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Old 06-30-2010, 08:42 PM   #1
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Accuracy of #/min air from LiveLink?

Logging "AIR FLOW #/MIN" - how accurate is that to actual air flow #/min?


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Old 06-30-2010, 09:23 PM   #2
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Depends.... are you running a MAFia??
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Old 06-30-2010, 09:27 PM   #3
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Depends.... are you running a MAFia??
No MAFia.
Stock MAF in 3" MAF housing.

I ask because I'm seeing 27#/min @ ~6200RPM, which sounds right for a 440cfm compressor wheel @ 11psi.
Just having fun with number before I hit the rollers.
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Old 06-30-2010, 09:30 PM   #4
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It should be "fairly accurate" of course it will be off some due to the larger housing.
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Old 06-30-2010, 09:34 PM   #5
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It should be "fairly accurate" of course it will be off some due to the larger housing.
Thanks. It seemed "fairly accurate" to me too.
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Old 07-01-2010, 07:49 AM   #6
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it will be as accurate as your maf transfer function is
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Old 07-01-2010, 07:59 AM   #7
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it will be as accurate as your maf transfer function is
It's pretty good then.
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Old 07-01-2010, 03:17 PM   #8
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Are you ready to go on a Dyno already ? Have you got the closed loop working yet?

If you look in your MTF you have a #/Min and it should follow that

Tom
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Old 07-02-2010, 12:44 AM   #9
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Are you ready to go on a Dyno already ? Have you got the closed loop working yet?

If you look in your MTF you have a #/Min and it should follow that

Tom
Thanks Tom.
To be honest I'm in no hurry for the closed loop.
My AFRs are so close right now in this open loop tune I'm getting better gas mileage than I even did stock!
The driveability is great, idle good, so I can't talk myself into digging back into the intercooler piping so I can use the closed loop.

Just got back from the track. Best mph 100.9, best ET 14.11. Avg 60' around 2.35 on street tires.
That's compared to 95mph and 14.74 ET before the compressor wheel upgrade.
There's more in it but I need to open up the turbine side a bit more.
When I say more, I mean 1-5mph more until this turbo is absolutely maxed out.
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