Quote:
Originally Posted by gaveup
Correct, but is it possible the placement of their mafs cause the car to run leaner? If so, that alone would provide a higher gain wouldn't it?
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This and the fact that the MAF tube is slightly larger too does make the car run lean which gives it most of its gain, so if the MAF on a stock intake was slightly larger too it would do the same. The long tube intakes location themselves do little to improve gains as the stock intake is a true enclosed CAI, its the MAF and its size. Any open intake regardless of its location is going to get heat. If you stand by the side of a Z while its running you will feel the heat from the engine like crazy so an open intake a foot further away isnt going to keep IATs down but a couple of degrees. My stock intake with K&N drop ins IATs are the same as the long tubes IATs. I measured it with my COBB tuning device. If I remember right (its been awhile since I did this) my IATs were about 7-8 degrees above ambiant when driving. And were sucking in 400 G/S, and since its a dual intake, I think thats 400 G/S per intake but not sure.