The lifter oil feed hole on common GM LS lifters is offered in more than one orientation. Both are functionally correct and interchangeable. The difference is in the location of the oil feed hole. Both should be installed such that some oil will always remain in the…
Engine Pro Tech Committee with special thanks to Elgin Industries.
On the 2006-2016 GM 2.4L Eco-Tech engines, beware of the reluctor-wheel attached to the intake and exhaust camshafts for the cam sensor. These are just pressed on. If they get hot and lose their press fit, they will come loose and move. The engines will run poorly…
Steve Buege Buege High Performance Engines Burnett, WI
I have a big block Gen VI tip that will provide oiling and windage improvement at no cost. When a builder uses retrofit roller lifters and no longer has a use for the hold down spider, I find it useful as a cover and shield by…
Rich Franzman Rich Franzman Racing Engines Lake Elsinore, CA
Most everyone straightens camshafts with a rounded chisel. Your efforts are more productive by supporting the cam. I lay it on a piece of carpet runner, and it makes it quicker and easier. I used to do it on the V -blocks, but this is much more effective.…
Randy Torvinen Torvinen’s Machine Menahga, MN
Many engines and all but a few Chrysler engines were equipped at the factory with non-adjustable rocker arms. Anytime a solid lifter roller or flat tappet camshaft is used, you must also use adjustable rocker arms and the appropriate pushrods. When installing any high-performance…
Engine Pro Technical Committee with special thanks to the Edelbrock Group and Comp Cams
When I need to polish the main journals on a camshaft, I use a straight shank center, or a large center drill will work. Insert the center deep enough in the chuck so the Cam pin or a stud will rest against a chuck jaw. All Cams have…
Randy Torvinen Torvinen's Machine Menahga, MN
I found an easy way to bleed hydraulic lifter buckets in the vice. I stick a small hex bit into the socket head bolt that holds the jaws to the vise. Then you just need to hold the lifter in 1 hand and work the vise…
Josh Alexander Accurate Engine Machining Cortez, CO
Some cam lubes are thin and drip off the cam lobes. I take thin lube and add gel capabilities to hold on to the cam lobe until start up. To do this, I add a small amount of petroleum jelly to thin cam lubes. It gives…
Scott Lance Torrington Engine Machine Torrington, WY
When installing flat tappet lifters, we number the lifters to their corresponding cylinders. This can be useful in the event that the engine is ever disassembled. This helps to keep the lifters from getting out of order and to ensure they are put back on the correct…
Adam Cofer Salina Engine Salina, KS
For the past 20 years, I have been buying bicycle inner tubes at the local hardware store to replace the neoprene sleeve on our universal cam bearing tool. The inner tube costs range from $5.99-9.99 and will give you more bang for the buck. Cut the inner tube…
Randy Kalis Kalis Repair & Machining Royalton, MN