<div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">"Yes on engine".</span><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Well to be honest that opens a whole can of worms. </span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Engine balance would certainly be the first suspicion and that involves a total rebuild.</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Sometimes an exhaust system can develop a "resonance " which if caused by a muffler will usually result in it cracking eventually. </span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">I've encountered various other sources  ... </span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Badly balanced and mounted alternator.</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Disintegrating front balancer</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px"> & Loose flywheel</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Come to mind.</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px"><br></span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">Time for some diagnosis.</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px"><br></span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px">M</span></div><div dir="auto"><span style="font-family:sans-serif;font-size:12.8px"><br></span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun., May 2, 2021, 6:38 p.m. i erbs, <<a href="mailto:eyera3000@gmail.com">eyera3000@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Yes on engine.<div dir="auto">Yes to switching flywheel to BJ8 and special disk for toyota <br><br><div data-smartmail="gmail_signature" dir="auto">Ira Erbs<br>1959 AH 100-6<br>1967 MGB<br>Milwaukie, OR</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, May 2, 2021, 11:18 AM Bob Spidell <<a href="mailto:bspidell@comcast.net" target="_blank" rel="noreferrer">bspidell@comcast.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Did you have your engine balanced at rebuild? If you did, have you <br>
changed out the clutch or flywheel since?<br>
<br>
On 5/2/2021 11:01 AM, i erbs via Healeys wrote:<br>
> Howdy all,<br>
> Been driving my car a lot lately and I've been reminded that I get <br>
> some load resonance between 2800 and 2900 rpm, in any gear. Have <br>
> Smitty 5 speed.<br>
> Any ideas?<br>
><br>
> Ira Erbs<br>
> 1959 AH 100-6<br>
> 1967 MGB<br>
> Milwaukie, OR<br>
><br>
<br>
_______________________________________________<br>
Support Team.Net <a href="http://www.team.net/donate.html" rel="noreferrer noreferrer noreferrer" target="_blank">http://www.team.net/donate.html</a><br>
Suggested annual donation  $12.75<br>
<br>
Archive: <a href="http://www.team.net/pipermail/healeys" rel="noreferrer noreferrer noreferrer" target="_blank">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" rel="noreferrer noreferrer noreferrer" target="_blank">http://autox.team.net/archive</a><br>
<br>
<a href="mailto:Healeys@autox.team.net" rel="noreferrer noreferrer" target="_blank">Healeys@autox.team.net</a><br>
<a href="http://autox.team.net/mailman/listinfo/healeys" rel="noreferrer noreferrer noreferrer" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/eyera3000@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">http://autox.team.net/mailman/options/healeys/eyera3000@gmail.com</a><br>
<br>
</blockquote></div>
_______________________________________________<br>
Support Team.Net <a href="http://www.team.net/donate.html" rel="noreferrer noreferrer" target="_blank">http://www.team.net/donate.html</a><br>
Suggested annual donation  $12.75<br>
<br>
Archive: <a href="http://www.team.net/pipermail/healeys" rel="noreferrer noreferrer" target="_blank">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" rel="noreferrer noreferrer" target="_blank">http://autox.team.net/archive</a><br>
<br>
<a href="mailto:Healeys@autox.team.net" target="_blank" rel="noreferrer">Healeys@autox.team.net</a><br>
<a href="http://autox.team.net/mailman/listinfo/healeys" rel="noreferrer noreferrer" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com" rel="noreferrer noreferrer" target="_blank">http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com</a><br>
<br>
</blockquote></div>