Quote:
Originally Posted by patrickt
The rebuild kit will come with a couple of different N/S combinations. It will also have all your gaskets. On my Holley, two of the needle and seats looked like they were an exact match. One was .110 and the other was .097, but the instruction sheet that came with the kit indicated that the .110 was the correct match for a needle and seat marked with an “H” on it (which my needle and seat did). Here's a tip: Put a dab of Vaseline on the black O-ring; it makes the job way easier.
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Why Vaseline and not just grease or a dab of
oil? Is this to lubricate the new O-ring such that it slides easier into the chamber of the fuel bowl during installation?