Difference in turbo

J22b

Member
Wondering how much of a difference there is between the td04 and vf23, only realised that's not the factory turbo on the turbo 2000s.
Assuming it would have been mapped for it to work as has a few light light mods, exhaust,sport cat,hks intake and in love data not seeing any knock when in boost
 
Might help
 
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