What is the 3.9 v6 the general is using now?

Jan 29, 2007 21 Replies

Put four overhead camshafts on a 455 cid V8, tune it right, and see what you can get.

The separate overhead camshafts offer a world of tunability options. Admittedly, you can do a lot with a single camshaft pushrod engine.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required