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2 questions
9
votes
3
answers
5k
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3 rings vs 4 rings pistons: which design is better?
The engine I'm rebuilding (Skoda Estelle/120, 70's, RWD, rear mounted engine) was manufactured with two different pistons, depending the fabrication years: one piston kind has 4 rings and a cut from ...
11
votes
3
answers
18k
views
Why don't all diesel engines have throttle plates?
I learned recently that many older and some newer diesels don't have throttle plates to control airflow. I was also quite shocked to learn about a condition called diesel engine runaway. Apparently ...