TwinTurbo.NET: Nissan 300ZX forum - If I'm not mistaken, the JWT Dual-POP doesn't come with
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Subject If I'm not mistaken, the JWT Dual-POP doesn't come with
     
Posted by AshsZ (FabZEM All) on June 07, 2003 at 4:04 PM
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In Reply To So only 1 on JWT and 2 on doolz in this test. (physical MAS) posted by Ed(Toronto) on June 07, 2003 at 03:43 PM
     
Message a dummy MAS. Regardless, there will be variations in the A/F with the JWT Dual-POP which will require the purchase of an AFC (~$300) and arduous tuning to correct - something most people dont want to be required to do to make their car run right after already purchasing a $500 intake system.

I can appreciate the concern that what I am saying is the facts - some people seem to get caught up in the social dynamics and neglect the data provided. I'm certainly not pointing fingers at you on this - you bring a good point to the table.

I guess the one thing I may have taken for granted here was the knowledge that the JWT Dual-POP creates undesired variations in the A/F. I have tuned several cars running it and noted that even with cars of the same mods running the Dual-POP, the fuel mappings were nowhere near the same. They all had the same general trend; leanness around 4000-4500RPM, then pig richness after that - but the amounts of correction required to get the A/F stabilized between any two car using that intake were significantly different. This is one of the reasons the DOOLZ idea I have come up with actually came to mind. The problem lies in the design of the Dual-POP with its totally split design. Its easily corrected and should have been when the designers of that system put it on the dyno and realized that you can't to it that way and expect the intake dynamics to remain the same. I just took it to one more step of refinement and I'll be taking it to the next step for FMIC guys here very soon.


Did I mention I am getting a FMIC? =)



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