Originally Posted by jippii ensio
If lag would not affect drivability, cars would come with big turbos from factory (also enabling smaller engines - better MPG). Quick response is the only reason for mass market and manufacturers preferring small turbos.
Not sure how to interpret what your saying in response to my comment.
I said the short answer of a big turbo increasing lag is yes, but that if properly sized it won't adversely
Yes or no question doesn't give the full picture. A turbo that goes full spool at 1500 rpm probably won't feel too much different than one that comes full spool at 2000 rpm in terms of drivability even though the second turbo has more 'lag'.
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