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Can You Use Roller Lifters On A Flat Tappet Cam?

Roller Lifters Vs. Flat Tappet Lifters

Roller lifters and flat tappet lifters are two types of valve lifters used in internal combustion engines. Both types of lifters have their own advantages and disadvantages, and the type of lifter that is used in a particular engine will depend on the design of the engine and the desired performance characteristics.

Roller lifters are typically used in high-performance engines because they reduce friction and allow for higher engine speeds. Roller lifters have a roller bearing between the lifter and the camshaft, which reduces friction and wear. This allows the engine to run more smoothly and at higher speeds.

Flat tappet lifters are less expensive than roller lifters and are more common in low-performance engines. Flat tappet lifters have a flat surface that rides directly on the camshaft. This design is less efficient than roller lifters and can lead to increased friction and wear. However, flat tappet lifters are more durable than roller lifters and can be used in less demanding applications.

Can You Use Roller Lifters On A Flat Tappet Cam?

The answer to this question is yes, you can use roller lifters on a flat tappet cam. However, it is important to note that this will require some modifications to the engine. The camshaft will need to be ground with a different profile to accommodate the roller lifters. Additionally, the lifter bores will need to be machined to accept the larger diameter roller lifters.

Benefits Of Using Roller Lifters On A Flat Tappet Cam

There are several benefits to using roller lifters on a flat tappet cam. These benefits include:

• Reduced friction: Roller lifters have a roller bearing between the lifter and the camshaft, which reduces friction and wear. This allows the engine to run more smoothly and at higher speeds.
• Increased power: Roller lifters can help to increase engine power by reducing friction and allowing the engine to run at higher speeds.
• Improved fuel economy: Roller lifters can help to improve fuel economy by reducing friction and allowing the engine to run more efficiently.
• Longer engine life: Roller lifters can help to extend the life of an engine by reducing wear and tear on the camshaft and lifters.

Conclusion

Roller lifters can be used on a flat tappet cam, but it is important to note that this will require some modifications to the engine. The camshaft will need to be ground with a different profile to accommodate the roller lifters. Additionally, the lifter bores will need to be machined to accept the larger diameter roller lifters.

If you are considering using roller lifters on a flat tappet cam, it is important to consult with a qualified mechanic to ensure that the modifications are done correctly.

Are you interested in learning more about roller lifters and flat tappet lifters?

FAQs

Q: What are the benefits of using roller lifters?

A: Roller lifters have several benefits over flat tappet lifters, including reduced friction, increased power, improved fuel economy, and longer engine life.

Q: Can I use roller lifters on a flat tappet cam?

A: Yes, you can use roller lifters on a flat tappet cam, but it is important to note that this will require some modifications to the engine.

Q: What modifications are required to use roller lifters on a flat tappet cam?

A: The camshaft will need to be ground with a different profile to accommodate the roller lifters. Additionally, the lifter bores will need to be machined to accept the larger diameter roller lifters.

Q: Is it possible to install roller lifters on a flat tappet cam without any modifications?

A: No, it is not possible to install roller lifters on a flat tappet cam without any modifications. The camshaft will need to be ground with a different profile and the lifter bores will need to be machined to accept the larger diameter roller lifters.

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