Wastegate 38mm or 44mm?
need to put an external wastegate but I do not know what to put between 38mm and 44mm. I have always had a wastegate actuator. what is the difference between the two? what wastegate you advise? I have a sr20det to 15 lbs of boost with a turbo GT2871R. with the external wastegate I'll get a 20psi.
Thanks!
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