An engine designed from scratch? As in 100% filipino designed and made? wala pa yata sir. Kahit yung mga simple na 2 stroke wala pa yata tayo.

Una, napakamahal at time consuming mag design at magfabricate ng four stroke cycle na engine from scratch, aabutin ng taon at limpak limpak na salapi para makapag design at makapagfabricate at hindi pa sigurado na magiging reliable ito. In fact car manufacturers have entire divisions dedicated to "powertrain development" with hundreds of engineers.

Pangalawa, wala or kulang tayo sa 3rd party mga industries na may kakayahang gumawa or mag mass produce ng engine parts like engine block, pistons, crankshafts etc. Lahat puro imported tayo.

Pero malay natin meron palang pinoy abroad na nagkaroon ng experience sa pag design ng engines at one day he/she could share knowledge on that matter.