336 Tcds?
I find this thread interesting. So when I look at the tcds for 336 and the 337 they're several different engines approved for the 337, in regards to the 336, it only says IO-360-A , which has a listed tbo of 1500. Is there no variation of the IO 360-A that has similar improvements ie; increased TBO etc? Do any of the gurus on this website know of an stc or FORM 337 that has been accomplished on the 336?
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