Can't answer all of your question but here is the current top 11 times.
FASTEST 4,000M INDIVIDUAL PURSUIT TIMES
4-10.534 World record
Jack Bobridge (Australia)
Sydney, Australian National Track Championships 2011
4-11.114*
Chris Boardman (Great Britain)
Manchester, World Championships final 1996
4-13.353*
Chris Boardman (Great Britain)
Manchester, World Championships 1996
4-13.399
Rohan Dennis (Australia)
Sydney, Australian National Track Championships 2011
4-14-427
Jack Bobridge (Australia)
Adelaide, Australian National Track Championships qualifying 2010
4-14.845
Jack Bobridge (Australia) Commonwealth Games record
Delhi, Commonwealth Games qualifying, Oct 5, 2010
4-15.015
Geraint Thomas (Great Britain)
Manchester, World Cup, October 2009
4-15.031
Bradley Wiggins (Great Britain)
Beijing, Olympic Games qualifying, August 2008
4-15.160
Taylor Phinney (USA)
Pruszkow, Poland, World Championships, March 2009
4-15.165
Bradley Wiggins (Great Britain)
Athens, Olympic Games qualifying, August 2004
4-15.223
Taylor Phinney (USA)
Copenhagen, World Cup, February 2009
* Set using the Superman position, which has been banned
I think the fact Bobridge has 3 of the top 6 times says a lot.
And just an aside. The best conditions for a bike and rider cutting through the air .... are not the best conditions to breath and get the maximum amount of air in your lungs.