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best hiflowed turbo

warpz0r

By warpz0r,
in Engines & Forced Induction

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warpz0r Proficient

warpz0r

Posted
Posted

hi all

have a stock r33 turbo and read in a previous post one of the cheapest ways to have it hiflowed is to have a vg30det turbo exhaust housing and wheel put on it..

what other turbos would bolt up to it to give it an even greater flow?

im looking at cheap options and dont want to spend more than $600...

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Cubes Grand Master

Cubes

Posted
Posted

Nothing was mentioned about a wheel.

It was the vg30 turbine housing machined to suit the gcg rb25 450hp highflow turbo.

Fitting a VG30 exh. housing on the rb25 turbo will give you a little more top end, it simply bolts up and doesn't require any machining.

However, you will loose a little mid range, possibly loose average power also, this 'may' make the car accelerate slower even though its making more peak power.

It really should only be done in with a compressor and turbine wheel upgrade. Hence highflow.

$600 will get you nothing.

What power and mods do you have now?

Cubes Grand Master

Cubes

Posted
Posted

Well thats a different story then.

Bolt the vg30 exhaust housing on the rb25 turbo for sure. It will shift the rpm band upwards where you actually use it. lol 2000-3000rpm acceleration sucks after awhile.

I plan to bolt the vg30 exhaust a/r on the stock rb20 turbo and give it a cheap tune to see how exhaust a/r affects top end power and the speed of the car.

At the moment I have to change up at 5000rpm or a shade over, thats 3 gear changes to 100km/h and also .5 of a second slower to 100km/h.

It really needs to rev more to take advantage of gear speed.

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