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Old 06-09-2015, 08:17 PM   #9
angryBits

 
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Drives: ZL1 1LE A10
Join Date: Mar 2015
Location: CA
Posts: 1,093
Quote:
Originally Posted by Stephen12ZL1 View Post
headers & CAI can cause a bit of off idle sogginess that will subside as the rpms climb. If you get a pulley upgrade, it will raise your eyebrows. Your overall power is up now, but boost comes on slightly slower and your powerband rpm has shifted up. Don't be disappointed as your situation is easily fixed if you go as low as a 10% overdrive lower pulley. You should go with a 9.17" lower (18%) so you will be within the limit of stock injectors. If you want more, upgrade to ID850's and put a 10" lower ring and you will have a permagrin!
What you described is exactly what I'm experiencing. I believe it's normal.

I will definitely do a pulley upgrade but I'm going to try to pace myself as best I can
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