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GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

boost creep with hellion turbo kit need help

Old 04-30-2009, 06:14 PM
  #31  
yanrider
 
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sorry, to be more specific I herd the boost leaking under load while driving...a "wastegate" like sound, but the noise would start from 0psi and up. I just finished cleaning all my boots and sufaces and re-installed and tightened. It seems fine now and I'm not getting too much creep. Mind you I have installed the 7psi spring, I think the fact the WG is a little too small combined with the 5psi spring is what causes the creep. I'll keep an eye on it. My AFR's arre around 10.3-10.7, but I could see a leaner tune causing more creep as the EGT's are hotter right?
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