What nick just said ^^ if the shop that bored out that block knew anything, it would have been to open up the oil galleys from the tiny ass holes they come with from the factory.

Those lifters will want too much, and the block wont be able to assist them....therefore, you could be looking at a big problem down the road.

This is a 3800, not a cts-v race car that spins at 8k+ with just about 1/2" oil galleys.

I never thought i would have to bring these out again

but here goes nothing