Vs. 3UZFE)

If you haven’t read the 3UZFE Rod vs. 1UZFE Rod piece yet then this article might not make too much sense. , I will try to compare the two pistons here. On the left we have a GS430 with 3UZFE piston and on the right we have 1990 LS400 1UZFE piston. From the measurements, the … Read more

Lexus LS400 & SC400 1UZFE Wiring Info

The below wiring data is being used in the audio and alarm industry for proper wiring.  The list below will help you finding proper wires for your electrical needs.  One of my friends own an audio shop and I saw this data.  I told him that I must have and members will get much benefit … Read more

Intercooled Vs. Non-Intercooled Lexus/Toyota Supercharger

There have been many debates between the issue of intercoolingand non-intercooling. Here are some facts based on Corky Bell’s bookcalled Supercharged!. Here is some interesting information you shouldconsidered whenyou plan to get a forced induction system. Before we start, here are some legends you should understand: + = Plus or Sum – = Minusx = … Read more