How to set injectors on a Cummins 400?
No CPL. Need to know injector setting and procedure for a Cummins Big Cam 400. I have a manual for and have rebuilt a Cummins 444 with STC injectors. My manual does not give me injector information on the 400 BIg Cam. I know that this is not an STC set up and I know it is not a small cam. I would appreciate any ideas on how to set the injectors.
How to set Cummins NTC 855 Big Cam Top Stop injectors?
Setting Cummins NTC 855 Big Cam top-stop injectors 1. Loosen all valves and injectors so that the engine turns freely while keeping the push rods in place. 2. Rotate engine clockwise until the “A, OR 1-6 VS” timing mark on the accessory drive pulley is aligned with the timing… 3. Set the injector
How to adjust crosshead, injector and valves of Cummins NT?
Note: When ST-669 Torque Wrench Adapter is used, tighten the locknut to 22 to 26 ft-lb [30 to 35 N*m] torque. 4. Check the clearance between the crosshead and valve spring retainer 1 and 2. Fig. 2-19 with a wire gauge. Tighten must be a minimum of 0.025 inch [0.64 mm] clearance.
What is the torque of a Cummins Top Stop injector?
Cummins N855 Top Stop Injectors common settings Torque Injectors * 0.7 Nm, 6.0 inch.lb Inlet valves, cold 0.28 mm, 0.011 inch Exhaust valves, cold 0.58 mm, 0.023 inch * N.B. If you have not got a torque wrench, the 0.7 Nm torque is very little, only about a quarter screw turn more than from finger tight.
How big of an injector do I need for a big cam truck?
Your truck should have top stop injectors that are adjusted to 5 inch Lbs. They do not have a coil spring on top of the injector. Those normally adjust to .011 intake and .027 exhaust. If you do not have a 5 in Lb torque wrench or a clicker do this.
Where is the CPL number on a Cummins Big cam 400?
If you look on the left rear of engine block (driver side) there should be a little flat spot right below the head that will have the Engine serial number stamped into it. You should be able to take that number and call a cummins dealer and they tell what CPL number it is.
How big is a NTC 400 big cam 3 overhead?
Injector first then the valves intake .014 and exhaust .027 Jake’s at .018. If your CPL is 827, 910, 1185, 1210, 1211, 1256, 1280. then it is 90 inch pounds.