Hi guys, I'm new to the site from Shreveport LA. My truck is a little older but I have a question to ask all of you. I have been looking for some time into getting a newer GM vehicle, possibly an LS1 T/A. However, recently a good buddy of mine got an ext. cab Sierra with a 4.8. I'm hooked and now I absolutely have to have an LS-based truck. My question is this: it may be a stupid question but what is the real difference performance wise between extended cab trucks and regular cab? Obviously there is a weight issue, but I see a whole bunch of significantly modded ext. cabs on this site that seem to handle themselves quite well, maybe even more of those than regular cabs. Is this just a preferential thing or what? I am personally used to the short wheelbase but extended cab seems a lot more practical as far as storage space etc..can someone please share some insight? I'm getting a 5.3L truck, 2wd either way, within the next couple of months or so. Thanks guys