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  1. W

    91 3fe o2 sensor locations

    In an effort to get my 91 running as good as it can I want to install new o2 sensors. The problem is the PO had a "custom" exhaust made and removed the o2 sensors in the process. I have located one of the plugs, but am having a hard time finding the other. I have new sensors and weld in...
  2. W

    Need to install O2 sensors, in aftermarket exhaust with no clue where or how

    I have a 91 I purchased with a blown head gasket. I am putting that back together and looking over how to desmog it only to discover I have no O2 sensors. From the reading I have the done the 3FE will run without them, but not as well. The PO had the exhaust cut off not far behind the...
  3. W

    3FE head bolt torque spec/sequence please

    I finally got my head back form the machine shop after blowing a head gasket and am ready to put it back on. Only problem is (other than not being able to find a 13x1.75 tap) is I can not find the torque specs or sequence for the head bolts. I am sure it is here somewhere but after a couple...
  4. W

    Heater core help please

    Short story long I took all the necessary parts out of the my 91 to get my heater core out to be repaired. It was too bad to be repaired so I had to get another. Found one on here, picked it up, it checked good and now something like 2 months later I am putting it all back together. My...
  5. W

    91 FJ80 heater core

    Like a lot of you my heater core is leaking. I pulled it out to have it repaired (unless something has changed it seems there are no NOS or aftermarket units available) and my radiator guy said it was so far gone it was not repairable. He is currently looking for one with similar dimensions...
  6. W

    New guy with a 3fe and blown head gasket looking for advice

    Hello all first time posting, short time lurker. Thanks for the great site. Let me preface by saying I am no mechanic but I have rebuilt a couple engines, transmission and transfer cases and have installed several lockers and gear sets. No mechanic, but I am familiar with wrenching on things...
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