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MINES machined 2530's

853 views 2 replies 3 participants last post by  lightspeed 
#1 ·
Can anyone enlighten me as to what they actually machine ?

thx
 
#3 ·
They might cut back the turbine blades for extra flow - enlarge the wastegate port flap valve and hole. A lot of small tweeks can be done to turbos. I had a an old Mitsubishi VR4 Group A rally turbo years ago that had the compressor housing gas flowed.

TBH - it makes only small % improvement - the most important bit is having the right compressor and turbine wheels.
 
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