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Maximum Efficient Boost

Hi Guys

 

Looking for you tuners to give me some advise.

 

I own a Uk spec Z32 series 2. About 4 years ago (3000 miles) i had a new Nissan short engine and 2 stock tubs fitted. I have recently fitted the following bits :-

 

Greddy Profec B Spec II Boost Controller

Blitz SUS Air Filter

Koyo Radiator

Greddy Intercoolers

Uprated ECU

Apexi BOV's

Megan De-Cat Pipes

Under Drive Pulley + Belts

RPS Max Clutch

RPS Lightened Flywheel

RPS Pin

New Thermostat

New Oil Pressure Switch

New Water Pump

New Oxygen Sensors

Earth Grounding Kits

 

What would be the highest boost i should use, to get efficient boost from stock tubs, hoping for 15-16PSI. They are brand new. Plan on running until die. then replace with say 530BB's.

 

Will my injectors supply enough fuel for that level of boost on stock tubs?

 

I have a new set of 555's. Is it worth while fitting them instead? I have heard that at 15-16PSI stock injectors are maxing out.

 

Plus, what pressure will stock internals take?

 

Regards

 

Kev

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    If you fit the Injectors, then 16psi would be an efficient setup. I would'nt run 16psi on stock injectors.

     

    by 18psi the stock tubs are producing too much heat to be efficient, not to mention the shortened life span.

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