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LI_BENTLEY

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Posts posted by LI_BENTLEY

  1. Look at March 1 entry blueprint of engine  # 60 spring on front of cam returns cam to normal run position, may take A turn of crank to get it to work.  You should feel resistance when lever turned to front of truck, if so cam is moving.  If no resistance cam is forward but should go back when engine turned over.

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  2. 19 hours ago, Bloo said:

    Buick and Chevrolet started out in the early days of the car with overhead valve engines, never made anything else, and had been advertising for years that it was an engineering advantage. They didn't breathe better or have higher compression, even though both were technically possible. The fuel octane and the RPM limits imposed by the engine lower ends of the time made that irrelevant. Overhead valves also made more noise when "smooth and quiet" and "you can hardly hear it running" were huge selling points. By the mid 30s it was pretty clear that there was no performance benefit to overhead valves in an ordinary car. At that time almost all new engine designs were flatheads. Buick and Chevrolet had the last laugh though when high octane gas came along and the horsepower race took off. Almost overnight the tables turned when overhead valves proved to be the way forward.

     

    Buick made flat head engines, this is a normal error.  See model 5.

  3. For you non White folks the single plate clutch utilized a steel driven disc with the friction material on the driving part ie the clutch housing and pressure plate. Just the opposite of a modern clutch we are used to seeing, yes Whites are different.  I use automatic transmission fluid in my car.  Has been ok for 35 years so think is good to use.  The book says the friction disc is saw steel and the friction material is .125" thick.

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  4. 10 hours ago, 13White said:

    I agree completely with all of this, but I have to add that although the transmission cases are the same, aluminum and cast iron, the Model 15 3/4 ton trucks have 3rd gear direct, and 4th gear overdrive, the same as the cars.  The 1 1/2 ton model 20 truck transmission looks the same but 4th gear is direct and no overdrive. 

    The cases are the same dimensions the 3 direct gears will drop into a 4 direct case nice cost effective was to obtain overdrive in a 4 direct car or truck.  There are more 3 direct transmissions around than 4 direct.  Can tell appart because they are stamped on front mount, 3 D or 4 D.

     

     

  5. To a restate an entry I made in the technical forum under 1917 White.  White NEVER, NEVER made a car or truck with a progressive shift pattern.  Unless you say the shifting into reverse is progressive because you get into reverse by shifting into 1st then continue to reverse and have to come beck through 1st to return to neutral.  When in neutral you can select any of the 4 forward speeds without going thru any other gear, so it is a selective transmission.  On a progressive transmission you have 1 neutral and usually go back for 1st then forward thrugh neutral into 2nd then forward into 3rd.  To down shift you return into 2nd then back to neutral just like a foot shifted motorcycle. 

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