Recent content by Doctor Diesel

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    Let’s Play “Is it motor oil or ATF?”

    Answer: ATF This is out of the 4L80 in the K2500 Farm Truck with a new life. This fluid had a life of dirt and heavy pulling. Before I changed it out I sent an oil sample to CAT and let’s say it wasn’t good. The only thing going for it was “normal” amounts of friction material so I know the...
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    Old Farm Truck Gets A New Lease On Life

    I knew I forgot something! Here’s a few body shots and the engine. Its here in Virginia so the only big deal rust is the classic rocker panels but even still here not as bad as I’ve seen before. It started life in a horse farm then moved to the sod farm and was painted this god awful bronze...
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    C3500 diesel vs 454… towing

    Screw it. Stuff a baby DDTwo stroke in heryoull get an undestroyable engine, roll big coal, use cheap straight weight, rattle windows for a half mile and get to pita sweet Dirty Idle sticker on it. Oh, and a TS DD will burn literally anyone oil you feed it for fuel. Waster motor oil? Filter with...
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    Keeping interior cool

    I’m n my system, i plumbed in a coolant filter. The bas has two ports for inlet and two for outlet. using a electric valve, I can shunt coolant from the heater inlet hose, through the filter and out the return hose. When it comes time to need heat three months out of the year, I flip the switch...
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    Vortec Resonator Box (Random early morning thoughts)

    Bit late to the party but my background might help. Smooth or laminar airflow is ALWAYS preferred for flow of any liquid (Yes, air is considered a liquid in This case). A laminar Flow or turbulent Flow depends on the liquid viscosity, density and it’s Reynolds Number. Laminar flow is...
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    Old Farm Truck Gets A New Lease On Life

    I acquired a 98 K2500 8600 GVWR from a local sod farm. I dropped a boneyard Windsor in another of his trucks and this truck was my form of payment. I’m moding heavily along with morphing it into a custom service truck Also known as a money pit.
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    99 K3500 454 overheats under throttle

    Bit late to the party. I’ve had many a truck, gas and diesels, come into my shop with this EXACT same issue. 90% of the time it’s two issues, either the radiator/condenser/coolers are plugged and/or the cooling system has never been serviced. Here’s what my guys will typically do: Theyll...
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