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Alright all you air flow, theory based brainics, here's my dilemma/idea. I was thinking about making an intake (not manifold, just intake) with a velocity stack opening. Used them previously in NA cars. Helped "line" the air up and generate velocity. My current mock-up (made of plastic pipes) is using 3" tubing with (1) 90* bend (at the throttle body) and (1) 22.5* (at the entrance in the front air dam of the car. To get air directly at the front of the car). I'd take a pic but I can't find the wife's camera.
The velocity stack goes from 5 1/2" to 3 " (both ID's). It's about
2 1/2" deep. The tubing is 3" all the way to the throttle body (which is 60mm - what ever that is in inches). The overall length is 44".
Ideally I wanted to step this down from 8" to 5" then from 5" to 3" then to throttle body.
OK, my questions are about the size of the diameter and the overall length of the pipe. I think the diameter is too small and the length is too long. But I have nothing concrete to base that on other than I don't think it rationally works (for high RPM application).
Anybody got any info/direction/opinions on this? Captain Caveman
96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq
97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq
98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats
99 OZ 5sp Stocker 15.856 @ 85.97
99 GS stocker auto 17.7@77mph!
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. I could also move it up higher into the dam (keeping in mind that I only have a half radiator - for this reason), but I want to be sure of the length.