Give this a shot? (You'll still see page number links.)
Open: viewtopic.php
Find:
// Fetch some info about the topic
if (!$pun_user['is_guest'])
$result = $db->query('SELECT t.subject, t.closed, t.num_replies, t.sticky, f.id AS forum_id, f.forum_name, f.moderators, fp.post_replies, s.user_id AS is_subscribed FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id LEFT JOIN '.$db->prefix.'subscriptions AS s ON (t.id=s.topic_id AND s.user_id='.$pun_user['id'].') LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.id='.$id.' AND t.moved_to IS NULL') or error('Unable to fetch topic info', __FILE__, __LINE__, $db->error());
else
$result = $db->query('SELECT t.subject, t.closed, t.num_replies, t.sticky, f.id AS forum_id, f.forum_name, f.moderators, fp.post_replies, 0 FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.id='.$id.' AND t.moved_to IS NULL') or error('Unable to fetch topic info', __FILE__, __LINE__, $db->error());
Replace with:
// Fetch some info about the topic
// mod: Hide posts after X days
if (!$pun_user['is_guest'])
$result = $db->query('SELECT t.subject, t.closed, t.num_replies, t.sticky, t.posted, f.id AS forum_id, f.forum_name, f.moderators, fp.post_replies, s.user_id AS is_subscribed FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id LEFT JOIN '.$db->prefix.'subscriptions AS s ON (t.id=s.topic_id AND s.user_id='.$pun_user['id'].') LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.id='.$id.' AND t.moved_to IS NULL') or error('Unable to fetch topic info', __FILE__, __LINE__, $db->error());
else
$result = $db->query('SELECT t.subject, t.closed, t.num_replies, t.sticky, t.posted, f.id AS forum_id, f.forum_name, f.moderators, fp.post_replies, 0 FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.id='.$id.' AND t.moved_to IS NULL') or error('Unable to fetch topic info', __FILE__, __LINE__, $db->error());
Find:
// Can we or can we not post replies?
Before, add:
// mod: Hide posts after X days
// Default: 172800 seconds (2 days)
if (!$is_admmod && time() > ($cur_topic['posted'] + 172800))
message($lang_common['Bad request']);
Open: viewforum.php
Find:
while ($cur_topic = $db->fetch_assoc($result))
{
Replace with:
while ($cur_topic = $db->fetch_assoc($result))
{
// mod: Hide posts after X days
// Default: 172800 seconds (2 days)
if (!$is_admmod && time() > ($cur_topic['posted'] + 172800))
continue;
Find:
Replace with:
}
// mod: Hide posts after X days
// No topics exist or they are too old to view
if (!isset($item_status))
{
?>
<tr>