eaton 112 porting
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eaton 112 porting
I know this may be a dumb question but can the eaton 112 or 122 kits for the 99-06 silverados be ported like the lightning blowers can. I just ported my buddies 02 lightning blower and with a 6lber it pulls like a rapped ape. I am not sure if these units come already opened up like a ported lightning/cobra blower, similar to the stagmeier port. I have yet to hear or see anyone talk about it on the forums. thanks
cory
p.s. the pic is what i am talking about
cory
p.s. the pic is what i am talking about
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Use the search button, there is a LONG thread about this from two or three years ago. PS, Steigmeir is a butcher.
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So where do the gains come from that people report? It's pretty popular amongst the SVT peeps. I'm honestly asking here, as I've never given it much thought. It seems that if you enlarge the discharge area, it'll have the ability to move more air. I know that will affect efficiency, but is that what all the hype is? It makes the boost gauge move further?
It seems as though the geometry is designed probably through CFD, but back in the day it was through trial and error. Seems kind of taboo to me.
It seems as though the geometry is designed probably through CFD, but back in the day it was through trial and error. Seems kind of taboo to me.
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#8
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So where do the gains come from that people report? It's pretty popular amongst the SVT peeps. I'm honestly asking here, as I've never given it much thought. It seems that if you enlarge the discharge area, it'll have the ability to move more air. I know that will affect efficiency, but is that what all the hype is? It makes the boost gauge move further?
It seems as though the geometry is designed probably through CFD, but back in the day it was through trial and error. Seems kind of taboo to me.
It seems as though the geometry is designed probably through CFD, but back in the day it was through trial and error. Seems kind of taboo to me.
The gains are few and far between, Steigmeir claims that in order to get a gain you must "raise" the boost and "tune".....EATON spent MILLIONS of hours on the discharge side of the supercharger, there is more science there than most realize.
I tested back to back stock vs. ported blowers back in the day. The ported blower lost over 50 ft pounds of tq and 20 HP.
On a side note, he also believes that "stripping" the rotors promotes better efficiency.
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here is a post from SVT. It shows the difference between the 6lber and ported vs. non-ported. Yes we did strip the rotors as well on his lightning.
http://www.svtperformance.com/forums...ort-video.html
http://www.svtperformance.com/forums...ort-video.html