tryingtobebest wrote:
#1 What would be absolute max boost/output of the stock fuel system? (I meant mechanical pump with upgraded lifter pump)
#2 If i throw a bigger turbo with intercooler and head gasket with studs what would be next limitation?
#3 Ever considered going something like 6.7L Holset VGT turbocharger, or something similar? Many in 4G63 community using similar on a 2.0L with manual (boost controlled) VGT fins control!?
1: well there is no boost limit like in gas engines, well your engine goes lean, but it does not harm the engine like in gas engines... but there is no reason to go over 2bar with stock injection pump
2: bigger turbo, intercooler and mls gasket + studs.... well next limitation for power is that rotary injection pump, it just dont work in high rpm are like over 4500
ofcourse your clutch will make harakiri if stock
3: yes, but boost operated vnt:s are problematic... and vnt turbos are well known ext pressure makers... and i dont trust those,
My friend has vw caddy 1.9tdi with compound turbos LP turbo is garrett gt40 and HP is small vnt.... lot of problems with that vnt... even that is electrically controlled with ecu... but still it made 400hp