GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Did a WOT log tonite(wow) for J had the truck up

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Old Aug 28, 2008 | 09:36 PM
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Originally Posted by XLR8NSS
How much boost are you running again? 65lb/min average on your MAF up top is pretty damn strong.
Right now ruffly 6-7psi, It needs 10psi. Also I have to have the shift points bumped up just a bit.. Hope to have all this straightn'd out with the new tune and all soon... Then comes the susp tweaking

John
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Old Aug 28, 2008 | 09:38 PM
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Originally Posted by phasemaster1
I guess you didnt go lean again?

By the way you didnt tell me this thing is this loud...still not done .
LOL yah they sounds like a trash compactor .

Nope I dunno wtf is going on with that, it comes and goes... The gauge stayed at 10-11 untill it got down in the 4800 and bellow, so it is still filthy rich... I am going to have and pick J's noggin on the lean issue....... Bad intake location huh iats never got above 105...

John
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Old Aug 28, 2008 | 09:46 PM
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Originally Posted by Mangled03gmc
Right now ruffly 6-7psi, It needs 10psi. Also I have to have the shift points bumped up just a bit.. Hope to have all this straightn'd out with the new tune and all soon... Then comes the susp tweaking

John
6-7 psi, something is wrong with your MAF reading than. Tell J to stop screwing up your tune.
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Old Aug 28, 2008 | 09:48 PM
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J= Hal LOL...Hal is taking over. Watch your MAF's. LOL
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Old Aug 28, 2008 | 09:54 PM
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Originally Posted by XLR8NSS
6-7 psi, something is wrong with your MAF reading than. Tell J to stop screwing up your tune.
Originally Posted by dewmanshu
J= Hal LOL...Hal is taking over. Watch your MAF's. LOL
What should it be reading or is there really sumpin not right, honestly I am no where near up to par on tunning.. ??

Thanks gents
John
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Old Aug 28, 2008 | 09:58 PM
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This a very vague statement, but at approximately 9 #'s of boost on a 6.0, you should be close to maxing the MAF on the your pcm. ehhh, maybe 60 to 65#'s on the MAF. Not 6#'s of boost. Again, approximates, but surely not maxing the maf at 6#'s of boost IMO. Make sure Hal gets your scan and ask him about it.
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Old Aug 28, 2008 | 10:09 PM
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oOo Ok well I am going by what I was looking at, at 5-5500 or so it is at that boost 6-7. Now above that I didn't really look at the boost gauge, more so on the road and the WB. So there could be a chance it could have reached 8-9 psi. The log was to J soon after the run, havn't heard anything from him yet.. So there is a chance it made that kinda boost, have to put a cam on the gauge next time.. It still needs a lil more rpms before the shift thowe..

John
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Old Aug 28, 2008 | 10:21 PM
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It does look like it's running pretty strong though so maybe......

From 70-138 in 11.xx seconds seems good to me.
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Old Aug 28, 2008 | 10:39 PM
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Originally Posted by dewmanshu
This a very vague statement, but at approximately 9 #'s of boost on a 6.0, you should be close to maxing the MAF on the your pcm. ehhh, maybe 60 to 65#'s on the MAF. Not 6#'s of boost. Again, approximates, but surely not maxing the maf at 6#'s of boost IMO. Make sure Hal gets your scan and ask him about it.
Tell that to Russ (sharpshooter). Maxed at 5200rpm... under 6psi...

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Old Aug 28, 2008 | 10:41 PM
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Originally Posted by dc_justin
Tell that to Russ (sharpshooter). Maxed at 5200rpm... under 6psi...

Speaking of the devil, your ears were ringing.. What do you think of the log J.. I get wit ya tom on a few things..

Thanks bro

John
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