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Old 03-09-2015, 06:53 AM   #130 (permalink)
serialk11r
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Quote:
Originally Posted by Hersbird View Post
Lots of diesels are not direct injection and have a throttle body, this is also another place where it helps to know how engines are actually designed...
I'm just busting your chops, I'm not a jerk like some people on the internet.
Maybe you mean current US diesels and current US GDI motors. Maybe I didn't, either way, it's good to know we can communicate with each other respectfully.
Sorry, I suppose you are correct about indirect injection existing.

But throttles on diesel engines were only used briefly to cope with emissions and modern engines don't have them.

Either way, spark ignition engines need valve trickery to control the air if you don't want to use a throttle to do so since they can't run ultra lean.
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