Am i expecting to much?
07-05-2012, 12:20 PM
#31
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Ok I was just talking to my tuner, he said hes got about 14 degrees of timing on it, and its running around 11.6 on the afr. I dunno something doesnt seem right to me, he didnt have time to play around with it today so Im still sitting at 380 rwhp and 420 ft lbs of torque
07-05-2012, 12:32 PM
#32
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Id say that sounds about right. It's hot, 93 octane with no meth, 14* seems bout right for reliability on a dd and running stock cam. Those numbers seem fine to me
07-05-2012, 12:34 PM
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If he is using a dynodynamics and come up with the 380/420 then your actually looking at almost 440hp 485TQ on a dynojet.
Goes to show how unimportant the numbers are.
Goes to show how unimportant the numbers are.
07-05-2012, 01:32 PM
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Actually we only got 91 octane here, so 91 octane no meth. Once again i forgt to ask what kind of dyno it was. It was about 90 degrees yesterday + the humidity. Jake brown says if i get my timing up around 17-18 id probably see a 50 rwhp gain, hoping i will, and its suppose to be cooler tge next few days when she goes for some more pulls
07-05-2012, 03:26 PM
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17-18 is pushing it. I'd only run that if I had a track specific tune for high octane (100+) fuel.
Also, there are diminishing returns with more advance on a boosted engine. More is not always better, your tuner will need to find the "sweet spot"
Also, there are diminishing returns with more advance on a boosted engine. More is not always better, your tuner will need to find the "sweet spot"
07-06-2012, 03:53 PM
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In 3rd gear on a 6spd, I'd bet that will read lower, just like 2nd in a 4spd, at least with turbo's. Is the converter locked? That leaves some on the table if not. Is there a good strong fan blowing on your intercooler? Dyno's heat the **** out of everything without a lot of airflow. There are too many variables that can swing you up to 100rwhp, even more in higher hp stuff! At 380rwhp, you are up over 120rwhp or more compared to stock. I wouldn't complain for not even giving it a set of valve springs!
07-06-2012, 07:03 PM
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Power seems low to me too. My stock 2011 5.3 and 6 speed doing 3rd gear pulls on only 4.5psi put down 376hp and then 422hp on 7psi. Haven't had it up to 10psi yet.