RE: Where to get a .15 size engine????? PLEASE HELP
I'd use much caution buying one used, especially a .15. Break-in seems to be very important. I have experience with the Thunder Tiger 15 ( no longer available ) and found it weak. The O.S. 15LA is a good engine and as with most O.S. engines have the reputation of being tough and dependable, but to reach the 17.5k RPMs, I usually need to run 30% nitro. I tend to prefer teh Magnum .15XLS. I have run several, breaking them in exactly as outlined in the manual, and have found them all very consistant runners and equal from engine to engine. IMO, outperforms the O.S. and that is running 10%. No particular place has the best price at any given time, so search the major sites on the web. I usually get mine for $52-62 plus shipping. Good luck.
BNC