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  1. Y

    Lifter chatter?

    Is this lifter chatter? Need help diagnosing. 93 4.3 tbi. see link. Its as the rpm is dropping from approx 2k down to 1k.
  2. Y

    confused about cam and lifters 93 4.3 tbi engine

    Quick question about cams and lifters. my shadetree mechanic understanding is that there are mechanical flat tappet cams that use solid lifters and require periodic adjustment as well as high zinc oil hydraulic flat tappet cams that use hydraulic lifters that use oil pressure to keep valves in...
  3. Y

    noise when rpm drops from around 1900 to 1400

    93 k1500 4.3 tbi, I'm getting a playing card in the spokes kind of sound when my engine rpm drops through the 1900-1400 range. It sounds valve train related to me. Has anyone had this problem? Any advice/suggestions on how to pinpoint the exact cause and how to fix? Also, I get a valve or lifter...
  4. Y

    Need some help/advice front passenger side axle shaft bearing and seal

    93 rcsb k1500, I need to replace the roller bearing in front axle tube. I have the tube out of the truck. I have seen videos on web where people beat down on the flange to knock the axle shaft loose. Is that the best way to get it out, is there a snap ring or something that needs to be...
  5. Y

    cv axles and wheel hub bearings

    stock 93 rcsb stepside k1500 4.3 tbi 226k I am planning to replace my wheel hub bearing and cv axles next weekend and was looking for any tips/suggestions or any special tools that make the job easier. Is it best to replace both sides at the same time? It appears the cv axles are original and...
  6. Y

    rpo codes

    anyone know what these codes mean r8t r9z vxs
  7. Y

    can't get dist rotor to line back up

    I am replacing the distributor in my 93 chevy 4.3 tbi. I marked the base location and the rotor location against the firewall using a straight edge. When trying to install the new dist i can get the rotor just before my mark or just after it without problem. However, I can not get it to line up...
  8. Y

    step side to standard bed swap

    RE: 93 k1500 4wd step side , 93 c1500 2wd standard bed Will these beds swap over with no mods needed?
  9. Y

    rear/front differential fluid

    I planning on changing diff fluid and finding conflicting info as to if I need ls additive or not. 1993 K1500 rpo code in glove box is GT4. I do not see G80 anywhere on sticker.
  10. Y

    Repower suggestions

    whats needed to swap a 350 tbi into a truck with a 4.3 tbi.
  11. Y

    Normal sound? Exhaust Leak? Worse?

    I don't know what this sound is. If someone does please let me know. Basically, Idle is good no issues, ease into the gas no issues but, when i get on it I hear a thumping sound. 4.3 tbi, 217k . Attached is a video i made its kinda garbled at first the sound I am referring two is towards the end...
  12. Y

    First Chevy Truck

    New member, picked up a 93 k1500 4x4 4.3 tbi , 4l60e, 217k . It has a lot of new parts on it. Looks like its never been off road, no rust, straight body. I think it may be about to spin a bearing though we shall see.

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