COMMON GEAR RATIOS

Modified- 5.43 (Crate), 5.67 (Open)

Stock Car- 6.20/6.33 (350cfm), 6.50/6.66 (500cfm)

SportMod- 5.67 (Crate), 6.00/6.20 (Open)

Grand National- 6.33/6.50