Re: Gasoline: Leaded or Unleaded ??

Posted by TheRealRon on September 09, 2004 at 04:25:01 from (69.179.11.202):

In Reply to: Gasoline: Leaded or Unleaded ?? posted by Bob T on September 08, 2004 at 19:11:16:

I agree, especially with Dave, but the general rule is this:

If the engine will be used for heavy work, then hard seats are a must. In all other cases, they are nice to have but certainly not required. The reason is that lead did provide some cushioning of valve/valve seat contact.

Of course, if the head comes off for another reason, then installing hard seats just makes sense.

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