Question: will a lq9 bolt up to a 4l60e?
Answer: A well built 4L60E can EASILY handle a cam/heads 6.0L... Where a stock 4L80E will handle it. All 6.0L LQ9 & LQ4 that were installed in 1/2 ton chassis had either a 4L60E or 4L65E. A well built 4L60E can EASILY handle a cam/heads 6.0L...