The thing is power is not the problem.
Also, TF-6000 is a pretty good engine, but they will test some stuff like TVC, Divergent Convergent, IR stealth and others.
RR does have experience but it depends on how much they want to share
Probably to get better relations with UK and get a secure plan of TEI fails, I think that even if they choose RR+Kale, TEI+TRMotor will work to develop an engine for both exports and tech
From İsmail Demir's statements
"Kale ve Rolls-Royce ortaklığının teklifini bekledik. Biraz süre uzatmak gerekti. Onların teklifinin daha somutlaştırılmasıyla ilgili süre vermemiz gerekti, onu bekliyoruz. O geldiğinde daha net bir değerlendirme yapabileceğiz."
"We waited for the offer of Kale...
We are not, probably they will use to produce some for replace some tanks at at least have a modern tank.
We will probably equip a different transmission when one breaks down, which will be more frequent than Renk one