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It's just the design of the turbo.
How does it go ok?
responding well to the pedal

mine starts to wind up in 1,2,3 gear my boost is at 14 psi
and runs between 8 and 10 psi cruising along the hwy goes to 12 under load
i recon yours should be ok

Mine petrol turbo whistles on 10lb mate - very normal as far as I'm aware ...

Most if not all mass produced engines have exhaust manifold made from cast iron, Nissan's ZD30 included, cheap to make, good heat resistance.
Cheers

Hi mate, not sure on your setup regarding the exhaust manifold but is yours a cast iron mold? These are less prone to cracking however do hold the heat more which means the boost can kick in during...

Hey Mate

Had a quick read though all of this to answer your first question 20psi of boost is not to high crd engines can run crazy amounts of boost without doing any damage to them. they are not...

I’ve done my exhaust manifold and needed machining, from what i was told by Nissan and read on forums it’s not that uncommon mine went out around 30,000km due to overheating up the Toowoomba range...

So you are in Adelaide than....which Nissan dealer is your Patrol at? The Bosch agent is MTQ at Opala st Regency Park I suppose they're alright I've only dealt with them through work(heavy trucks...

How did you go today? Are they fixing it this time or just replacing failed parts again?
Cheers

Turbo has a "slight oil leak" is very broad description of a problem. Where is that leak? On the inlet (compressor side) or on the exhaust side (turbine) I wouldn't be surprised if the oil leak the...

I have Dawes Valve fitted set 18psi and a boost gauge. The Maxium boost it gets to is 14psi, generallt running at 10-12psi, so i think 20psi a bit high

cheers

fred

Injector trim codes are stamped on the housing/body of the injector and the codes are entered as parameters in the ECU for each and must be correct for every cylinder. So either take it to Bosch fuel...

While CrD ZD30 can run at higher boost than previous Di and for sure can run hotter EGTs (up to 700°) something is amiss if a tuner needs to compensate with increased boost for what appears to be too...

Gday mate,

have you fitted a Dawes valve? have you set the boost to 20?

Seems too high? have you got a Pyro gauge? what are you temps like? why have you boosted it up so high? Has it ever been...