TwinTurbo.NET: Nissan 300ZX forum - JWT programs tend to run richer than that, so it appears
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Subject JWT programs tend to run richer than that, so it appears
     
Posted by Ash's Z on June 28, 2006 at 3:05 PM
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In Reply To Re: :shrug:, You asked for opinions... posted by captn boost on June 28, 2006 at 12:05 PM
     
Message that you have an issue somewhere.

Do you have your dual intake hooked up with Dual-MAS via the SAFC or are you using a single MAS? What exact dual intake are you using?

I would take two wet sponges and attach them to my MAS units before I'd dream of putting Apexi filters on my car.

If you are using a single MAS and a split dual intake (like the JWT dual-pop), you are likely seeing a leaner mixture due to turbo actuator balance (the passenger actuator is slightly tighter than the driver's side).

There are a lot of other possibilities, but given how flat the A/F is all the way to redline, I am not inclined to say that your fuel pump is any issue, or the filter. Might want to check and see what your fuel pressure is although I'd bet you will find there aren't any issues there.

Dual intakes have to be setup properly and actuator balance is critical when using a dual setup - unfortunately when building these cars to make more power, you also introduce more complexity to the system - the intake setup being one of the most critical. What dual intake are you using?




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