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      11-03-2012, 02:59 PM   #19
Sal@Evolve
BimmerPost Supporting Vendor

 
Drives: Slow
Join Date: Feb 2008
Location: Luton, Bedfordshire

Posts: 1,055
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Quote:
Originally Posted by DLSJ5 View Post
Here's what Gustav claims it runs Sal, 6psi, not far off from what you think it is -
No wonder it's not keeping up. On our dyno that would not break 575hp even with 95 US / 99 Euro Octane.

We have plenty of evidence of that!

We complained at the low HP readings compared to the first car we did. It was suggested that there was a boost leak after logging everything and compared to first car. Did boost leak test. 100% no leaks. Measured pulley.... different! Went from 5.5 PSi > 7 PSi. Made 600+ HP.
It never drove right on with 5.5 PSi setup, the map was clearly not designed to run this low boost. As soon as it went to 7 PSi which was what the calibration was made for it totally transformed the drive and power.

You need near 7 PSi to achieve 600hp which is what the VT2-600 actually achieves according to the UK dealer over here on the same machine as ours.
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