1968 was the first year of Buick 350 production so a v8 should be 350ci regardless, unless you've got a big block.
find the two letter Engine Code between the #1 and #3 spark plugs on the deck of the block and that will tell you year, displacement and a range of models that could have originally hosted the engine.
'SP' is the hot 350 from 1970.
https://www.teambuick.com/reference/...ine_number.php
a Buick 350 has 6 bolts securing each valve cover, 3 on each rail.
a Buick 455 has 5 bolts securing each valve cover, 3 on top rail and 2 on the bottom rail.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)
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