New cold air kit from PMAS No tune required.

Discussion in 'V8 Bolt-Ons & Tunes' started by PMAS, Apr 28, 2015.

  1. Supa LA

    Supa LA Drop a gear and disappear

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    What's the forum discount again? I can't remember what you told me a while back.
     
  2. OP
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    PMAS

    PMAS Well-Known Member

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    We dropped the price to what the forum discount was. Kits are 299 and 399 now.
     
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  3. Supa LA

    Supa LA Drop a gear and disappear

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    Very nice! I'm assuming the $299 is tun-required?
     
  4. OP
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    PMAS

    PMAS Well-Known Member

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    Correct!
     
  5. armykyle1

    armykyle1 Well-Known Member

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    I looked through almost this whole thread for this one post.

    MAF transfer function. Is this some type of programming, done via computer cables. Or just programming?

    Just looking for more specifics. As I'm stuck on this kit or the air raid. Both for different reasons.

    The air raid, because it's sealed off from the engine bay and draws in air from outside the vehicle. I can also install it without a tune.

    I like the PMAS kit for the ability to flow and the tubing size. Plus it's easier on the pocket book for the tune required.




    I'm glad I didn't waste my time sifting through the first 40 pages.
     
  6. OP
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    PMAS

    PMAS Well-Known Member

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    Every mass airflow sensor has what's called a maf transfer function. This is a table of output (hz or V) vs an airflow. It's the function used by the ecu to make calculations based on engine airflow. When you take a maf sensor out of the original intake and install it in a larger tube, it will require more airflow to get the same original output. This is why a tune is required with most good performing kits.
    Some kits that don't require a tune either use OEM size tube or and OEM maf sized insert so the maf output is "close" to stock and they let fuel trims correct their errors. This way usually results in very little gain as you neck down the pipe size to make it run.

    Since we manufacture mass air sensors we can calibrate the sensor to have the output of an OEM maf installed in the OEM air box, even though our maf is installed in a 120mm tube.

    With our tune required kit we supply the correct transfer function that you will end up with when you install your factory maf into our 120mm tube.

    This means you don't need to build a tune for our kit. You only swap the OEM maf transfer function with ours. We can do this because we have the correct equipment to extract the exact maf transfer function for a given maf system. We provide this data to FORD, Roush, Whipple, EPA, and a bunch of others.

    This also means you can take your existing tune and just change the maf transfer function for our kit to work with your tune.

    All the other cold air companies that require a tune spend hours on the dyno tuning and guessing what they think the maf transfer function is for their kit.

    Temps.. We see about 2-3 degrees over outside air at 65mph and about 10 over at 25mph. We have tested this for years and an increase in flow ALWAYS makes more power than a more restrictive system that attempts to pull all the air twice as far away because it's cooler. Our kit picked up 20WHP in a room on a dyno sitting on one place with a fan on the front of the car. I assure you it makes more with the car actually moving down the street.
     
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  7. armykyle1

    armykyle1 Well-Known Member

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    Thank you for the prompt response.

    So in simple terms, buy your tune required intake, drop my stock MAF sensor in and tell my tuner, let's say Lund what I have and I should be able to upload their tune without issue?

    I'm just making sure I'm following along properly.
     
  8. OP
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    PMAS

    PMAS Well-Known Member

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    You got it!
     
  9. armykyle1

    armykyle1 Well-Known Member

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    Have y'all done any testing with larger TBs or intake manifolds?
     
  10. Supa LA

    Supa LA Drop a gear and disappear

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    I was wondering the same. It'd be awesome to see this paired up with the CJ or GT350 intake mani.
     
  11. OP
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    PMAS

    PMAS Well-Known Member

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    Not yet but the more power the car makes the higher the improvement will be replacing a restrictive intake.
     
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  12. aggieStang

    aggieStang Well-Known Member

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    So has anyone installed one of thenew setups? I just did both the new elbow and the new maf... looks great, but one problem... the inlet air temp doesnt work! I had such high hopes too.
     
  13. OP
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    PMAS

    PMAS Well-Known Member

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    Is this a flash or no flash kit? Both kits use an oem maf so there shouldn't be any issues with IAT?
     
  14. aggieStang

    aggieStang Well-Known Member

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    Its the no tune required kit.
     
  15. OP
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    PMAS

    PMAS Well-Known Member

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    You used the supplied maf right?
     
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