Oval bowl tuning tips

[mike diesel]

Just curious what kind of tuning differences people have noticed when tuning oval bowls compared to standard pistons...if there are any.

 

[S Phinney]

Timing would be your primary difference.

 

[mike diesel]

How drastic are the changes?

As in how would a 700hp tune with 30% injectors that was setup for standard pistons run with a set of oval bowls?

 

[S Phinney]

Start with the same tune and you will most likely need to pull some timing in the 1600 to 2200 rpm area and the 30 to 60 mm3 areas. It really depend on how your tuning is now but that is a general idea of where to start.

 

[mike diesel]

Start with the same tune and you will most likely need to pull some timing in the 1600 to 2200 rpm area and the 30 to 60 mm3 areas. It really depend on how your tuning is now but that is a general idea of where to start.

Interesting, thank you.