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  1. JDGMC

    Groaning steering (lots of creaking while turning wheel) video

    Fuel, Brake, transmission, and coolant lines should definitely be first on the list if the amount of rust under the truck is GTE the weight of a Chihuahua.
  2. JDGMC

    Is this stuff ok to use on ICM

    For example, an MSD module w/wiring harness to couple to an MSD distributor. You could purchase the wiring harness only to add on to your existing wiring. It’s hypothetical provided you can find that type of setup for your truck with the right connections. Hope that makes sense.
  3. JDGMC

    Cracked, NEW AC Delco water pump

    That looks like a stress fracture. Someone may have used that area for leverage. If not you then the person who owned it before you and returned it.
  4. JDGMC

    Groaning steering (lots of creaking while turning wheel) video

    You should be able to pinpoint sound by feel when turning the steering wheel. Put your hand or a stethoscope over every joint. You’ll find it.
  5. JDGMC

    Is this stuff ok to use on ICM

    Make your own wiring! You can always start with wiring that’s avail for performance module upgrades. Regarding location - anywhere is better than the lava bed it sits on now.
  6. JDGMC

    Is this stuff ok to use on ICM

    This will work just fine. Focused on the thermal compound properties. Thermal Conductivity index Effective temp range Long service life (stability at high temp) Application Technique (uniform, thin set 25um) The difference between dissipating heat from a CPU or GPU vs. an ICM is the...
  7. JDGMC

    What compound orings are the best for 220 tbi injectors?

    Viton - high temperature is the driver.
  8. JDGMC

    What tool out of everything you have do you regard as your best investment.

    Not well with moldy grass bonded to metal.
  9. JDGMC

    What tool out of everything you have do you regard as your best investment.

    I was never satisfied with the results of using a screwdriver or putty knife to clean out all that moldy/caked grass from under my TORO Flex Force Turbo 40 in. Lawn Mower - until today. The 4800 BP Ingersol Rand 125A Needle Scaler may now be one of my best investments.
  10. JDGMC

    Steering box

    Have you considered sending your box out to be rebuilt? Depending on what’s worn (hard parts, bore, or bearings), it may be a viable option. If you select a place that also sells new boxes you can always purchase a new box if they tell you the old one is toast + they already have the core...
  11. JDGMC

    Fuel pump

    Remote troubleshooting in this forum can be challenging. Limited physical access and the person's ability to describe the problem with the minimum information required to start the process can be a problem in itself. The what, when, where and conditions are likely not available in the post for...
  12. JDGMC

    "A Forgotten Relic: A GMT400 Tale"

    Thanks. A bit wordy, but then again I would rather wrench than write about it. Ideally, get the young ones to hone their skills in something that’s a challenge and very satisfying.
  13. JDGMC

    "A Forgotten Relic: A GMT400 Tale"

    A large family gathering this evening by the lake where the elders come with short stories to inspire the young. This is my piece. Let me know what you think and by all means, please provide suggestions or additional content. Thanks. "A Forgotten Relic: A GMT400 Tale" It all begins when Jack...
  14. JDGMC

    Can anyone help me identify this truck?

    AI has much better grammar.
  15. JDGMC

    Can anyone help me identify this truck?

    It really doesn’t help. What exactly is a “vehicle template image”? For what purpose? The vehicle appears to be registered to a veteran. Where are you located? In the US?
  16. JDGMC

    Is this a problem in the tune file

    Also, post a picture of your spark plugs.
  17. JDGMC

    Can anyone help me identify this truck?

    What is your relationship to this truck? Owner, son, grandson? it’s a 1984 Chevrolet K30 Scottsdale or Silverado, 4WD, 6.2L V8 Diesel. Take pics of the interior and we can identify which package it has.
  18. JDGMC

    305 Is a Turd Correct?

    Is there something wrong with the short block? If not, you can upgrade heads, cam, and intake - costs the same as a 350 upgrade. With a decent upgrade, you could get an additional 125 hp out of it. If the short block is toast then start with a used 350.
  19. JDGMC

    I am restoring a frame, what are the frame dimensions in my Tahoe?

    CK10706 - Tahoe Classic 4DR 1/2 TON. Good Luck
  20. JDGMC

    I love plastic engine parts!

    The diamond cut insert is fine with a mold set process. The problem is the composition of the composite cover. In general, the CLTE for most plastics is 6-10 times greater than metals. If GM spent a few cents more on the insert and the plastic, there would be no issues.
  21. JDGMC

    Front diff need modifier?

    Acetone or Brake Cleaner will not dissolve/clean heavyweight oils/sludge efficiently. Use a degreaser.
  22. JDGMC

    I love plastic engine parts!

    Btw if you run your truck hard the plastic will not hold up either way.
  23. JDGMC

    Low voltage at fuel pump

    What are the wire colors of the truck harness? The connector is on top of the frame rail. The picture shown is the fuel pump wiring.
  24. JDGMC

    I love plastic engine parts!

    Buy a cast aluminum timing cover as a backup. Once you have it in hand have at it. Make a wedge by grinding down a flat piece of metal or other material with a slot that is thin enough so it just fits under the bolt head tight. You will have to tap it on. Then Slowly loosen the bolt. If you get...
  25. JDGMC

    93 305 Rough Start Up

    What model truck? Transmission? check engine light? Fuel filter age? Injector spray pattern? Strong spark?

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