What can cause this?
The tiny thing in your post looks funny on top of the piston, but you can not even see what you are looking at.

This is linked from my gallery, as you can see it is big enough to actually see some detail.

Slideshow: 10 ways Ford is losing to the competition
By | 2026-06-15 09:52:01
Some great targets in today's expensive world.
By | 2026-06-15 09:35:19
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
By | 2026-06-12 11:01:55
Slideshow: Top 10 Fords at 2026 Ford Nationals
By | 2026-06-09 11:10:08
Based on years of owning multiple modern Ford products.
By | 2026-06-09 10:53:36
SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.
By | 2026-06-08 18:50:34
Here's everything you need to know about every Ford engine available for the 2026 model year.
By | 2026-06-05 12:58:01
Slideshow: 10 ugly Ford trucks that we still kinda love.
By | 2026-06-03 09:51:16
Slideshow: the best gifts for dads & grads
By | 2026-06-03 15:43:58
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
By | 2026-06-03 11:38:36