Cooling RSS

2020, Cooling, Dyno Tuning, ECM -

HIGH PERFORMANCE DIESELS Auxiliary coolant tanks, we have talked about this several times on the radio show. It’s a cooling solution only to be used when a larger radiator is not available.  I invented this system back in the early 1990’s for the Big Cam 4 low flow cooling engines.  We have used it several times on motorhomes and other trucks with poorly engineered radiator systems.  It’s quite simple, you purchase a small air tank for a semi truck and mount it in the frame rail near the transmission.  Locate the pipe plugs in the coolant system of the block...

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2020, Catalyst, Cooling -

It’s that time of year again, winter is over, and our trucks have suffered from the ingestion of road salt (sodium and magnesium chloride) spray into the radiator and air filters. The road spray that comes off of the tires of the vehicle in front of you is highly corrosive and accumulates on the fins of the radiator and in the air filter.  The tubes take the heat out of the coolant and the fins take the heat away from the tubes.  Without the fins the radiator will not cool the antifreeze.  The radiator shroud enables the fan to draw...

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2019, Catalyst, Cooling -

Do you think all radiators are created equal and built to the same specifications? Please don’t ever think that. Original equipment radiators are built to the minimum requirements because the average grade in the USA is 3%. Can you believe that? An OEM engineer told me way back in 1992 that they only had to spec a radiator to control coolant temperature for a 3% grade. I asked him if he has ever traveled outside the state of Texas, and all I got was a cold stare. Even though he was older than me, I knew a lot more about...

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2018, Big Cam Cummins, Cooling -

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2018, Cooling, Diesel Force, Emissions, Oil -

Modern Miracles   BY  BRUCE C. MALLINSON Chemical Engineering has come a long way during my working career. Back in the 1950s, anything made of plastic was usually of very poor quality. We only had black electrical tape, masking tape and scotch tape. Silicone sealants were almost nonexistent. Whoever thought there would be double-faced tapes that could hold panels on trucks and trailers without rivets and screws by the late 1990s, let alone what we have today in chemicals and plastics. The Cummins Engine Company came out with a chemical that would eat the carbon off an injector plunger while...

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