<html><body><div>That is not the hole I was telling you about. When I built my engine, I did not cover that hole as it was not covered when I took it apart and I took an awl and found it bottomed out, so I didn't worry. The hole I was telling you about I can see is plugged on your engine. It's the plug above and a little to the left of the center freeze plug, below the head. That one is an oil access. </div><div> I am not an expert though and others on this list may have more and better information.</div><div>Steven Kingsbury </div><div><br>On February 1, 2021 at 7:03 PM, Michael MacLean <rrengineer.mike@att.net> wrote:<br><br></div><div><blockquote type="cite"><div class="msg-quote"><div style="font-family: times new roman, new york, times, serif; font-size: 16px;" class="yahoo-style-wrap" data-mce-style="font-family: times new roman, new york, times, serif; font-size: 16px;"><div data-setdir="false" dir="ltr">Is this hole on the rear of my BN2 engine something that is supposed to be plugged?</div><div data-setdir="false" dir="ltr">Mike MacLean<br></div></div><div class="_stretch"><span class="body-text-content">_______________________________________________<br>Support <a href="http://Team.Net" data-mce-href="http://Team.Net">Team.Net</a> <a href="http://www.team.net/donate.html" data-mce-href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/healeys" data-mce-href="http://www.team.net/pipermail/healeys">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" data-mce-href="http://autox.team.net/archive">http://autox.team.net/archive</a><br><br><a href="mailto:Healeys@autox.team.net" data-mce-href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br><a href="http://autox.team.net/mailman/listinfo/healeys" data-mce-href="http://autox.team.net/mailman/listinfo/healeys">http://autox.team.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/airtightproductions@icloud.com" data-mce-href="http://autox.team.net/mailman/options/healeys/airtightproductions@icloud.com">http://autox.team.net/mailman/options/healeys/airtightproductions@icloud.com</a><br><br></span></div><img data-inline-image="true" src="cid:747a4aa6-ff61-4bbf-b8e8-43b652e5e810@icloud.com" data-mce-src="cid:747a4aa6-ff61-4bbf-b8e8-43b652e5e810@icloud.com" ></div></blockquote></div></body></html>