For the $15 I would support the local shop as well. Good call! Prob a good idea to keep the speed and power down some for a brand new driver as well. Nitro can Def be intimidating. I think maybe more so than electric even.
I'd like to know how the Lodi carb works out.
I mentioned the traxxas engine exchange because lots of ppl don't know about it or have forgotten it. It seems like a realistic option for you and for @Got Nitro?
If it's that easy to turn, I'd say that the compression is your issue. If you don't want to do the work or spend a lot for a .21 you can always use the traxxas engine exchange program that they offer. It may be your cheapest route.
I have heard lots of different stories. In my case, both of my...
It does sound like an air leak issue. You may want to pull the needles out of the carb and just have a quick look at the orings. They aren't hard to mess up. Be sure to use a lube in reassembly as well. Associate's green slime is what everyone likes to use in there but even some vasoline is...