Well, its so easy to tune an engine a "caveman" can do it! What you need to do is learn how to properly tune an engine. There are foolproof techniques and procedures which are in print but rarely used. You want to learn, you let me know and I'll write it out for you.

We had 2 HobbyTowns here in New Mexico and they both went bankrupt a couple years ago. They tried to corner the market here and it failed. They ordered every highpriced Arf known to man and had it on the shelf. it was actually impressive to see walls and walls of 120plus size planes but hey kept them at the high retail price and they just sat their . By the time he came around , the majority only went in to buy little hard ware and stuff but left the major purchases for the other stores.