bnguyenbb6 Posted August 14, 2011 Share Posted August 14, 2011 So on a quest to learn more about tuning, as I was skimming through the AccessTuner Calibration and Tuning Guide v1.5, I came across: 70mm ID 05+ LGT MAF Housing 66mm ID Cobb Tuning SF MAF Does this mean that the stock intake is less likely to max out versus the Cobb intake? This isn't a "how well it flows" but a scaling/mafresolution-wise. NSFW, Legend any input? People run 70mm APS intakes on large frame turbos all the time(pump gas), does that mean that the stock intake is more capable than we thought? Has anyone verified that its 70mm ID? I would but I'm out of town without my tools... Link to comment Share on other sites More sharing options...
TRSCobra Posted August 14, 2011 Share Posted August 14, 2011 I bought a specific cobb 70mm MAF housing for my SF intake if that says anything... Link to comment Share on other sites More sharing options...
bnguyenbb6 Posted August 14, 2011 Author Share Posted August 14, 2011 Meaning you actually maxed out the stock intake but the 70mm cobb is not maxed out? I'm not just trying to bash cobb, just trying to make a stock vs aftermarket intake comparison. The Cobb SF intake is 66mm ID according to the Cobb AccessTuner tuning guide. I don't even see a 70mm option on Cobb's website. The Accesstuner also says that the injen and spt intakes are 65mm. Link to comment Share on other sites More sharing options...
TRSCobra Posted August 14, 2011 Share Posted August 14, 2011 I didn't max out the regular Cobb SF intake, I just wanted some headroom when I put in the new turbo. Cobb offers a 70mm MAF housing for their SF intake, but you have to call them directly to order it. They don't list it because you need a tune to run it instead of the "no tune needed" regular SF intake. (That's what they told me, at least.) I don't have a caliper, but I measured 65mm with my ruler. Cobb: http://i12.photobucket.com/albums/a204/TRSCobra/2011-08-14_10-29-35_311.jpg And here's the stock intake 70mm! http://i12.photobucket.com/albums/a204/TRSCobra/2011-08-14_10-30-44_167.jpg Just noticed the camera angle shows lower readings than I actually got... Link to comment Share on other sites More sharing options...
bnguyenbb6 Posted August 14, 2011 Author Share Posted August 14, 2011 Awesome, thanks! I wonder where the stock intake actually maxes out at now bc guys run 70mm APS intakes on FP Greens(49 and 55lb turbos) and Dom3's... Link to comment Share on other sites More sharing options...
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