engine upgrade

I am restoring my 92 YJ. While I'm in there, I'm upgrading from the 2.5I to the 4.0 (98' XJ Cherokee). I cannot get the mounts right. what am I doing wrong. the engine mount brackets I bought from Extreme Terrain fit a YJ with a 4.0 engine. The original frame mounts I kept from the 2.5i and I'm...