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Haha yea it's a bit of a weird setup at the moment, just wanted to make sure I sorted out any headaches before dyno day. At the moment I've changed the exhaust manifold, turbo and downpipe, 460lph fuel pump and rising rate reg as well as the previously mentioned headstuds and gasket. The nistune was already mapped for the car as it was and drove around for a few months no worries. The plan is to run flex fuel hence the big pump, which I've wired direct to the battery through a relay to avoid voltage issues. -
Um. Was the ECU the same as the one previously there? I know R33's needed R32 GTST ECU's or other tomfoolery to run Nistune. This is such a wild setup. Most people would plumb in the turbo then not drive the car (i.e tow it to a tuner). What's actually changed since it last ran? -
I'm a bit stuck with this one fellas, I recently decided to undertake a turbo conversion on my GTS-4, ended up pulling the motor to replace all the seals and do an mls head gasket and arp head studs while I was at it. Everything has gone according to plan, no oil or coolant leaks, compression checked out, and decided to give it a test before I book it in for a tune As it stands right now, the turbo only has oil lines plumbed so that I don't put boost into my untuned engine, and I'm using the factory GTS-T crossover pipe with a maf and poddy as a temporary intake. The car starts with relative ease and idles amazingly, however as the title suggests it really doesn't want to rev up, runs very smooth but almost feels choked out and unresponsive to the throttle, almost like it's running lean or something? I've triple checked my vacuum lines and timing with a timing light, injectors haven't been touched as of yet to avoid flooding the engine and worked perfectly beforehand, new plugs and coilpacks, I've even unbolted the cat just to see if it spontaneously collapsed, no dice The car currently has a nistune r32 gtst ecu installed so I have no way to check for fault codes. At this point I'm a bit stumped. Is this normal behaviour for a car with a turbo bolted onto the exhaust going nowhere? I'd imagine the turbo wouldn't cause this much restriction in the exhaust without the boost going through the intake. Any ideas? If necessary I can link a video of how it responds to full throttle while in neutral.
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