Am looking for advice on my 400bhp build..
Looking for info on what parts, where to buy, prices etc. I have a GSi turbo mk4 with Z20LEH VXR engine fitted. Previously running 290bhp but I have now removed the engine for my 400bhp build.
Needing to know what turbo and manfiold to run, best internals, what head work needs dones to handle the power, clutch for that power, where to buy (regal, CS etc)