3.8K's are not as common with intake gaskets as 3.1J/M or 3.4E
I'd say 3.8's and 5.7's are about the same when it comes to intake gaskets, but they're the same engine(minus 2 on the v6 of course), so that's no surprise.
I wouldn't buy an F body for several reasons. The major of them being typical GM fit and finish. The quality is shit. Sure the running gear may be solid, but the rest is junk. The interior is all snap-together plastic, and it'll creak and rattle. Plastic everywhere, fenders, headlight lids, so on...
I wouldn't buy any GM for that matter... maybe trucks, but they've got bigger and badder problems... ick.
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