<div dir="ltr">Michael<div><br></div><div>I don't know the answer but  I can add that not all blocks have this drilled and tapped hole that needs a screw in stopper plug that does not show on any parts list.</div><div><br></div><div>One guess is that it could be for an oil temperature probe that shows on a dial a little like the water temperature sensor and dial.</div><div><br></div><div>Rgds</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 17 Jan 2021 at 20:24, Michael MacLean <<a href="mailto:rrengineer.mike@att.net">rrengineer.mike@att.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"times new roman","new york",times,serif;font-size:16px"><div dir="ltr">Can someone please tell me what this hole is for?</div><div dir="ltr"><br></div><div dir="ltr">Mike MacLean<br></div></div></div>_______________________________________________<br>
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