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Discuss all things tuning in this section. News, products, problems and results.
We have the car running good until 4500 rpm then its is like the rev limiter kick in.. first go at G4 so I think all rev limits off.
Basic stock VK56 2008 with ITB's, headers and 370 6 spd adapted. Stock harness and all stock sensors rewired to work with the G4+ extreme. smooth idle good excel. pictures and video on Facebook mckinneymotorsports (red gt250)
We will get to the bottom of your problem much quicker if we had some data. Please do us a log and send us a copy of that along with your map and we will take a look.
Video guide how to set up the PC logging if you dont know how: https://www.youtube.com/watch?v=_P1LRANeO4A
Please send the files to Put a brief description of the problem in the email or include a link to this post so if it's not me that looks at it they will still know what its about.