| phunk |
08-24-2016 05:27 PM |
Quote:
Originally Posted by Jayhovah
(Post 3543327)
I see... I am running a Walbro 255 (returnless) and I didn't drill anything. My fuel pressure is a little high at idle but I don't have any issues... You've previously told me i don't need to worry about the venturi since I'm not having idle problems.... What are the potential consequences of not drilling the regulator?
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The higher fuel pressure at idle is the consequence. A 255 isnt much larger than the stock pump, so it wont be too bad. A few psi spike at idle isnt going to hurt anything, the o2 feedback will compensate and keep the A/F in range. With a 350z a 255 can cause a really big spike. A 370z its not as big of a deal, and there is a pressure blow-off on the return side to help. |
