PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

LPE 100mm MAF

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Old Jan 3, 2007 | 03:00 PM
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Default LPE 100mm MAF

I just ordered one,does anyone have any experience at tuning with the LPE MAF?I'm currently running HPtuners 2bar speed density tuning on my Magnacharged 403 stroker.
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Old Jan 3, 2007 | 04:10 PM
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Why run a maf if you're using sd? Are you going to go back to a 1bar?
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Old Jan 3, 2007 | 05:07 PM
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2Bar tunes can let you run maf too. Though why you would want to is up for debate.
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Old Jan 3, 2007 | 06:11 PM
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I would be very curious how this works out for you Whitt.
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Old Jan 3, 2007 | 06:13 PM
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I'm trying to improve my fuel economy and drivability without sacraficing power,I drive my Tahoe daily.
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Old Jan 3, 2007 | 06:34 PM
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I have used this MAF on my personal TBSS and have had great luck with it. I just do not understand why you want to try and run both programs. There is a table on the LPE site for the MAF.

Chad
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Old Jan 3, 2007 | 07:21 PM
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Originally Posted by whitt1
I'm trying to improve my fuel economy and drivability without sacraficing power,I drive my Tahoe daily.
and that is only possible in MAF mode? care to explain why/how?
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Old Jan 4, 2007 | 03:40 AM
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You are still limited to 512g/sec irrespective of the size of MAF you put on there.
All you are doing getting a larger MAF is reducing its inherent restrictive nature. However due to the way MAF's work where they require moderated stable flow, they will always have restrictive meshes/screens etc in them.
If you pull out these things, then the MAF becomes less accurate.

Speed Density is pretty much unlimited in flow and poses zero restriction in itself. As RHS is alluding MAF gives you nothing specific to help with economy and driveability that Speed Density doesnt also have. A good tune of either type will achieve your requirements. So why waste money on a larger expensive MAF?

If your preference is to dial in a single row of values in one table instead of the full VE table then sure. However either way unless you do dial in the full VE table your open loop fueling and other calculations are going to be out of whack.
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