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Is this turbo any good? R33


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here is a link to the ray hall turbo site, which has a compressor map for the to4e 57T compressor, as you will see, it just isnt capable of producing 500bhp, let alone whp, more like 350-400bhp before it is well out of its efficiency range or running high boost.

http://www.turbofast.com.au/FlowTO4E.html

Guest darrinspencer
Doesn't look internally gated either.  So you'll be up for for more $$ for the external gate and manifold :P

Same comments as Jay95r33

You see these type of ads on US ebay all the time

The turbo's don't have a brand name like Garret etc.

They look like a cheaper rip off

Even the ad looks like a copy and paste from ebay.com.

dude,

the wheel specs of the turbo plus the fact that it's running a A/R .63 exhaust housing definitely will not allow it to flow 530hp.

Steve,

also, the comp map on Ray hall's page shows that it would flow the 35-40lb/min worth of air with a larger A/R comp housing given the slant of the efficiency island.

with the A./R .50 on this one, it would be more efficient at higher boost but it will probably only flow up to 30lb/min which would equate to ~300bhp.

Steve,

it doesn't mention anything about the A/R of the comp housing, but i am assuming it's a larger on by the shape of the flow map.

also,

T04E turbos come standard with A/R .70 comp housings.

I could be wrong, but that's what i think.

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