Good for over 1000whp 
15-17lbs boost and mass airflow?
15-17lbs boost and mass airflow? What mass airflow and tb are y'all running with an ls6 intake and boost? Thanks for any help. Just for the record I am not switching intakes any time soon. I am aiming for 15-17lbs with a d1 what pulley are the 402-408 guys running?
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TECH Addict
Joined: Jul 2005
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The SD ECM checks barometric pressure using the MAP sensor before starting and IAT real-time. That's how it compensates. Supercharged and turbocharged PWC's are speed density with no MAF or O2 sensors for feedback.
They say MAF tuning is easier than SD but IMHO it's the other way around. When I was talking to you the other night, SD tune can be very good, you have got to put some time into it. Lots of regular driving around and gathering data to fill your cells up.
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From: Your GF's pants
Mmmmm We are biased aren't we? Well I can tell you this, you most likely will have to go SD for that much boost, unless you can scale the crap out of your tune and/or have a 1024 G/sec limit on a 15,000 Hz scale in your ECM 08+ E38's/67's. MAF in my opinion however is the mark of a capable tuner.
Mmmmm We are biased aren't we? Well I can tell you this, you most likely will have to go SD for that much boost, unless you can scale the crap out of your tune and/or have a 1024 G/sec limit on a 15,000 Hz scale in your ECM 08+ E38's/67's. MAF in my opinion however is the mark of a capable tuner.
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The problem most people have with MAF is that they max out in the 400-500 gm/s range, which isn't enough for most boosted applications. You can throw full throttle fuel into it, but then you're running blind and changes in conditions will affect the A/F ratio. However, if you figure out a way to extend the range of the MAF significantly, there's no reason it shouldn't work.
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From: Cincinnati, Ohio
I ran my car for years with the MAF maxing out around 4500 RPM's at 650 rwhp. I used that PE vs RPM table to add fuel after it maxed. I kept reading on here how I was flying blind but I never had a problem or saw any great variance with the air/fuel.
The C5 Corvette Z06 maf is a good one. Bob
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If you want to use maf try 2010 camaro v8 maf has a very strong signal you can splead, now pulleys you need a larger botton pulley, i say 8.5 inch or 9" just find out what your pump max sprrd is and stay under it...