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When u rex guys start getting into big HP figs.. what happends to the MassFlow?

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Old Dec 26, 2001 | 09:28 PM
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Spooledup300z's Avatar
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From: Leighton, PA
When u rex guys start getting into big HP figs.. what happends to the MassFlow?

I know us piston ppl.. go with SDS.. or Vein pressure.. what about u guys????


cause most big time HP rex's dont have the mass..

enlighten me:p
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Old Dec 26, 2001 | 09:44 PM
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From: st pete
dont we start with a map sensor?????
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Old Dec 26, 2001 | 10:25 PM
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From: Leighton, PA
O well i did'nt know that.. thats why im on the board now
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Old Dec 26, 2001 | 10:39 PM
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From: Tucson Arizona
yep go with a map sensor!
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Old Dec 26, 2001 | 11:27 PM
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and for 300z's, not to many people use VPC's.. most run dual intakes with a ecu program from JWT that reads the air flow from the one afs and doubles the reading(since the other intake has no afs.. you can also go with a apexi S AFC and run two AFS since the afc can run dual afs(skyline)
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Old Dec 27, 2001 | 05:39 AM
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From: Kannappolis, NC
The 3rd gen didnt come with mass air flow at all, it uses an air density system.

Thats why the computer has to be remapped/replaced unlike 300z and Supras after a couple mods - there is no measuring device that alters fuel based on what the actual current air intake is, only maps that are based on what the air flow should be.
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