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<div class="userEdit" style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px;"><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: bold;">I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full. Is the addition of an overflow worth installing? It appears this would add an additional 1 quart to the system. How much difference would this make on cooling?<br></span></div>
<div class="userEdit" style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px;"><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: bold;">Thanks,</span></div>
<div class="userEdit" style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 16px;"><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: bold;"> Mark L</span></div>
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