Dumb Diesel Turbo question.

Submitted: Sunday, Mar 09, 2008 at 18:36
ThreadID: 55367 Views:2985 Replies:8 FollowUps:11
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We have always had petrol powered vehicles, but for the past six months or so have had a diesel, it is a common rail, 3 litre turbo.
I have read a few posts on this forum about some of these turbo being noisy but we don't seem to have that problem.
NOW THE DUMB QUESTIONS!! What does a turbo do? What sort of noise does a turbo make? What is meant by the turbo spooling? At what RPM does it start doing what it is designed to do. & if you have an inter cooled turbo what does that translate to compared to one that is not inter cooled.
Yep, I'm fair dinkum ( can I quietley sneak back to my kennell?)I do know that inter cooled turbo increases the power of the motor by (I think) sort of force feeding the fuel, but would just like to understand a bit better the principles behind it.
I think I will have another beer now & sort of wait for the flak I maybe deserve. Hopefully SWMBI will call me for my dinner soon & save me from embarrassment. Cheers
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