my buddy brice here on vortex, i believe his user name is 1991-20v
ran a 2871 .63 a/r on a stock 1.8t which hit 19 lbs by like XXXX rpm ( i believe it was like 3700, youll have to pm him to get exact details)
anyway, when he switched to a .82 a/r to see if itd be more advantageous, he only gained 12whp and it took 1000 more rpm to fully spool.
although your 2.0 will flow a little more than a stock 1.8 aeb, i wouldnt call it a very streetable setup on an even bigger turbo, with a big a/r
id venture to guess 20psi spool would be after 5000rpm, just an assumption however
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