Posted by MarkB_MI on February 27, 2019 at 04:41:49 from (174.230.16.122):
In Reply to: GMC Twin Six V12 posted by 37chief on February 26, 2019 at 17:54:46:
When I was in elementary and high school, our school district had a large GMC "pusher" (rear engine) school bus powered by a GMC V-12. This was the main bus used for transportation to out of town events and it must have had several hundred thousand miles on it by the time it was retired.
The V-12s were used a lot in our area (eastern Colorado) as natural gas-powered irrigation engines. They would pretty much run forever in this role.
The 305 V-6 Jimmys were pretty common in pickups and trucks. They really were a true truck engine: not much horsepower but gobs of torque. Note that these engines were 60 degree bank, not the 90 degree bank (with offset crank) you see today. They were not cheap to make, but had a pretty long run and were easy to service. Changing a water pump on a V-6, for example, was a 30 minute job, while changing the water pump out on a small-block chevy was usually a lot of work.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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