Features:
- RPM Range: 1700-4500
- Drops EGT 200-300
- Increased Mid Range power
- Duration at .050" of lift 188 Intake, 220 Exhaust
Steel Street/Strip Cam Shaft
It is the largest drop-in cam that we sell. Use with 62mm or larger single turbos or larger twins. This cam works great in 12v and 24v street trucks with stock head flow or with a ported head and stock size valves. For Common rail street trucks with larger valves and full tilt porting may we suggest the 178-208 to retain best bottom end. The intake is cut on a 99 centerline, performance springs and pushrods are recommended. If you have had your head or block surfaced, you need to verify piston to valve clearance. For it to be "drop in" on a 12v you will need no more than .018" piston protrusion and at least .055" valve face depth with a standard head gasket and a 99 intake centerline. On a 24v you will need no more than .018" piston protrusion and at least .038" valve face depth with a standard gasket. If you do not meet the minimum requirements for piston to valve clearance, don't worry, you can still run an oversize head gasket or cut valve reliefs.
Fitment: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Notes:
- Make sure that the cam has a Liberal amount of quality assembly lube applied
- DO NOT let the engine start without oil pressure
- When this is a new engine, be sure to put a liberal amount of assembly lube in the oil pump and prime the oil filter
- Be sure to change the oil after you have done your break-in procedure. When the filter and oil system are already primed, engine will get oil pressure much faster than if the oil is changed at the same time.
- Disconnect the fuel system and spin the engine with the starter until oil pressure can be read or until oil is coming out of the rocker arms.
- Once oil pressure has been verified, let the engine start and run until up to operating temp
- Adjust valves then you are cleared to abuse your engine. Enjoy the added airflow
- if you need to re-torque or “hot-torque “the head, do so before adjusting valves. When you retorque the head, the valve lash setting, so it is important to set lash last.