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Garrett GT28RS "Disco Potato" Direct Bolt On?

S2peed

By S2peed,
in Engines & Forced Induction

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discopotato03 Grand Master

discopotato03

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The GT28RS CHRA is very similar to the HKS GT2530 , the compressor wheel is a 60mm 62 trim instead of a 60mm 63 trim . The tip height is slightly greater making it a more efficient wheel with slightly better flow . In original form the GT28RS uses a .86ARR T2/25/28 flange exhaust housing and a .60ARR TO4B compressor cover . ATP Turbo are now doing them with the optional GT28 compressor cover (internally same as TO4B) which has the two bolt inlet and three bolt outlet compressor cover . There is a .64 exhaust housing you can use but dont know if its suitable for TT RB26 .

S2peed Rookie

S2peed

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Well I am trying to hit the 450- 500 WHP with bolt on Turbos, downpipe and exhaust system, Intake system, intercooler kit, Camshafts, and a stand alone engine management.

I am looking for turbos with very minimal lag but able to push hard through the RPMs with out letting up in the high rpms.

I like the HKS turbos but there just too much money and for that money i can get the other components I mention up top. So I am looking at the garrett turbos. GT28R looks pretty good the GT28RS looks like is going to lag too much for my liking so I dont know.

Also I want to know if this Garrett Turbos will just Bolt right in to the Factory things. Thanks for your help

600hp Proficient

600hp

Posted
Posted

I would still go a set of HKS turbo's i don'r know why the americans don't like spending money on proven good parts.

we have GT-SS turbo's, we are currently producing around 480hp at the wheels.with hardly any lag.we make around 220AWKW at about 4000rpm, with a riv limit of 8500rpm.

Go the HKS path.

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