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Author Topic: IS38 on a 1.8T?  (Read 924 times)
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« on: September 20, 2021, 04:51:20 PM »

I am currently running a hybrid K03….the GTT unit with the billet RS6 wheel in it on my 1.8T with E85. Peak of around 27.5psi tapering to 23ish at 6,500 rpm. WG duty cycle is pretty much maxed to achieve these numbers. I was given a used IS38 from a 2015 Golf R. Do you guys think there is enough of an increase in flow to justify the time for me to make lines/adapters etc to fit this turbo onto a 20V? Or should I save the IS38 for an MQB car someday and just buy a bigger turbo for my car?

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« Reply #1 on: September 20, 2021, 09:11:39 PM »

I got the K04-064 Golf R with 67.3/49.3 billet wheel on my 1.8T20v S3 I'm making power till 7000rpm at 1.4 bar boost
And think there's still room for improvement Next step K16 exh wheel So do it ill say
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