Originally Posted by
tipstall1
The twins do sound awesome. Are you familiar with the asp 1.60 twin? It’s about 600$ cheaper than the OS but I don’t know anything about their quality, reliability etc.
I have the Magnum 1.60 twin. It easily flew my 1/4 Sig Spacewalker. It will go in a BUSA Smoothie XL, next.
I like the engine, but I switched out the stock needle valve and seat for the OS equivalent. The engine holds needle settings better, now.