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Recent content by kraut83

  1. K

    Changing the Harmonic Balancer Questions any advice or comment?

    I put a fluidamper on 3+ years ago and will never look back. Truck runs much better than before. I had a shop available so I welded together a longer bolt to do the pressing then installed a new bolt for the final torque down. I did have the motor out and replaced any rubber part I could get...
  2. K

    High rpm rythmic vibration, mid rpm hum.

    Last update and I'll call this officially closed. Installed a new switch in the back of the motor passenger side. I've now put 100 miles on it and it drives much better. It's especially noticeable going up and down hills. On start up the idle is high, after its warmed up the idle drops down...
  3. K

    High rpm rythmic vibration, mid rpm hum.

    You sir have a good ear. Got the belts back on and unplugged the top plug on the IP green wire. The solenoid that's attached to the throttle cable arm and it runs significantly better. I have one from the old motor. How do I test if this one is good? Also on the chance the other one is also...
  4. K

    High rpm rythmic vibration, mid rpm hum.

    So turns out the psi Guage I have is for lower compressions. The book I have on the 6.2 said I could do a power balance test. All the cylinders warmed up do drop the engine idle down the same amount. I did notice my alternator belt is slapping the coolant hose guard. Regarding the cold...
  5. K

    High rpm rythmic vibration, mid rpm hum.

    I have. I removed it once to check the u joints a year or so back found out the hard way it only goes on one way.
  6. K

    High rpm rythmic vibration, mid rpm hum.

    The clacking was actually new. I've never heard that before. It only lasted about 10 sec and it hasn't come back or changed how the truck behaves. The rhythmic vibration is what I've felt before. I can definitely do the compression test. Never done a leak down before, I'd have to do some...
  7. K

    High rpm rythmic vibration, mid rpm hum.

    Hell yea! Thanks! I have a tendency to listen and try to catch anything a vehicle is telling me about. I dont want to be stranded if I can help it. This one has a lot to say, that's for sure haha.
  8. K

    High rpm rythmic vibration, mid rpm hum.

    Fair enough. Not the perspective I was giving it. The motor I believe was 85 btw.
  9. K

    High rpm rythmic vibration, mid rpm hum.

    No lie, I might be a bit angry if this little plastic part is causing that vibration. I guess even in the 80s they took shortcuts and used cheap parts. My lady had a Buick a few years back and had a coolant leak because of a plastic elbow, the aluminum one was only 2 bucks more ffs...
  10. K

    High rpm rythmic vibration, mid rpm hum.

    I tried to record the noises while driving to work. I can hear them on the file I have bit haven't verified if it translated to YouTube yet.
  11. K

    High rpm rythmic vibration, mid rpm hum.

    Never occurred to me I could start it with out the belts I'll definitely give that a try. I did put the wing nuts on a little less tight than normal last time so I'll tighten them up too and see what happens. Also just now realized I missed the reply about the rocker arm keeper button. I'll...
  12. K

    High rpm rythmic vibration, mid rpm hum.

    Tires look good. Front axles spin freely. Took the front down to the king pins a couple of weeks ago and regreased everything and replaced the cones that sit on the king pins. The trans mount was replaced along with motor mounts with the new motor instal. Ill check for looseness this week...
  13. K

    High rpm rythmic vibration, mid rpm hum.

    So I did some searching and so far have not found anything that sounds quite like what I'm experiencing. What I'm hearing and feeling are 2 different vibrations that happen at high rpm in drive or neutral. The first happens right around 40-45 mph (sorry no tach) then the other starts from...
  14. K

    M1009 Harmonic balancer

    I'm definitely one of those unlucky ones that had a bombed motor due to a faulty harmonic balancer. Put a new motor in the beast with a fluid harmonic balancer for peace of mind 5 years ago and I'll never look back. Replaced every other bit of rubber while I was at it. I don't think about it...
  15. K

    Sounding board towing question

    Yea thats part of why we went with the 4701. It's got a slightly larger frame and wheel base. Also went with r4 fluid filled. Can max out the FEL before it gets unstable. It's a bit of a confidence booster knowing you don't have any issues pulling that. How bad is it on grades? I was...
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