ABOUT 4AGE 20V

The blacktop has lighter internals that happen to be also weaker, but it is a bit quicker. No hurt if you're not doing any massive mods, but any pressured induction and you will be needing to uprate the blacktops internals.I had been gonna return the engine, but at last, Greg through the JJH team talked me into trying to keep it, and don’t regret