I appreciate the offer Curt, but I kinda want to work this out myself. I have no doubt your truck is easily the best option as a ready swap option. I just want to work this one out until I can't move forward anymore. <img src="/forums/images/graemlins/lol.gif" alt="" /> So the Aisin 4dr trans wouldn't hold up? If I recall, the 4cyl trans I had in my 4door originally burnt up really fast. I ended up going with a non lock up V6 trans I sourced locally which hasn't had an issue yet. But I do understand the stock trans under a fully weighted trailer and 33-35 inch tires would more than likely fail... I'd also have to contend with the V8's lower torque and RPM range. Id end up frying the trans in the end, or just not getting the best out of the bigger motor... I am not the most familiar with the Chevy brand so I have lots of reading to do.