TwinTurbo.NET: Nissan 300ZX forum - Re: How much boost drop is normal?
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Subject Re: How much boost drop is normal?
Posted by Bigmatthew86 on February 09, 2018 at 12:48 PM
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In Reply To How much boost drop is normal? posted by Bigmatthew86 on February 05, 2018 at 05:32 PM
Message So I did a few things today. I had a borla exhaust on my parts cars that I installed the back muffler sections to stop my cheap ebay exhaust from turning my bumper black. I also tightened all the clamps under the hood I could find. None appeared to be loose. I was a little concerned as the borla is 2.25 vs 2.5 I had. So now I have megan dp/tp, ebay 2.5 resonated h pipe, & the 2.25 borla muffler sections. Low & behold the car hit 16psi & held it to redline. I had to adjust the low & hi settings to keep from over boosting. Not sure what changed but I'm happy.

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