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1970-77 engines • hydraulic • very hot cam for street or drag • likes big engines • carburetor, pipesand increased compression a must • 84 to 96 inch strokers • 7000 rpm
Most cam designers concentrate on getting the most power in a particular RPM range and disregard valve train clatter and power band width. The designers at VThunder® pay particular attention to ramp design to keep our cams as quiet as possible and lobe design to maintain as wide a power band as possible. VThunder® cams are made from 6150 aircraft quality steel for ultimate durability and resistance to premature cam failure from metalfatigue. We heat treat our cams to provide a case depth that allows for long term use under extreme loads. With the aid of computer controlled machining centers, VThunder® cams are held to extremely precise tolerances.
Gross Valve Lift | Lobe Lift | Duration @.053 | Valve Timing Open/Close | Lobe Center Line | Lobe Separation | Base Circle Radius | Tappet Lift @TDC | Valve Lift @TDC | |||||||
IN. | EX. | IN. | EX. | IN. | EX. | IN. | EX. | IN. | EX. | IN. | EX. | IN. | EX. | ||
.550 | .550 | .385 | .385 | 260 | 270 | 24/56 | 61/29 | 106 | 106 | 106 | .470" | .128" | .145" | .182" | .207" |