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SVTPerformance's Chain of Restaurants
The Blower Bistro
Maf count troubles
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<blockquote data-quote="SecondhandSnake" data-source="post: 16385768" data-attributes="member: 116684"><p>Don't sweat it. I was in waaaay worse shape than you to begin with. I had worse MAF placement and a bad MAF signal. I was seeing a 60+ count variation in signal and it drove like shit. I didn't have much real estate to play with, and just way worse geometry. My tuner couldn't/wouldn't do crap for it. I at least got it driveable but it left a lot on the table.</p><p></p><p>Do you have any examples of your MAF signal when it comes to variation? Particularly to show how much it's moving around under steady state conditions, including at idle.</p><p></p><p>Your mounting location could be improved a little, but I don't know how much you would gain. If it's got a long straight section you would want it after as much long stretch as possible with a couple inches before the next turn. If you have to mount it near or on a bend you want to have it on the neutral axis of the bend. (Ex say you're looking at the pipe and it's going from traveling in the X-axis and is turning to go in the Y-axis, you want the MAF sensor mounted in the Z-axis.)</p><p></p><p>But I don't know if I'd even mess with that. What might really help you is what helped me. I went to a MAF flow screen a few inches upstream of the MAF. The difference was night and day. I went form 60 count variation to about 6. I'm using a 1" thick aluminum honeycomb with a roughly 1/16" cell size. You can get them of varying thicknesses and densities. They run them on a lot of stock applications and what it does is make the airflow in that region more stable and uniform. Putting one in might just be a very cheap, easy fix.</p><p></p><p>For tuners decipha on here is absolutely incredible.</p></blockquote><p></p>
[QUOTE="SecondhandSnake, post: 16385768, member: 116684"] Don't sweat it. I was in waaaay worse shape than you to begin with. I had worse MAF placement and a bad MAF signal. I was seeing a 60+ count variation in signal and it drove like shit. I didn't have much real estate to play with, and just way worse geometry. My tuner couldn't/wouldn't do crap for it. I at least got it driveable but it left a lot on the table. Do you have any examples of your MAF signal when it comes to variation? Particularly to show how much it's moving around under steady state conditions, including at idle. Your mounting location could be improved a little, but I don't know how much you would gain. If it's got a long straight section you would want it after as much long stretch as possible with a couple inches before the next turn. If you have to mount it near or on a bend you want to have it on the neutral axis of the bend. (Ex say you're looking at the pipe and it's going from traveling in the X-axis and is turning to go in the Y-axis, you want the MAF sensor mounted in the Z-axis.) But I don't know if I'd even mess with that. What might really help you is what helped me. I went to a MAF flow screen a few inches upstream of the MAF. The difference was night and day. I went form 60 count variation to about 6. I'm using a 1" thick aluminum honeycomb with a roughly 1/16" cell size. You can get them of varying thicknesses and densities. They run them on a lot of stock applications and what it does is make the airflow in that region more stable and uniform. Putting one in might just be a very cheap, easy fix. For tuners decipha on here is absolutely incredible. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Maf count troubles
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