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  1. M

    Sudden oil leak on recently rebuilt engine

    Last Thursday night, while driving back home, I crested a mountain pass at about 4,400 elevation after about 2,000 foot climb. I had not pushed the truck hard on the uphill portion, but did down shift to 3rd and maintained about 60 to 65mph. I was coasting down the opposite side of the...
  2. M

    GMT400 4L60e to T56 swap write up *dialup warning*

    My question is coming from your previous comment about not having a creeper gear. How is the conversion any different than the stock automatic as far as gearing is concerned? The standard automatic doesn't have a creeper gear either, unless you count putting it into 4-Low, which is why your...
  3. M

    GMT400 4L60e to T56 swap write up *dialup warning*

    Does that kit eliminate the two speed transfer case, forcing you to lose low range 4 wheel drive? It's not like I trying to tow 10,000lbs or more with my half ton truck, just 5,000 to 6,500lbs I'm guessing.
  4. M

    Looking for performance tuner in Northern Calif., or Southern Oregon

    As the thread title says, I'm looking for someone who can help tune and further modify my 1997 GMC K1500 truck. I've recently purchased a rebuilt 5.7L/350cu.in engine with a stroker crankshaft, giving me 383cu.in displacement, and the engine builder added aluminum aftermarket heads (I'll need...
  5. M

    GMT400 4L60e to T56 swap write up *dialup warning*

    What are the "other options" for 4 wheel drive model transmissions (1997 K1500)? Looking for the best options for towing with a 383 stroker engine, to get great towing, and reasonable fuel mpg and rpms that aren't high and too noisy when not towing anything. Can any modern transmissions be...
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