<div dir="ltr">Double check the drain plug. Try a new copper gasket and check the drain plug flange on the oil pan for burrs or nicks. Touch up with a file if required. If the engine is original there is no rear main seal to fail just the infamous archimedes screw and it is unlikely to fail catastrophically.<div><br></div><div>Harold</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Oct 15, 2022 at 5:26 PM Bob Spidell <<a href="mailto:bspidell@comcast.net">bspidell@comcast.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">Stock 'seal' or aftermarket upgrade?<br>
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On 10/15/2022 11:20 AM, healeymanjim wrote:<br>
> changed oil in a club member's tri carb.   went to get gas and noticed lots of oil under car.  by the time i got back had lost about 4 qts or more of oil on a few mile drive.  coming from rear of engine and coming out bottom joint and cotter pin hole. was only a small drip before oil change.  assume it is coming from rear main, but could it fail that fast?   any other places to look?<br>
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