Thread: Reading MAF in Hz?

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  1. #1 Reading MAF in Hz? 
    GT Level Member 94GrandPrixSE's Avatar
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    Is there a cost effective way to read the MAF sensor in Hz instead of G/s or is that a fantasy without an Aeroforce? I need to give Will a full rundown of my LT fuel trims based on MAF frequency.
    02 GTP - Cartuning Turbo Kit VS67 3" DP, 80#INJ, N*,LQ4 MAF, Custom Cam, Roller Rockers, 130#, P&P Heads, Meth, AL103's, Corn fed, 522WHP on a mustang dyno, HP Tuners by me.
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  2. #2 Re: Reading MAF in Hz? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    A scanner or scan gauge can do them, otherwise I have no idea how you'd be able to get the numbers.

    SMGPFC Member #1
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  3. #3 Re: Reading MAF in Hz? 
    GT Level Member 94GrandPrixSE's Avatar
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    My torque app will only read in G/s. What kind of scanner are you talking about?
    02 GTP - Cartuning Turbo Kit VS67 3" DP, 80#INJ, N*,LQ4 MAF, Custom Cam, Roller Rockers, 130#, P&P Heads, Meth, AL103's, Corn fed, 522WHP on a mustang dyno, HP Tuners by me.
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  4. #4 Re: Reading MAF in Hz? 
    GXP Level Member 91parkave's Avatar
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    Buy HP tuners/dhp/tinytuner... do it yourself.
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  5. #5 Re: Reading MAF in Hz? 
    GXP Level Member Turbocharged400sbc's Avatar
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    Quote Originally Posted by 94GrandPrixSE View Post
    My torque app will only read in G/s. What kind of scanner are you talking about?
    well **** dude, all you need is yer current maf table gps vs hz and just substitute the hz for the gps value...
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
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    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  6. #6 Re: Reading MAF in Hz? 
    GXP Level Member darkhorizon's Avatar
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    yep^

    You can add PID's in torque , and maybe aeroforce.... Its pretty simple.
    Code:
    PidID	DisplayName	LogName	Description	Formula	Unit	Size	PIDCode	DeviceID	Conversion	PidCat	MCI
    19	MASS AIR FLOW RAW INPUT FREQUENCY	MAF		((N1 << 8) + N2) / 2.048	Hz	2	1250	1		1	MAF
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  7. #7 Re: Reading MAF in Hz? 
    GXP Level Member darkhorizon's Avatar
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    the 1250 is the PID hex code. Mode 12 I believe but it might be mode 9 if thats wrong.....
    Last edited by darkhorizon; 03-28-2014 at 03:01 PM.
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  8. #8 Re: Reading MAF in Hz? 
    GXP Level Member darkhorizon's Avatar
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    got bored

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  9. #9 Re: Reading MAF in Hz? 
    GXP Level Member darkhorizon's Avatar
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    Made a commanded AFR pid too, i love this one.

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  10. #10 Re: Reading MAF in Hz? 
    GT Level Member 94GrandPrixSE's Avatar
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    That worked perfectly Darkhorizon Thank you very much!
    02 GTP - Cartuning Turbo Kit VS67 3" DP, 80#INJ, N*,LQ4 MAF, Custom Cam, Roller Rockers, 130#, P&P Heads, Meth, AL103's, Corn fed, 522WHP on a mustang dyno, HP Tuners by me.
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