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930LDR 930LDR is offline
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Join Date: Dec 2004
Location: Danville - CA
Posts: 1,259
Originally Posted by kellcats521 View Post
Of course it pulls hard thru redline - once that wastegate opens, the pressure is 'fixed' on the intake side. Only if the turbo flattened out enough at high RPM to allow the wastegate to close would you see any decline in performance. Once the wastegate is opened, it basically doesn't matter what turbo is used, as long as it can keep it opened until redline.

I did post another reply to the original thread as well.

Pat K
87 930

Right... and my point is that my 7200 couldn't maintain 1B of boost past 5500+ rpm. The HFS will. Additionally the boost itself comes on much more smoothly. Not as on/off as my prior turbo.
Rob Montgomery
'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 08-09-2007, 07:14 AM
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