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cakefarts.com
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Discussion Starter · #1 ·
I just swapped in my blue-tops and 20* chip, at 16# boost it's knocking between 2-7 *. Fuel pressure set at 42-45, makes no difference,still knocks. If I go up to 45, it stumble off idle, at 43 it's ok.WTF?
 

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cakefarts.com
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821 Posts
Discussion Starter · #2 ·
Oh yeah, 02's are 790-825. wink
 

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What is your combo? Turbo size?

What chip/injectors was in it before?

Leave your FP alone, it should be around 43psi. That is not your problem
 
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