Melling camshafts supply the performance to suit your horsepower and torque requirements wherever and whenever you want it. Melling high performance camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials. Listed below is a group classification for the high performance camshafts (the durations shown are based on .050 cam lift). The descriptions within each group show the characteristics of the cams in that group as well as any recommended modifications to the car or engine that will help get the desired performance.
Heavy Duty / Performance Classifications
Class / Stage 1
Class / Stage 2
Class / Stage 3
Class / Stage 4
Idle Quality:
Good
Fair
Rough
Rough
Torque / Horsepower:
Low RPM torque and mid-range horsepower
Good low to mid-range torque and horsepower
Good mid to high RPM torque and horsepower
Mid to high RPM torque and horsepower
Stock / Modified Engine:
Will work with stock or slightly modified engine
Will work with stock or modified engine
May need improved carb, exhaust and ignition systems
Need proper selection of rear axle ratio and improvements in carburation and exhaust systems
Transmission:
Manual or Auto transmission
Manual or Auto transmission
Manual or high stall auto transmission
Manual transmission or automatic with a very high stall converter
Heavy Duty / Performance Classifications