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4 sty 2023 · I just have assembled my engine after major overhaul, including boring of cylinders and have to decide what engine oil I am going to run. It is a 1953 Willys Overland Jeep CJ3B with an F134 engine. 4 side valves and 4 overhead valves, with flat tappets.
21 lip 2024 · For a Willys Jeep with an F134 engine, the service manual specifies the use of SAE 30 or 10W-30 oil when the temperature is not lower than 32°F (0°C). If the temperature drops to 10°F (-12°C), SAE 20, 20W, 10W-30, or 10W-20 is recommended.
15 lut 2016 · The Pennzoil oils with an API SM rating will have the reduced zinc content (800-850ppm) while those such as the Pennzoil Outdoor Motorcycle Motor Oil in both SAE 10W-40 and SAE 20W-50 with the API SH will have 1100-1200ppm zinc.
There are two important things you should do. First stick to the SAE weight specified in the service manual. The weight of oil you use in anything depends on the engineering requirements for the operating temperature of the oil. So the hotter you run the oil, the thicker it must be.
18 gru 2015 · I couldn't find anything in a search of the site to do with lubrication capacities, so I thought I would post this as a consolidated set of information. It comes from the Willys Mechanic's Manual, Technical Publications Section Service Department, Willys Overland Motors.
9 cze 2005 · Nov 15, 2009. #1. A friend of mine owns a WWII Willys MB Jeep with what he calls "the Go Devil 134L" engine. He has owned it for years and it has always exhibited poor cold starting ability. Sometimes he just can not get it to start at all, usually in colder temps closer to zero Fahrenheit.
I was wondering what is the recommended engine oil to use in a 47 CJ2a? I'm currently running a decent quality 15W40, I see about 30psi at idle on a hot summers day and about 60 psi at ~45 mph. Is this typical for a healthy engine, it was higher than I was expecting.
