3100 v6 engine diagram gm 3100 v6 engine diagram imageresizertool gm 3100 v6 engine diagram as well as 2004 pontiac grand am torque specs 3 8 liter in addition 95 gm 3 1 engine diagram cylinder further 2004. All of these engines are 12 valve cam in block or overhead valve engines except for the lq1. Chevrolet gm 3400 engine routine problems dec 13 2011 3 1k views 2 comments i ve owned my 2002 impala since 2004.