CLASS RACER FORUM - View Single Post - What is the difference in the 2010 and 2012 CJ Mustang

Wayne Kerr · 03-07-2012, 07:12 PM

Rick,
Here's the deal with the 4V motors:
All the engines with the 4.0L blower are Superstock only.
The engines with the 2.3L Eaton blower have different cam lift and pulley sizes. The 2010 small blower engines were iron blocks also.

Hope this helps,
Wayne Kerr

03-07-2012, 07:12 PM	#2
Wayne Kerr Member Join Date: Nov 2003 Location: Out to Lunch Posts: 191 Likes: 2 Liked 26 Times in 11 Posts	Re: What is the difference in the 2010 and 2012 CJ Mustang Rick, Here's the deal with the 4V motors: All the engines with the 4.0L blower are Superstock only. The engines with the 2.3L Eaton blower have different cam lift and pulley sizes. The 2010 small blower engines were iron blocks also. Hope this helps, Wayne Kerr