J J JD7520 Dec 23, 2014 Interested in learning more about your experience with gen 2 promos charger? We are an alky Superstock tractor. Thinking of running these as twins single stage. I see your experience is they build 80+ lb of boost at 90lb back pressure
Interested in learning more about your experience with gen 2 promos charger? We are an alky Superstock tractor. Thinking of running these as twins single stage. I see your experience is they build 80+ lb of boost at 90lb back pressure
