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I believe from memory Group A R32's ran up to 18x10J inch rims.

What are the units, please?

I was thinking more about a double cone type of air filter. I heard a while back that they can loose the internal end cap. I have never seen this personality though. I was curious. As for the temperature difference, is there any chance of a bad instrument reading?

Air filters fitted?

Any bent valves? Could be a very expensive experience...

Looks good.

I am trying to picture this... I don't suppose anyone has a diagram to share?

Efr7163 *2 at 60 lb/min vs a 9180 at 90 lb/min. Combine this with better throttle response and packaging on the v6 and there is little to loose. In my opinion... Incidentally, 2.2 x 11k is approx 8 to 9k for a 2.8 or 3.0. My thoughts then turn to a full on twin 7163 being the better bet on an all out 3.2L Rb26. I haven't seen this demonstrated vs a similar build using a maxed out 9180. Particularly in the power, throttle responses and reliability. For most folk the big single is cheaper and a better package given that you have more than enough power to overcome grip on all corners until the end of third gear! Those were 255zr17 yokos on built 2.7 running a T78. Happy memories, but a pig for the throttle response....

Twins in the oem position?

I have witnessed the Wifbitz manifold and turbo setup running in a tight time circuit time attack r32. It went like stink! As for the waste gates sounds they are muted. I was just staggered at how the beast ran.

I think that the point of variable intake cam timing is to be able to have the torque building / boost earlier (better cylinder filling... ), whilst also having a large duration at higher revs.

A very good question.

Me too, please...

Is it enough flow for the hp required ?

The smaller engine has to run at a higher boost pressure to make the same power. Therefore the position on the turbo compressor map will change. Usually to less efficiency and so higher temperature.

What turbo manifold are you using?

What is the rpm scale?

Engine details? Would help us to make a comparison...

Is that a Gtx3582? At what boost level?

Is that a Gtx3582? At what boost level?

I was under the impression that the GTX range of Garret turbos used a metal cage... I could of course be wrong. Thanks for the answers though.

Do the HTA FP 3582 & 3586 turbos use a metal or plastic cages in their ball bearings?

Just look up "mad Mac evo". He has successfully run a compound turbo supercharged car. An evo . Which is a winning machine!

Any news on how this went ?