Alright i have a 96 RCSB Silverado with the 5.7l Vortec. all i have is gutted cats, flowmaster 40s with turndowns. I am about to get a tune just in midle of deciding which tuner (nelson or wheatley) And im wanting a 100 shot. my truck has 210,000 miles on it, but it runs very well and its very well maintained. Its got new dist, ignition all that in it, but its all stock. How much could i safely run on it without risking my motor? all information appreciated!
Thanks!