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MagnaCharged 122HH TBSS at 15 PSI of Boost

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Old 11-12-2007, 11:22 PM
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Originally Posted by TBSS
Do you have a dual tune so you can run 91?
That is alot of boost to carry with 91?? I am sure we could pull enough timing to make it work. I actually want to crank the boost up a little more once the tune is finished the way it is. I think it will be perfect with 17-18 psi of boost.
Old 11-13-2007, 12:15 AM
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I didn't know how you planned on driving it so I thought I would ask. It is certainly a monster.
Old 11-13-2007, 04:47 AM
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Originally Posted by 2005SSR6Speed
Right now we are not running out of MAF (close), I descreened it and in the 4" intake it is keeping up for now. I plan to use the Lingenfelter 4" MAF once the tune is finished. I am running VP 109 all the time, it get a little expensive after all the driving. I was getting 14-14.5 MPG on the way back from Vegas today.
What MAF are you using right now?
Old 11-13-2007, 07:34 AM
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is that the baddest TBSS? over 600hp thats crazy!
Old 11-13-2007, 08:03 AM
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That thing is wild, I've been watching these 122 projects closely.
Old 11-13-2007, 08:11 AM
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Originally Posted by 03sierraslt
What MAF are you using right now?
Just the stock descreened MAF for right now. We need to install the 100mm MAF and get the tables all fixed.

Last edited by leftcoast32; 11-13-2007 at 10:51 AM.
Old 11-13-2007, 08:15 AM
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How are you not maxing out the MAF on your engine combo at 15psi? Is the TBSS Maf different then the trucks?
Old 11-13-2007, 08:26 AM
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Originally Posted by 03sierraslt
How are you not maxing out the MAF on your engine combo at 15psi? Is the TBSS Maf different then the trucks?
The MAF scaling is all screwed up! The TBSS uses the LS2 MAF with a screen in it and different scaling. When descreened they drop way down in g/sec. We have to upgrade to the 100mm MAF from Lingenfelter in the 4" intake I have on it and get the MAF tables fixed.

Last edited by leftcoast32; 11-13-2007 at 10:52 AM.
Old 11-13-2007, 01:24 PM
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Originally Posted by 2005SSR6Speed
The MAF scaling is all screwed up! The TBSS uses the LS2 MAF with a screen in it and different scaling. When descreened they drop way down in g/sec. We have to upgrade to the 100mm MAF from Lingenfelter in the 4" intake I have on it and get the MAF tables fixed.
Gotcha, I was just wondering the difference because my stock MAF maxed out pretty quick as far as boost is concerned.
Old 11-13-2007, 01:32 PM
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What about the PCM hard coded airflow limits? Is it still 512 g/s in that truck or is that one of the new ones that supports up to ~1000 g/s?


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