Fuel question

[brs86supra]

ok guys i gotta question, i was in the middle of a na-t swap, and couldnt get it right. but i left the 440s in the car still adn i was wondering would leaving the 440s in the car hurt or effect the performance any. the car seems to run fine and everything.

 

[CRE]

You will probably run rich when the ECU is running in closed loop, but other than that it should be just fine.

 

[brs86supra]

ok thanks cause i do plan on going back the na-t route over the summer time

 

[CRE]

The ECU will adjust for an AFR around 14.7 in most conditions, but in some case such as when you just start stepping on it or at WOT it goes to a preset map... the only issue there is that you are flowing more per cycle then anticipated.

If you're an easy going driver you may not even notice.

 

[Rennat]

arent the injectore also high impediance where as the n/a injectors are low impeadince or something like that?

 

[CRE]

Good point. Pre89 had low impedance injectors, 89+ had high. All turbo's had low.