Engine vs Motor: What Is the Difference?
  • By
  • October 10, 2026
  • No Comments

Engine vs Motor: What Is the Difference?

The technical difference between an engine and a motor, where the words come from, and how it applies to crate engines, gas outboards and electric outboards.

Roller Cam vs Flat Tappet: Differences, Pros and Cons
  • By
  • October 5, 2026
  • Comments 3

Roller Cam vs Flat Tappet: Differences, Pros and Cons

A flat tappet lifter slides on the cam lobe; a roller lifter rolls on it. Here is what that changes for power, wear, break-in and cost, how hydraulic and solid lifters differ, and