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Old December 29th, 2017, 13:10   #24
gmo
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Join Date: Dec 2017
Location: Co Durham , north east uk
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Quote:
Originally Posted by adamss24 View Post
6+6 blades always make more boost low down/mid range but they choke at high speeds. Gtx style 10/11 blades do surge badly on lower revs and support more flow as the revs climb ! As above, a billet compressor wheel can be made lighter than a cast one however many I have seen are built heavier by many grams compared to similar cast wheels OEM...
most billets are 20% lighter, my 11 blade do not surge as low revs , they spool up very quick but do seem to have less top end pull than 6x6.. go ask any decant turbo maker.. they echo what ive been saying.
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