As usal, crossed to a few groups because there are some smart people in > them...
>
> I was at a machine shop the other day getting a set of brushes for the
> alternator for my '92 Grand Caravan, and I asked the machinist about my
> BHG. He said, "That's the one with the long 6 cylinder? There's only one
> problem with that. The head gasket can make indentations in the softer
> aluminium in the head, and a gasket won't seat properly. They make a
> "shim" specifically for that engine for this case, but it's expensive." >
> "How much?"
>
> "It's custom made for each engine, so it's about $80..."
>
> Eighty bucks? in order to seal the engine rather than pull the block for
> machining, etc etc? Sounds good to me!
>
> Has anyone heard of these before?
I've heard of them but have never seen them in use.