Description
- Available for all Shovel engines using stock diameter tubing to prevent cover tube interference
- Computer designed and precision ground from alloy steel billets on Landis CNC cam grinders
- Rocker arm ratios: Shovel = 1.42, Pan = 1.5
- Fits 78-84 Only. Bolt in with no head work (except 1980-1981).
- More mid-range and high-end power
- Idle unaffected. Head setup require on ’80 and 81
- INTAKE: Timing at .053 = 19/43. A2 Grind. Duration at .053 = 242. Duration at .020 = 280. Shovel Valve Lift = .450. Pan Valve Lift = .470. Shovel Lift TDC = .156 Pan Lift TDC will be 5% higher. Stock springs
- EXHAUST: Timing at .053 = 50/18. Duration at .053 = 248. Duration at 290. Shovel Valve Lift = .450. Pan Valve Lift = .470. Shovel Lift TDC = .142. Pan Lift TDC will be 5% higher
