Alpha N or Hybrid Alpha N
Anyone running a VE map using something other than Speed Density? How different is your map compared to just SD?
Im asking this as I have some IRTB's I'm getting ready to fire up :) |
I've read on the MS forums that Hybrid Alpha-N is the way to go with IRTBs. I can't attest to the differences myself because I haven't had the time to put in my plug n play setup yet :P.
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Just switch to Alpha-N before the IRTBs. In fact, do so before you order them.
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Originally Posted by Reverant
(Post 69425)
Just switch to Alpha-N before the IRTBs. In fact, do so before you order them.
http://i145.photobucket.com/albums/r...d/DSCN1830.jpg Plus I have the 1.6 dummy TPS. My IRTB's have a 0-5v TPS. |
Originally Posted by ecugrad
(Post 69441)
Too late for that!
http://i145.photobucket.com/albums/r...d/DSCN1830.jpg Plus I have the 1.6 dummy TPS. My IRTB's have a 0-5v TPS. |
Nice! Are these from Fuji Racing?
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Woah .... holy crap ... so you ditched the turbo or something? IRTB's seem pretty cool to me, but ive never driven a miata with em (or anything with em for that matter).
By the way, ive heard that underdrive pulleys in the past have caused engine failures because of poor dampering ... specifically unorthadox pullies. I just thought i would mention it. |
Originally Posted by Reverant
(Post 69627)
Nice! Are these from Fuji Racing?
Originally Posted by akaryrye
(Post 70139)
Woah .... holy crap ... so you ditched the turbo or something? IRTB's seem pretty cool to me, but ive never driven a miata with em (or anything with em for that matter).
Originally Posted by akaryrye
(Post 70139)
By the way, ive heard that underdrive pulleys in the past have caused engine failures because of poor dampering ... specifically unorthadox pullies. I just thought i would mention it.
I started it up yesterday and it ran pretty decent on Speed Density but it idled MUCH better on Hybrid Alpha-N. I still have a busted diff so I havent drove it yet. |
Megasquirt is the bomb!!!
I drove my car for a bit today with the new IRTB's. The Hybrid Alpha-N works pretty damn good. I still need to get to the dyno. |
So what sort of power shift can be expected with this setup? I know that the runners make a difference in the results you get, but I always figured they were good matches for agressive cams and high rpm power while not performing as well as stock at lower rpm
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ideally the intake runners should be built with a linear actuator and a controller so that you can nail the hemholtz numbers as much as possible. The major advantage to his current setup is the low throttled volume... should be nearly instant response. It will also breathe a lot better and sound cool as hell.
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