diff --git a/Engines/trent_xwb.xml b/Engines/trent_xwb.xml
index b82fab7..e4b2d7d 100644
--- a/Engines/trent_xwb.xml
+++ b/Engines/trent_xwb.xml
@@ -12,14 +12,14 @@
 -->
 
 <turbine_engine name="trent_xwb">
-  <milthrust> 84000.0 </milthrust>
+  <milthrust> 84200.0 </milthrust>
   <bypassratio>     1.0 </bypassratio>
   <tsfc>            0.48 </tsfc>
   <bleed>           0.03</bleed>
-  <idlen1>         20.0 </idlen1>
+  <idlen1>         21.4 </idlen1>
   <idlen2>         60.0 </idlen2>
-  <maxn1>         100.0 </maxn1>
-  <maxn2>         100.0 </maxn2>
+  <maxn1>         99.1 </maxn1>
+  <maxn2>         100.2 </maxn2>
   <augmented>         0 </augmented>
   <injected>          0 </injected>