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02-24-2008, 01:29 AM | #1 |
Scooby Specialist
Member#: 127704
Join Date: Oct 2006
Chapter/Region:
TXIC
Location: TX/Austin
Vehicle:2015 Boosted Stang MAP tuned |
Two questions - one thread - 1XHW 1XSW
Firstly If I remove after market header and upipe and revert to stock how much could it mess up my tune?
Secondly, My Absolute pressure feedback in Romraider test release is maxed at 18.4 even though my atmospheric pressure is 12.5 and my total pressure is as much as 33-34?? any known bug? Cheers and appreciate your advice/answers
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02-24-2008, 06:48 AM | #2 |
Scooby Specialist
Member#: 103136
Join Date: Dec 2005
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No, it is not a bug. It is a function of the Subaru ECU. "Manifold Relative Pressure", a standard SSM parameter, will always be limited to 18.43 psig regardless of atmospheric pressure. You should be logging with "Manifold Relative Pressure (Corrected)". This still has a limit, however, it will be impacted by local atmospheric pressure. In your case, at 12.5 psi, the corrected parameter will read up to 24.5 psig. If you need more than that, then DL and install the latest romraider defs and log "Manifold Absolute Pressure (Direct)" which has NO effective limit.
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02-24-2008, 07:04 AM | #3 | |
Scooby Specialist
Member#: 127704
Join Date: Oct 2006
Chapter/Region:
TXIC
Location: TX/Austin
Vehicle:2015 Boosted Stang MAP tuned |
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