<div dir="ltr"><div>In 1963 I did 3 cars for Sebring with Detroit locker diffs. No problem at all. </div><div><br></div><div> In 1966 I did 4 cars for Sebring with a Salisbury type diff and ALL had to be replaced after a few hours running. </div><div><br></div><div> The diffs just plain overheated. I used a special LSD oil put out by GM for express use in that type diff and the diffs still died early and had to be replaced. The disc type diff really needs a cooler to live in <strong><font size="4">endurance</font></strong> events. The bigger aluminum back plate helps, but for endurance races, install a cooler.<br clear="all"></div><div><div class="gmail_signature" data-smartmail="gmail_signature"><p><strong><font color="#000099">Never be beaten by equipment.</font></strong></p></div></div>
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