gmanatc97 Posted June 12, 2014 Share Posted June 12, 2014 I finally got my 78 280Z running again after putting in the new floors. So here is my problem: Engine runs really good, but when I let off the throttle (at any RPM) I start to smell fuel like its running really rich. It is a mostly stock motor, all I changed is: Header, 2 1/2" pipe to a flowmaster super 44, took out the charcoal canister and added an aftermarket adjustable fuel pressure regulator. Thanks in advance for everyone's help, not only on this issue but with the whole build. Quote Link to comment Share on other sites More sharing options...
NewZed Posted June 12, 2014 Share Posted June 12, 2014 Maybe it is running really rich. What's the fuel pressure? What did you do with the gas tank vent lines when you took the canister out? Did the gas smell exist before you made these changes? Quote Link to comment Share on other sites More sharing options...
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