Hi all, I have a big problem with a
Vw Golf GTI 2.0TFSI BWA engine.
APR K04 hardware and software, APR down turboback exhaust, APR intake, fuel injectors, this car make 325 HP in the dyno test, the car is for street use and weekend track days, the car worked perfectly, in the street and in the track, one day the engine dead, we unassembled a engine and the #4 piston are broken, the piston melted, we repair the whole engine, we install supertech pistons oversize at 82,5mm, all parts brand new, we change a 4 Fuel injectors, because one injector damaged could generate the piston broken, after start the engine the car run good about 15 days and 560 km, and the engine started making a sound, we check a engine and the sound was by the #4 cilinder again, we unassambled a engine and the #4 piston are broken again, the cylinder are damaged, but the pistons 1,2,3 are perfect, the problem is only with #4 piston, we install other supertech piston and repair the cylinder, now to 83 mm over size in 4 cilinders, we check all in the engine , oil supplier, all tolerance, etc, and assambled the engine , the car start again, after the car work for 600 km, and the sound again, unassembled the engine and the #4 piston is broken and melted again, I dont know what happen with this engine, the other 1,2,3 pistons and cylinders are perfects, somebody helpme !!!!
attach some piston pictures
Remember all time is #4 piston
https://mfdd4g.dm.files.1drv.com/y4...Q4Re_-Zxg?width=578&height=1024&cropmode=none
Thanks
Vw Golf GTI 2.0TFSI BWA engine.
APR K04 hardware and software, APR down turboback exhaust, APR intake, fuel injectors, this car make 325 HP in the dyno test, the car is for street use and weekend track days, the car worked perfectly, in the street and in the track, one day the engine dead, we unassembled a engine and the #4 piston are broken, the piston melted, we repair the whole engine, we install supertech pistons oversize at 82,5mm, all parts brand new, we change a 4 Fuel injectors, because one injector damaged could generate the piston broken, after start the engine the car run good about 15 days and 560 km, and the engine started making a sound, we check a engine and the sound was by the #4 cilinder again, we unassambled a engine and the #4 piston are broken again, the cylinder are damaged, but the pistons 1,2,3 are perfect, the problem is only with #4 piston, we install other supertech piston and repair the cylinder, now to 83 mm over size in 4 cilinders, we check all in the engine , oil supplier, all tolerance, etc, and assambled the engine , the car start again, after the car work for 600 km, and the sound again, unassembled the engine and the #4 piston is broken and melted again, I dont know what happen with this engine, the other 1,2,3 pistons and cylinders are perfects, somebody helpme !!!!
attach some piston pictures
Remember all time is #4 piston
https://mfdd4g.dm.files.1drv.com/y4...Q4Re_-Zxg?width=578&height=1024&cropmode=none
Thanks