What would cause a camshaft to break?
A broken camshaft is usually caused by a connecting rod or other rotating part coming loose and striking it. Sometimes the cam will break after a short time of use because of a crack or fracture in the cam due to rough handling during shipping or improper handling prior to installation.
What happens when the camshaft breaks?
A broken camshaft can have a major impact throughout the top end of your engine, doing serious damage to parts like the crankshaft, cylinder block and head, valves, pistons, and connecting rods.
Can a broken camshaft be repaired?
Camshafts can be rebuilt if they have lobe wear, as long as that wear is not excessive. Above you can see examples of both a rebuildable and non-rebuildable camshaft. The rebuildable camshaft has slight wear. You can see that the wear is not deep and just looks like the cam has been scratched.
What kind of camshaft does a cat use?
This is the 800hp industrial/marine cam used in C16 and C18 Cat Engines. This is a drop in camshaft for 3406E/C15 engines looking for more performance out of their engine. We have used this cam in many of our own builds in the shop and have had great results.
What makes a Level 1 replacement camshaft good?
Level 1 indicates a good stock replacement camshaft. These profiles are designed to enhance throttle response and low end torque in vans, trucks, passenger cars and mild marine applications while delivering fuel efficient motoring. High vacuum, smooth idle and maximum efficiency are characteristics of these cams.
What should I do if I have a camshaft failure?
For extra protection, an anti-wear additive should be added, such as Crane Super Lube. Do not use synthetic oil during the break-in period. It is not recommended to use any type of oil restrictors to the lifter galley, or use windage trays, baffles,or plug any oil return holes in the valley.
What are the numbers on a camshaft profile?
To get the best performance for your application, the camshaft profile must match your head and valve train components. All of our numbered series are named for their lift rates or lobe acceleration. The lower number “220” indicates a smoother lift rate where the “420” number is a faster lift rate profile.