si puedes permitírtelo anímate con el proyecto es muy reconfortante y se aprende un montón gestionando uno mismo un proyecto de estos.
Voy aportando info de los motores "compatibles"
Engine code AWM/AEB/ATW/AWD/AWW/AWP/AMU/AMB/AGU/BAM/AYP Configuration 1781 cm³ inline 4 Head DOHC, aluminum, 5-valves per cylinder, hydraulic bucket tappets, 9.5:1 compression ratio Cylinders bore * stroke 81 * 86.4 mm, cast iron engine block Pistons Forged Aluminum Mahle, fracture-split forged steel connecting rods, one-piece cast or forged crankshaft Fuel System Motronic ME 7.5 electronic sequential SFI fuel injection, premium unleaded recommended Aspiration turbocharged, intercooled, cast aluminum intake manifold. Output 110 kW (150 PS) @ 5,800 rpm and 220 N·m (162 lbf·ft) @ 2,200-4,200 rpm; available on the New Beetle, Bora and Golf, Audi A3 8L and Audi A4, Skoda Octavia and SEAT Ibiza. (Engine codes: AGU, AWD, AWW, APH, ATW) 120 kW (163 PS) @ 5,700 rpm and 225 N·m (166 lbf·ft) @ 1,950-4,700 rpm; replaced the 150 PS version in 2003 on most models. 125 kW (170 PS) @ 5,900 rpm and 225 N·m (166 lbf·ft) @ 1,950-5,000 rpm, available on the Passat and Passat Wagon. This version only exists on North American and emerging market engines. 132 kW (180 PS) @ 5,500 rpm and 235 N·m (173 lbf·ft) @ 1,950-5,000 rpm, available on the VW Golf GTI (http://en.wikipedia.org/wiki/VW_Golf_GTI), Bora/Jetta, New Beetle, Audi A3, A4 and TT, Skoda Octavia RS and SEAT León and Toledo. (Engine codes: AWP) 140 kW (190 PS) @ 5700 rpm and 240 N·m (177 lbf·ft) @ 1,950-4,700 rpm, available on the Audi A4 and TT. 165 kW (225 PS) at 5900 rpm, 280 N·m (207 ft·lbf) between 2200 and 5500 rpm; used in the Audi TT and SEAT León Cupra R. This version is built in Győr. 176 kW (240 PS) @ 5700 rpm, 320 N·m (235 ft·lbf) from 2300 to 5000 rpm, used in the 2005 Audi TT quattro sport, (9:1 compression ratio)