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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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10-13-2011, 11:44 PM | #1 |
Zilvia Member
Join Date: Mar 2011
Location: Tucson, AZ
Age: 38
Posts: 202
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Power Enterprise PE1420???
Hey guys im running one of these and want some incite on this turbo right now im running it at 15psi and 306whp wondering if i could push it a bit more... ive been looking for info on this turbo and cant find a reliable answer to what this turbo is rated for... my goal is 350 to the wheels but is this turbo gonna be reliable for that
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10-14-2011, 05:31 AM | #2 |
Zilvia FREAK!
Join Date: Nov 2008
Location: Manchester, Tn
Posts: 1,253
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Post your dyno graph. If tq is flat in the upper rpm range the turbo might have some more puff in it. If tq is falling like mad, probably not. Your tuner should be able to tell you when its time to "stop" when he is tuning you. Boost increases will yield little to no power, no timing will be able to be added ect.
Guessing around gets you blown up |
10-14-2011, 11:56 AM | #4 |
Zilvia FREAK!
Join Date: Nov 2008
Location: Manchester, Tn
Posts: 1,253
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well, you know its really hard to say without actually adjusting boost on the dyno, but if I had to predict something (which is all anyone can do on a forum) I would say your nearing the limits of that turbo already.
The tq taking a turn down isnt necessarily always a sure sign that the turbo is out of puff, but it is a good indicator. Her are a few graphs I have that I can guarantee the turbo is maxed out on. (I tuned these cars). the blue line on this one is the tune the car came to me with and the red line is what I did for it. Same boost level, the power difference was all ecu mapping. And now this is an example of a turbo that is not yet to its limit. I know it wasnt because hp and tq were gaining something crazy with every lb, but I didnt want to add more boost because it was a pump gas car. So like I said, It isnt a dead give away that your turbo is out of breath, your ecu mapping could possibly be bad causing the tq to drop but assuming it is good, then your turbo is nearing its limits. |
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