bowtiepower00
1/2 ton status
The 5.3 in my 07 is 9.9:1 or somewhere around there. The 5.7's are a little higher. Some of the Hipo motors are around 11.3:1 or so.
Not all of the larger factory heads will fit on the small bore engines, mostly depending on valve size.
Not all of the larger factory heads will fit on the small bore engines, mostly depending on valve size.
