We were a bit skeptical of the direct injection (DI) 5.3L L83 mills when they first started showing up in the salvage channel. After all, the 5.3L LM7 was a proven LS-swap powerhouse for those on a ...
An engine's oil pump dispenses the pressurized lubricant that prevents opposing surfaces from contacting one another, carries heat away from certain areas, and maintains minimal valvetrain lash when ...