MegaMechatronics
Newbie
For the searchable record; just finished intake gaskets on my 99' Silverado 4.3 Vortec engine; however it should be similar to Blazer/Jimmy jobs (Jimmy Jobs lol). Vortec 4.3 intake gasket replacement guide how to tutorial.
Hope it helps:

https://www.youtube.com/watch?v=zzppE05pZXk
Hope it helps:

https://www.youtube.com/watch?v=zzppE05pZXk