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Old 01-03-2017, 03:44 PM
  #51  
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It's an aluminum center section
Old 01-03-2017, 04:22 PM
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Originally Posted by KMO43
Tuned by me. No I did not change spool. Remember guys they use the same housing. With the 71 being bigger and requiring more machining than the 67 what is the final exhaust A/R
So the A/R on the 71 is smaller than the 67, so we're not comparing apples to apples. The smaller A/R should be choking the 71 up top more than what it's capable of.
Old 01-03-2017, 04:26 PM
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Same housing with a bigger wheel that could be why 2 ppl are saying it spools faster than the 67. I have never owned a 67 so IDK personally




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