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Feature Tech Articles

Land Cruiser E-locker Regearing the Land Cruiser Electric Locker
Once I made the decision to swap a solid front axle onto my 2001 Tacoma, I knew I wanted a selectable locker. For this project I wanted something with a little more 'yota in it. I chose the high pinion electric locker from the front of a full size FZJ80 Land Cruiser. Here are some great pictures and text provided by Zuk showing helpful tips on how to setup gears in the high pinion electric locker.

p10.gif Portable Onboard Air Installation
This article describes an onboard air setup that is inexpensive, versatile, and portable. If you your 4WD is a daily driver and you don't want to permanently give up the space required for an OBA system, and you want to keep your A/C compressor, this will give you great ideas on how to build your own portable OBA system.

picture2.jpg Versatile Hardmount Onboard Air System
With proper preparation, designing and installing a versatile onboard system that looks as good as it performs can be quite rewarding. Using common parts, this article walks through a well-designed OBA system which integrates well with the vehicle, while maintaining options for future expansion and uses beyond airing up tires.

blackb2.jpg Project Black Bean OME Suspension
Bill Morgan recently purchased a Toyota Tacoma to relieve his rockcrawling 4Runner of daily driver duties. Of course, Bill being a gearhead it wasn't long before he started making plans to modify the new truck, dubbed the Blackbean. Bill starts the modifications this month by adding an Old Man Emu suspension for increased ride height and an improved ride.

Turn Signal Relocation Toyota Tech: Tacoma Turn Signal Relocation
If you want to trim away some of the Tacoma's front bumper for additional clearance, or add an aftermarket bumper, the front turn signals will need to be relocated. Moving them to the side marker lens is a simple and quick solution. Included are part numbers and some detailed photos. This modification replaces the bulb socket and adds another filament so the existing parking light housing will also hold the turn signal.

Amsoil Bypass Filter Toyota Tech: Amsoil Bypass Filter
I installed the Amsoil Bypass Filter Kit # BMK-13 to get better filtration and an easy way to get to the filters when it's time to change them. The hardest part of the installation was welding the bracket to the frame, and routing the hoses so they wouldn't wear from vibration.

3.jpg 22R Camshaft Install
Josh Carlson (aka Arbitrary Notion) is an active member of the 4x4Wire Bulletin Boards and it constantly looking for ways to get more power out of his 22R motor. After extensive engine modifications the next step in Josh's quest for power involved installing a new custom ground camshaft from Engnbldr. Read on to learn how to install a new camshaft in a 22R (or 22RE) motor.

o2_sensor_frequency.jpg Understanding OBDII Engine Systems and Fuel Mixture Control
When the Check Engine Light comes on due to the fuel mixture related error codes P0171 and P0172, or your engine is just not running like it should, the oxygen sensor and the Mass Air Flow Sensor are common suspect items. They do work closely together in performing their function, but without additional information on exactly how they do their job, it can be confusing to determine which might be at fault. This article will examine the role these sensors play, along with the Main Engine Control Unit to maintain proper fuel/air mixture control.

R151-pass.jpg Overhauling the Toyota/Aisin R151F Transmission
The Toyota / Aisin R151F 5-speed transmission is a stout unit, but like all things mechanical it may need a rebuild if neglected. This article offers numerous tips on rebuilding the R151F, and is a great companion to the FSM process.

Tacoma Speedometer Recalibration Speedometer Recalibration
After adding larger tires or lower gears, the Dakota Digital Universal Signal Interface provides a way to recalibrate your Toyota's speedometer. The value in using this unit is its ability to allow for future changes. The speedometer corrections are accomplished by moving dip switches based on some simple calculations and the values in their table, so the unit will not become obsolete by a new tire size.

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Toyota 4x4, Toyota 4WD, Toyota 4Runner, Toyota Land Cruiser, Mini, Toyota T100, Toyota Tundra, Toyota Surf, Toyota HiLux, Toyota Tacoma Section on 4x4Wire