David brown 780 re-birth part 2 Pistons & injector referb.

Llord Jackson and buzz the dog tackle the David brown 780 engine block ,with pistons and injectors nozzles testing them with a pressure tester. will everything be in tolerance? will they break another piston ring? will the injectors make the correct pressure? Matt the engine builder shows us how to strip and clean the injectors and test and set the pop off pressure #pistons #david brown #780 engine re build #injector testing #Llord jackson and buzz the dog #classic tractors #leyland tractors #zetor tractors