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RB20 airflow talk

Turbine

By Turbine,
in Engines & Forced Induction

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Turbine

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Posted

Hello Skylines Australia. I have an interesting subject i would like to chat about.

My project is to produce as much power out of the RB20 engine with the least amount of effort, meaning i want it to breath easily.

I have a couple of things i want keep constant though, for now at least.

8000RPM rev limit

standard crank rods and pistons

Aftermarket exhaust manifold

Modified stock intake

I would like the torque curve to start its climb upwards at right on 4800RPM. At least be well on it's way upwards. Before this speed I'm not interested in making grunt.

This engine has an Autronic SMC ECU attached to it, is a 3 speed automatic with a trans brake - Drag use only.

Their is also another important thing about it, it's a normally aspirated engine that i wish to run boost in.

Sounds impossible??? I think not

I have plans to upgrade the bottom end and the head, but for the moment all I want to do is run this settup with the propper turbo, injectors, intercooler and things like this.

I do have a goal of 450-500BHP, so i need to know from you guys what sort of turbo I'd need to run that sort of power. But if I get responses of numbers of models of turbos I'm lost, I have very little knowledge of what a gt30/gt40 has to offer in the way of airflow capacity under boost.

I'm looking for something different, the right combination of parts to run low boost levels but with massive AIRFLOW in mind.

Like an RB20 that kicks a 25's butt.

I'm sure somebody would like to see that

Thanks guys

Turbine.

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