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Old 10-11-2017, 02:43 PM   #1983 (permalink)
perez519
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Join Date: Jul 2014
Location: canada
Posts: 7
Drives: G37 IPL
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Quote:
Originally Posted by TBatt View Post
The top graph looks like classic belt slip to me. The bottom one looks like a tuning issue.

Did you do any changes to the exhaust such as removing the stock cats and going to test pipes?


Yeah talking to my tuner now. He also thinks it might be Uprev's ROM updates! But not sure yet.

No changes to exhaust system. Just the anti- slip pulley kits and a re-tune to clean up the top end. Was hoping to pick up 9psi and little more top end power.


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