What does adjustable timing gear do?
Adjustable camshaft gears allow you to tweak the conservative factory settings for increased power and driveability. Adjustable cam gears also give the user the ability to shift peak power throughout the rpm range, a big plus if you are a low-end city driver, mid-range autocrosser, or high-rpm drag racer.
Do cam gears increase horsepower?
Does a camshaft increase horsepower? Yes, a camshaft adds 10 to 20 horsepower depending on the setup. To get the full potential of the high-performance camshaft, you’ll have to swap out additional components like the air intake, exhaust manifold, injectors, and valve heads.
How do you adjust the end play on a camshaft?
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.
How much end play should a camshaft have?
between 0.003 in. and 0.010 in.
How is it measured? Generally, the recommended amount of end play is between 0.003 in. and 0.010 in. Always follow the camshaft manufacturer’s instructions when measuring and adjusting.
How do you adjust the end play on a cam?
How important is crankshaft end play?
It’s worthwhile to discuss first why it’s important to have a thrust bearing. There are transmission loads that tend to force the crankshaft forward….How to Check Crankshaft End Play.
| Engine | Crankshaft End Play Clearance (inches) |
|---|---|
| Small-block Chevy | 0.003 – 0.011 |
| Big-Block Chevy | 0.006 – 0.010 |
| GM LS Gen III / IV | 0.0015- 0.0078 |
| 302-351W Ford | 0.004 – 0.008 |
What makes a cam lope lift or duration?
Lope is a result of the intake and exhaust valves both being open at the same time. This is called overlap. Mild cams have little or no overlap at any valve opening that makes a difference. Hotter aftermarket type cams have a lot because it aids high RPM breathing.