I have heard people talking about the valve guide seals - has anyone gotten this done professionally? If so, what is the range of expense? Is it wiser in the long run to change the engine altogether?
++++++++++++++++++++++++++++++++++++++++++++++The valve guide seals job should run in the $500 to $750 range and is a whole lot cheaper than changing the engine. Why change the engine unless it is totally worn out? Doing the engine rebuild/swap would put you into the $3500 to $5000 range.