Audi Coupe Quattro 7A 20V 5Cylinder Engine Startup

Trying to start my old Audi Coupe Quattro Type 89 with 7A 20V 5 Cylinder Engine with 170 hp
Mods:
Fidanza Aluminium Flywheel

[@smallweights]

It's the fuel pump non return valve on the fuel pump 👌👍

[@CB-sh9zz]

Waste of time to watch and revving a cold engine to 5k sure is a good idea

[@aRYANz88]

Idle air control valves toast

[@SteveDave29]

Give her some TLC!!!

[@SteveDave29]

Geb Ihr etwas Liebe! Bitter!!

[@gasnikas]

Sound like a weak compression in some cylinder/cylinders..