Can a rocker arm be repaired?

Can a rocker arm be repaired?

Because rocker arm repair is tedious work, it can be time intensive so hiring an auto mechanic or dealership to do the job is not cheap. Expect to pay anywhere from $500 to $1,500 (parts + labor) depending on the vehicle. A good chunk of the expense is for labor as it can take a long time to access the necessary parts.

Do rocker arms add horsepower?

For engine applications that demand a step up, replacing the stock stamped or cast steel rockers with aluminum roller rockers will typically produce a gain of 10 to 15 hp with the same lift ratio, and even more of a power gain with a higher lift ratio.

What happens if you drive with bad lifters?

You shouldn’t drive your vehicle for more than 100 miles if you have bad lifters. The damage that bad or collapsed lifters can do to the camshaft is just too great to be ignored and repairs can cost thousands of dollars.

What are the common issues with rocker bolts?

Other issues are rocker bolts pulling the threads out during installation. Do not torque a rocker with the valve in the open position. Consequently, this can pull out the rocker bolt threads. Because, of the valve spring pressure pulling out the threads before the bolt is fully seated.

Are there valve adjustments on the rocker arm motor?

Answer: There is no special valve adjustments on this motor as was the case with the older Chevy small block. Rocker arms are just torqued to specs. The most important thing is that the push rods are installed correctly. They are different lengths.

How much does it cost to replace a rocker insert?

The bad news, the kit is around $70 (as of this writing). We buy ours from: The only “trick” to using this method is to run the counter bore tool deep enough so the shoulder of the insert will be just below the slot for the rocker stand as it is in the previous repair.

How do you drill a rocker bolt tower?

Using the 27/64″ drill, drill the rocker bolt tower 7/8” deep from the tip of the drill bit. To be sure to get the right depth, put a piece of tape on the drill at 7/8″ from the tip as shown below. Tap and thread the hole using a tapping lubricant or equivalent. Clean the threaded hole with Brake Kleen or equivalent.

author

Back to Top