3100 Engine Rebuild
Rebuilding a 3100 V6.... Repair cost was $1,200 using Re-man cam and crank.
Buick - 3100 SFI Engine Training (1994)
This video from GM's Certified-Plus Training series provides details of the redesigned 3100 SFI Engine introduced on the 1994 Buick Regal and Skylark. Topics covered include: 1996 Government Requirements, Engine Introduction, Management Strategy, Diagnosis Review and Service.
blowing a 3.1 mpfi v6 engine
customer brought in a Z24 just like mine! 3.1 5 speed... 3.1 was blowen, sounds like a wrist pin let go. for the same price of replacing the old 3.1 with another old 3.1, he decided to bring it to me, the expert! and have a 3400 SFI installed!
Attention GM 3.1L 3.4L and 3.5L Engine Owners
Newer versions of these engines don't make this sound because they have a special insulation in the block.