Quote Originally Posted by ppost View Post
Sorry, I don't quite understand what you meant by "the thread on the SLi connectors I used is so short that I could not fit a spacer even on the copper side of the block". Anyhow, it does not sound like to be the cause of card damage.
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There is a metal spacer, which is used to shorten the thread on the barbs. On the copper side of the block the threading is not as deep as on the other side, the spacer stops the thread on the barb intefering with the liquid flow (I assume!!) On some of the fittings I have the thread is very short and so a spacer is not needed, on the 1/2" barbs I use a spacer as the thread is longer on these. My block did not come with any paper spacers for the screws, should it have?