Piston slappers

[Bobert]

I keep seeing posts about piston slap, so I searched to see what it was. I found a whole web site devoted for you piston slappers.

http://www.pistonslap.com/photos.htm

 

[427Z06]

"Chevy...like a knock"

I can almost hear Bob Seger in the background!

 

[GSV]

Wow, I had no idea GM was using that radical of a Piston design. If I had one of these slapper motors I'd have even nastier graphics on the back of my truck.

 

[Drew99GT]

That piston there is one of the new "fix" ones with the special "anti-knock" coating on the thrust sides of the skirt.