Check out http://www.georgeklass.net/index.html, great reference for vintage drag cars. There are a lot of '37/'38 Chevys in the Gasser section.These are actual pictures of cars from the time, not modern interpretations. His pics cover from the mid 50's up to the early 70's.If I were building a gasser from the AMT '37, I would probably use a smaller Moon tank in front of the radiator and either use the stock grille or the cool smoothed out, one piece drag version, included in the kit. To be honest, that kit pretty much has decent stuff to build a gasser right in the box.If you use the drag front end, maybe lower it just a little, or you could modify the stock one. I like the idea of an SD 421, people think everyone always used Chevy motors in Chevys, but in that time period an SD Pontiac motor would be highly desirable and I have seen more than one '37/'38 or Tri-5 Chevy with Pontiac power. I would probably leave the stock gas tank too.I try to build my drag cars as authentic as I can, usually in the time frame of '64-'68, so I understand you wanting to sweat the details, but it seems that there was a lot of leeway from track to track with rules, especially the smaller ones. HTH.....