Whats that hole?
#1
#3
Doesn't look its threaded is it? I have seen lots of "holes" on my Monte and if its not threaded I simply ignore it. I guess if it was threaded there could be a bolt missing? I can't see very well but its not from the EGR valve line right? That is still intact?
#6
- Rebuilding the 3.8L Buick Engine - Engine Builder Magazine
Click (Good Read of a 3.8L) I tried to find a diagram of the GM Block with attachments, but could not find yet ? Mr Google was sleeping this Sunday & didn't want to help me
www.enginebuildermag.com/2008/03/rebuilding-the-3-8l-buick-engine/
Mar 1, 2008 - The 3.8L block was updated with a one-piece rear seal in '90. ... So, three of the bolt holes for the oil pan were relocated to fit the ... When GM upgraded the 3800 to a Series III in 2004, they switched to powdered-metal, forged rods. .... to be one of the “most significant V6 pushrod engines ever designed.
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