Most S/C owners swear that you have to do all the fuel and tranny mods or the thing will ping like crazy and fry your transmission. Others, who have 99+ models, say that it is not necessary on their late model third gens because of a different fuel mapping program. They recommend a tranny cooler, but thats it. Question is, how do you know unless you've been running a S/C for 2+ years on a 99+ Someone help us out here.

Are all of the fuel and tranny mods necessary??????

Matt