Must Read if you have the fs9 version of the 337

I have the fs9 vertion of the Carenado 337 and I noticed that it came no where near the cruise performance on the climb chart(it was only cruising at around 120-130 knots at max cruise power) and it climbed slightly slower than it should at max gross weight. I went into the CFG file and changed it to being turbocharged and made the max manifold pressure 37(which is full power with a real c337h) and made the critical altitude 1 because I wanted it to be non-turbocharged. When I loaded the plane It came very close to the cruise speeds but high power settings were slightly slow and low power settings were slightly fast but those are the limitations of Microsoft flight sim though the cruise speeds came within +/- 10 mph on average but did vary as much as 20 mph at some power settings. and I also noticed that the climb performance was slightly to high because it climbed at around 1300-1400 fpm at max sustainable power but it is now able to climb to its service ceiling of 18,000 and even made it to 20,000 and probably could have gone another 1000 feet which may not be possible though the OAT was colder. And the single engine climb rate was at exactly 300 fpm and this is the actual single engine climb rate of the real aircraft. I also noticed that fuel flow was too high so I adjusted the fuel flow scalar to 0.7 instead of 1 and the fuel flow rates were very close to what the cruise charts said. But when I went to do this I figured out that the game changed the engine data from 210 to 300 hp and cylinder displacement from 60 to 91.67, changed the starter torque, and changed the max rpm from 2800 to 2700 and made the plane non turbocharged and the plane achieved 28 hg manifold pressure like it did originally(which is unrealistic) It also added ".0000000" to the end of the engine data numbers. I don't have a problem with it making the engine data incorrect if the plane flies correctly but I would be interested to know why it changed the engine data. I can give you a copy of my cfg if you are interested. I beleive the cruise speeds were an issue because carenado might not have changed the CFG very much when converting it for fs2004 and released it without addressing this issue. And I have seen videos of the fsx version and it seems like it cruises correctly. I don't understand why the cruise speeds were this far off because all of my other aircraft from them came pretty close to the actual cruise specs. All of my tests were done at Gross weight and at standard pressure during winter in the sim. And I made sure I converted the TAS in knots to MPH and I got the TAS from the ground speed on the carenado garmin 530