Welcome to our Technical Information section. Here you can find technical articles, installation documents, and some frequently asked questions. Use the buttons below or the links in the sidebar to view articles for certain categories. Feed your brain with knowledge!
Introduction Donor Information Donor Parts Donor Application Information Workflow Disassembly Oil Pan (ORS-EC089, EC090, EC091, EC092, EC092) Engine Preparation Exhaust Off Road Solutions Exhaust Crossover Pipe (using OEM manifolds) (ORS-EC070xxxx) ORS 3.4L 5VZ-FE Performance Header Set (ORS-EC077) Transmission Prep, When Using Donor Transmission Gear-drive x A340F Adapter Install (MAR-MCTC-133) 5VZ Automatic Transmission Oil Pan Frame […]
Standalone Wiring Harness Installation Instructions 3.4L 5VZ-FE and 2.7L 3RZ-FE applications *****NOTICE TO CUSTOMER: If there is a problem suspected with the wiring harness, call ORS. DO NOT cut, alter, or dissect the ORS conversion harness. ORS accepts no responsibility for a harness that has been tampered with. Please read all instructions before beginning work. […]
Install Instructions Conversion Wiring Harness, 85-95 22R-E and 3VZ-E applications 3.4L 5VZ-FE & 2.7L 3RZ-FE Engines *****NOTICE TO CUSTOMER: If there is a problem suspected with the wiring harness, call ORS. DO NOT cut, alter, or dissect the ORS conversion harness. ORS accepts no responsibility for a harness that has been tampered with. If wire […]
Installation Notes Install one adapter into the steering gear or the ABS actuator (if equipped). If using the ABS actuator, the provided gasket is installed between the adapter and the ABS actuator as a seal. If installing the adapter into the steering gear, be sure the gold-colored compression fitting is in place, inside the steering […]
[toggler title=”What parts are required in addition to the ORS harness to complete an EFI swap?”] A required parts list in included with our instructions: 85-88 P/U & 85-89 4Runner EFI 89-95 P/U & 90-95 4Runner EFI [/toggler] [toggler title=”What information is needed to order an ORS EFI Conversion Harness?”] Donor (22R-E) vehicle: VIN#, Year […]
[toggler title=”Why is ORS’s kit better than the competition?”] Our competition does not include new wheel bearings in their manual hub conversion kits. Contrary to what is said, these bearings are NOT re-useable and must be replaced for safety when doing this swap. Our kits also come with the large snap rings that retain the […]
[toggler title=”Does it matter if the donor parts are all from the same vehicle?”] Yes, we recommend that all donor 3.4L parts are from one vehicle. Toyota made many small changes from model to model and year to year. Matching an ECU, engine harness and related sensors from different vehicles is possible but can be […]
Transfer Case Modification Shift into 4HI. Remove stock shifter, and t-case from vehicle. Remove steel cover, or shifter base from top of t-case. Carefully drive out the roll pin in the left side shift rail. Be careful not to drop this pin into the case. Grabbing the pin with needle nose locking pliers can help. […]
Modifying the T-case Remove the shifter, speedometer wire, and unplug other indicator wires from case. Remove the t-case from the vehicle, after draining. Remove the 30mm rear output nut. Remove the 5 bolt tailhousing. Remove the snap ring on the rear bearing. And take out the 12 8mm holding the case halves together Remove the […]
