compression

[ozz]

need to know the compression for the p5

 

[herls]

i believe its something like 9:5:1
definitely starts with 9

 

[Racer 5]

OZZ, FYI:
Bore x Stroke (mm)
83 x 92 mm/3.26 x 3.62 inch

Compression Ratio
9.1:1