Dirty Bird The Fastest Pontiac Ever - Down And "Dirty"
|
Here we see a rod and piston being assembled with buttons, which are used in place of snap rings for two reasons, Jim says. The first one being ease of assembly and disassembly and the second is because the pistons will actually grow and the aluminum buttons allow the wrist pin to move without binding. These are needed for blown alcohol and nitro engines. View Related Article
|
|