07 5.3L 4x4 4L80E Turbo 12PSI Dyno Results - PerformanceTrucks.net Forums

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07 5.3L 4x4 4L80E Turbo 12PSI Dyno Results

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Old 08-15-2014, 12:25 PM
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Default 07 5.3L 4x4 4L80E Turbo 12PSI Dyno Results

Hi All,

Went to the dyno yesterday Alright, went to the dyno yesterday, what we did since the last dyno (blue line) was a 4L80E Swap, tuned it further increasing timing, the Alky works now (realized it hadn't been working for a while) and the boost is roughly the same. I say roughly because last time at 45% duty cycle on the AEM TruBoost gave me 12PSI this time it was 11PSI at that Boost level so I changed it to 50% duty cycle and it went back up to 12PSI. Good peak gain but at 6000RPM it's up 60whp compared to before which is great.

All in all we're VERY impressed by the numbers, was expecting loss in power with the 80E but looks like all the extra street tuning over the past few months have worked out. Not bad for a bone stock 5.3L (only have BT valve springs in there). We're going to hit the track then I'm going to throw in a Cam most likely a Tripple 12 and see if we can't get her up to 600whp.

Blue Line - 4L60E, 12PSI
Red Line - 4L80E, 12PSI

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Old 08-17-2014, 12:35 AM
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Nice gains with the heavier internals of the 80e.
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Old 08-17-2014, 09:01 AM
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This is exactly like our truck without the meth injection. We have a isky triple 12 we'll eventually put in it so ill keep a close eye on this. I didnt think they did this good on stock cam lol.
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Old 08-17-2014, 07:20 PM
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I was very surprised I can't wait to get a Triple 12 as well!
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Old 08-17-2014, 09:56 PM
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Wow. Any numbers for just 12 psi of boost. NO METH?

Wanna see how it looks compared to mine.
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Old 08-18-2014, 10:02 AM
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Originally Posted by Choda View Post
Wow. Any numbers for just 12 psi of boost. NO METH?

Wanna see how it looks compared to mine.
Not really no, haven't run it without Meth. Meth is part of the kit so it all works together I wouldn't really run it without.
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Old 08-25-2014, 07:25 PM
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Nice numbers - is this running the turbontics 7575?
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Old 08-25-2014, 10:57 PM
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Wow. Very good numbers!! I'd love to see it run!!
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