What is a cam thrust plate?
This is the plate that holds the camshaft in place in the Ford 1600 Kent engine. If your camshaft endplay (end float) is more than 0.0075″, then you need a new thrust plate. Excessive camshaft endplay can result in erratic ignition timing and worn timing chains.
Do I need a cam button?
Re: Do I need a cam button? ( The lobes on non-roller cams have a slight taper ground into then that helps to spin the lifter in the bore and force the cam to the rear of the block. Roller lifters can not spin in the bore so roller cams do not have the taper, so they need a button to hold them tight to the block.
What is a thrust button and wear plate?
The thrust button rides between the front of the timing gear and the back of the front cover, and can be shimmed for proper end play in the cam. Both solid nylon button and roller thrust bearing styles are availble. Wear plates eliminate the wear at the front of the block and are moly coated.
What is a cam thrust button?
The thrust button rides between the front of the timing gear and the back of the front cover and can be shimmed for proper end play of the cam. COMP Cams has both the solid nylon button and the roller thrust bearing available for the ultimate in performance.
What causes cam walk?
Cam Walk (Axial Thrust) Phenomenon The tell-tale signs are a worn thrust face on the block (if movement was backward) or a scored timing chain cover (if movement was forward), or excessive wear of the cam’s distributor drive gear.
Can I reuse the cam retainer plate?
Yes… use RED loctite on all of them and torque to spec. Be especially careful that you do not over torque the cam retainer plate bolts, they have a tendency to strip out. Seen it on more than one occasion.
How do you test a cam end play?
Set the dial indicator to read zero. Pull the camshaft as far forward in the block as it will go. Check the measurement on the dial indicator. The reading is the camshaft end play.
How do you know if you have a worn cam lobe?
Loud Ticking or Tapping Sounds If you’re wondering what a bad camshaft sounds like, it usually makes loud ticking or tapping noises. As it starts to fail, you may notice odd sounds coming from your vehicle’s valvetrain. Ticking noises are often linked to worn cam lobes.
What does a wiped cam lobe sound like?
A “wiped” cam lobe will manifest itself in a loud ticking valve. As the lobe gets ground down, the valve lash increases to the point that the rocker will smack the top of the valve making a bit of racket.
How do you adjust the end play on a cam?
To measure and adjust end play:
- Install the Camshaft, timing gear, and any other related components.
- Torque all fasteners to the manufacturer’s recommended specs.
- Set up a Dial Indicator on the end of the camshaft using a magnetic base.
- Push the camshaft as far back in the block as it will go.
Why do I need thrust bearings for MY Cam?
Stress placed on cams and timing sets in today’s racing engines produces a weak area at the front of the block. COMP Cams solved the problem with their moly-coated wear plates and thrust bearings. They are a must for all Chevy big block engines. The thrust bearings are a one-piece encapsulated design for the Chevys and a 3-piece design for Fords.
What size cam plate for TBI block?
There are two sizes if your mounting holes are too far apart this is the one you need to turn your non roller TBI block into a roller cam compatible block without a thrust button. Lt1 cam plate is what i got.
Will LT LT LT1 cam plate fit a 350 SBC?
Lt1 cam plate is what i got. Seems this is what ever is available as over stock. Did not fit tbi 638 or L31 880 block . disappointed, somewhere in here it said it was for tbi flat to roller. Not the case. Does NOT fit 350 sbc. Bolt holes too narrow and center hole to small.
Do I need thrust bearings for a Chevy big block engine?
They are a must for all Chevy big block engines. The thrust bearings are a one-piece encapsulated design for the Chevys and a 3-piece design for Fords. Select your preferred location and we’ll note which parts are ready to be picked up TODAY.