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Hi all , am interested to know if anyone has a HKS TO4Z or comp cover lying around . The little doers at High Kost Spec have found ways to improve on the diffuser section of their compressor cover and I want to see what it looks like . So any pictures of the inside or wheel side of one of these covers would be real handy .

Cheers Adrian .

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What I mean is the front cover (compressor cover) removed so we can see from the inside . The diffuser is the flat section that forms a funnel shape that the compressor wheel vanes are profiled to fit inside . Mitsy is also crowing about widening the diffuser section of the Evo 9's std turbocharger to help pull up the bottom end of the power curve .

Cheers Adrian .

ive seen the back of them on juds one.

basicly the same design as the ta45 ta51 gt42 garrett compressor with the small holes feeding the lower group of blades.

just with a pretty cover bolted on instead of the usual 3 or 4 ports on the comp cover. but yeah no pics. im sure if you pm judd hel give you more info.

hope that helps.

Thanks Guys , its really the diffuser section I need to see rather than their glitsy port shroud hunk of Swiss Cheese . The diffuser is the bit where the funnel section transitions into the flat section which is parallel with the backplate just beyond the compressors exducer blades .

The ask is because I'm cooking up a BB hybrid that I don't think has been used in Aus before and its not GT35R or T4 turbine based .

Cheers A .

Edited by discopotato03

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