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Home 03 - 07 5.9L
Cummins Camshaft
Description

Information:

  • RPM Range: Idle-4,000
  • Drops EGT 200-300
  • Meets 49 state EPA standards on 24v Cummins. We are working on 12v certification
  • Duration at .050″ of lift  178 Intake, 208 Exhaust .290 intake lift .310 exhaust lift
  • Warranties will not be considered unless you use Hamilton cams Tappets and springs
  • Although we bill the 178-208 as an efficiency cam, we have made 1588hp at 4500rpm with a single S-488 on a 6.7L. It is plenty capable.

(THIS IS A STEEL VERSION AND WILL REQUIRE FULL CAM BUSHINGS)

Modification Required:

      • For it to be “drop in” on a 12v you will need no more than .020″ 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 .020″ 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.
      • Although this is considered a drop in cam it is important to check clearances
      • We always recommend new lifters when changing a cam. 

 

Applications:

      • Towing applications
      • low rpm torque increases
      • helps spool large singles
      • Meant for increased all around efficiency  

Break in:

To make sure that you have no issues during break-in, follow these few suggestions.

      • Make sure that the cam has a liberal amount of quality assembly lube applied
      • DO NOT let the engine start without oil pressure, we usually suggest not changing engine oil until after the engine is started.
      • When installed in a new engine, be sure to put a liberal amount of assembly lube in the oil pump and prime the oil filter
      •  When the filter and oil system are already primed, cam 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.
      • Do not let the starter run for more than 10 seconds at a time
      • Once oil pressure has been verified, let the engine start and run for five minutes at 1200-1500rpm then shut engine down
      •  If in a new engine, retorque head (you should see .003″ to .004″ more gasket crush which will alter valve lash. Adjust valves then you are cleared to abuse your engine. Enjoy the added airflow!

178/208 Steel Cam

$699.00

the same as our cast version, but steel.

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SKU: 07-c-178/208S Tags: Cummins 12 Valve Valve Train, Cummins 24 Valve Cams

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