Quote:
Originally Posted by foggyjames
I think that's exactly what Mike is saying - when you've got a lot of air involved (hence why smaller turbo cars often don't have CBVs or BOVs), it can "back up" pretty quickly once you snap the throttle shut with a head of boost built up. The compressor tries to stall, which puts a massive load on the turbo shaft...wearing the bearings faster, and potentially resulting in a snapped shaft (seen a couple like this).
cheers
James
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thanks James and Ross, i dont know how to quote 2 posts, so i chose the first reply to my question as the quote.
cheers for enlightening me.
my very limited knowledge is slowly growing.
edit.. while im at it, is impeller chatter due to a malfunctioning recirc valve on a T5 bad news then and will wear the turbo shaft/bearings prematurely ?
wayne