- Oct 24, 2001
- RI USA
- 2000 Magnetic Red Vert & 2015 DSOM Coupe Z51-3LT
I say the LS1 is 346 cid. I have been called on this several times. Most folks say its a 350 cid. Even the CAC glossary defines the LS1 as 350 cid. My 00 owners manual states 346 cid. Why all the confusion?