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Wheel Sizes/specs

Dale FZ1

By Dale FZ1,
in Engines & Forced Induction

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Dale FZ1 Veteran

Dale FZ1

Posted
Posted

Has anybody measured the dimensions of the compressor and turbine for the stock turbo units for an RB25?

Search showed that the Neo unit has gone to a larger turbine A/R housing.

I'm interested to see what the specs of the wheels are between the R33 and R34.

If anyone has access to stock turbos from either model, can you measure (accurately using verniers) the max/min diameters of the wheels (aka exducer/inducer) and post them up please.

Ignoring the materials the wheels are made of, it would be good to see exactly what changes Nissan made.

cheers

Dale

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CEF11E Veteran

CEF11E

Posted
Posted

both r33 and r34 have the same size turbine wheels. they also have the same size compressor wheels. However series 1 R33 has an alloy compressor wheel where as the series 2 r33 and r34 have nylon compressor wheels.

cheers :(

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https://www.sau.com.au/forums/topic/94567-wheel-sizesspecs/#findComment-1707603
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