PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

maf ?

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Old May 20, 2007 | 05:33 PM
  #1  
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From: warner robins GA
Default maf ?

Finally got my build done solid roller 427, 225 afr heads, fast 90,90 was wondering what maf to use since stock runs out after 500?
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Old May 20, 2007 | 06:14 PM
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Slp or granatelli. Just dont remove the screen or your car will run like crap. SLP is much cheaper, by like 100 bucks or so.
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Old May 20, 2007 | 06:35 PM
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uuhh... howabout not run a MAF since you are going to be close to maxing it out. nothing currently goes above 512g/s. you can grab a bigger MAF from the stock 78mm or 8xmm one to grant you a little more room

you can remove the screen and it will run fine. done it, currently doing it, cars fine been fine for 2+yrs

either do a speed density tune (SD tune) or stick with the STOCK MAF, and use PE mode to get your desired AFR.

the power and airflow your going to be seeing is going to be pretty decent, you can bullshit the MAF by just adjusting PE mode to be richer to achieve your desired AFR.

use the stock MAF and just use PE mode....it will save you a BUNCH of time and hassle, along with money
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Old May 21, 2007 | 07:11 PM
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From: warner robins GA
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IF i can get it tuned without a maf that will be great but the tuner said it will be easier to tune with maf so i was wondering which one to get considering that my Tb is a 90mm so that would leave my maf as a bottleneck. Anymore opinions i would appreciate it .
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Old May 21, 2007 | 10:10 PM
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From: warsaw, in
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Lingenfelter has a BIG mass air meter that wont peg. Looks pretty cool also. Dont know the part number though, im sure someone on here will post it if you want.
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