long posts not loaded

that’s the post on the old wordpress version
http://walid.kurtubba.com/2007/01/16/elvis-presley-the-original-elvis-presley-collect-50cd/
by disabling
$content = apply_filters(‘the_content’, $content);
on line 55 file post-template.php it works fine but text are not parsed
I think function merge_filters() doesn’t like the post text