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Blow-By Reservoir Keeps Engines Clean
George Muth keeps a clean engine, thanks in part to his Blow-by Reservoir. Without it, blow-by oil collects under engines, drips onto roadways and collects at intersections.
    “I used to see the oil under my engine and look for a leak,” says Muth, a professional trucker. “I would change out gaskets and seals, and the mess would come right back.”
    Realizing that it was the blow-by oil from the breather tube, Muth worked on a solution. What he came up with was two aluminum canisters with a hose from the breather tube outlet at the valve cover to the first and largest canister.
    “We can retrofit them to any large engine from farm tractors and construction equipment to semi-tractors or anything else,” says Muth. “People that have them really like them.”
    The pressurized oil and air enters the first canister and passes through a series of baffles with alternating size holes. As it cools, the oil condenses, and 85 to 90 percent of the oil falls to the bottom. The air still containing minute traces of oil passes into the second chamber and through a washable filter that traps most of the remaining oil.
    “By the time the air exits the second chamber, the system has captured between 98 and 99 percent of the blow-by oil,” says Muth.
    Oil captured in the second and smaller chamber drains back to the first. A dash-mounted warning light notifies the driver when the larger canister needs to be emptied.
    “I empty mine at every oil change,” says Muth, who runs a 400 Cummins diesel over the road. “Normally you’ll collect less than 16 oz. of oil per oil change.”
    Muth designed the 6-in. diameter canisters for easy maintenance. A manual drain is installed at the bottom of the 32-oz. capacity, 16-in. long reservoir canister. The second canister containing the washable filter is 9 in. long. A smaller system with 4-in. dia.canisters is available for pickups. That reservoir is 9 in. long, and the filter canister is 6 in. long.
    Muth says the systems are very durable. He has one that has been on an older truck since 1998. He has only replaced the float in it once, and that was due to the wire on it corroding from exposure to road salt and weather.
    “They are easy to install,” he says. “Everything is included in the kit except a hose from the valve cover to the inlet on the canister and wire from the float to the warning light on the dash.”
    Muth custom fabricates systems to order. The price for the larger units runs from $400 to $500, depending on the cost of aluminum. A pressure gauge for crankcase pressure is available as an option.
    The Blow-by Reservoir can also save money and time, acting as an early warning system. He cites several test trucks where the reservoir filled too quickly and problems from a blown piston to a cracked block were found.
    Contact: FARM SHOW Followup, George Muth, 36550 Bailey Rd., Pomeroy, Ohio 45769 (ph 740 591-4229; gmuth@eurekanet.com).


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2013 - Volume #37, Issue #4