Looking for missing power after 122HH upgrade...
#212
Thread Starter
TECH Enthusiast
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Joined: Jan 2004
Posts: 520
Likes: 8
From: Far East Bay - Norcal
I have more things I can do other than those I've listed previously. I can mill the AFR 72cc heads to get the compression up, port the NW throttle body & j-tube to 96mm, its already on a SD tune so I can remove the MAF and fab up a 4" intake, and finally, if all else fails I'll move my 90mm plate kit from my GTO. I WILL NOT BE DENIED!

I just don't think all of that should be necessary...we'll see, I guess.
#213
For reference, i am running 28" tall Hoosiers and crossing the traps at about 4900rpm.
#215
My race weight is probably around 5100 pounds. Definately a difference in weight at 6-700 pounds. I think 110+ is possible, just going to take work. I am going to try on the 29th with you guys. I want to see the 2300 in action.
#216
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TECH Enthusiast
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Joined: Jan 2004
Posts: 520
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From: Far East Bay - Norcal
I have a slight cubic liter advantage over the 6.0L, I'm running a Alkycontrol meth setup as well which I originally installed to ensure that I had enough fuel (no lean out on top end) with the 42# inj that came with the MP112 kit--but I want to get rid of it, get an in-tank Walbro 340 in-tank pump and keep the Walbro in-line pump to supplement the in-tank unit.
My big concern at the moment is that I spoke to Rick about my 2-3 shifts being slow at the track, and he believes that it may be "flaring"--a predication of possible failure! Not what I want to believe but something I have been fearing/anticipating.
#219
What's up Colby.
I firmly believe in your setup.That big ol monster can suck all kinds of air but its got no where to put it.That exhaust you run leaves a lot on the table.When I heard you get on it you could hear the restriction.I got a nice 4" inlet outlet magnaflow with your name on it if you want it.
I firmly believe in your setup.That big ol monster can suck all kinds of air but its got no where to put it.That exhaust you run leaves a lot on the table.When I heard you get on it you could hear the restriction.I got a nice 4" inlet outlet magnaflow with your name on it if you want it.
#220
2-3 is a issue on the 4l70e on the supercharged and nitroused trailblazer ss also. youw ill have to adjust the rpm down from 2-3 to see if that helps if it still hits the limtier then set 2-3 shift 3 mph down and try it out.


