O'Gara is glowing in his assessment of the culture that coach Scott Robertson has developed in Canterbury, telling Andrew Gourdie and Jim Kayes that it's a stark contrast to that of European club teams.
"We are going well, but I think it is a group as opposed to just the team," O'Gara said.
"The preparation in the Crusaders - that is interesting. They practice what they preach, and their actions back their words.
"It is a very positive, engaging and respectful environment. Culture is the key word at the moment and you have to understand what that is and be true to that.
"Everyone drives culture at the Crusaders, which is a huge point of difference.
"Their humility is good, they're respectful and their values are good and their attitudes are great. It has been a fascinating six months with the Crusaders."
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O'Gara said the competitiveness among the squad leaves no room for complacency, with all squad members in the running for a spot against the lowest-ranked quarter-finalist.
"We need everybody on-board and sometimes clubs say that but don't do it," O'Gara said.
"Razor [Scott Robertson] has been changing his selections to make everyone feel valued and wanted and that is important.
"We have a competitive group and some guys might not be happy they won't play this week.
"We have good competition for spots, but you can't beat the All Blacks' quality coming back into the team - but in saying that, it doesn't guarantee anything.
"After three months you wonder if this is going to maintain or sustain in terms of appetite for improvement.