|
The trend in drag racing has been to shorter rod. Way back the hot setup was a 4" bore 3" stoke 5.7" rod 302 CI 1.9 R/S. Small block Pro Stocker 4.06" bore 3.25" stoke 6.0" rod 337 CI 1.846 R/S. Small block Pro Stock Truck 4.19" bore 3.245" stoke 5.58" rod 357 CI 1.722 R/S. Each step along the RPM's went up and head flow has gone way up.
|