I have a 2008 Silverado short bed 4x2 with the 4.3 4L60E and open 3.23 rear the truck is a dogggggg I want to upgrade to a V8 later but for now can the truck be tuned and if so what is the cost there are no hand held tuners available and I can't find anyone who can tune the truck is the 08 really different
thanks
Robert