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Unusual Dyno Readings

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Old Apr 26, 2020 | 07:16 PM
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Default Unusual Dyno Readings

Finally got my car put together after the winter build was complete. I had a local guy put my moser 9 inch, racetronix fuel pump, and get me a new driveshaft made. He also did a bit of preliminary tuning on HP tuners to get the car drivable to get to the tuner. He suggested a local guy who specializes in Honda/Acura but also does online tuning classes. He asked if I would be willing to drop off my Gen 3 LS for his class in exchange for a tune, of course I said yes to a free tune! He has done a few Gen 4 LS vehicles in the past, and my mechanic was confident in his abilities as well. After a few days I got the results back 480/440, he used a hub dyno. I completely understand a dynamometer is a tuning device and am not obsessed with chasing numbers. I am just sharing my experience, my mods, and my results. Tick, TSP, BTR, Brute Speed, and WS6store/RPM were awesome and incredibly helpful and answered all my questions. I was wondering what peoples experiences were with hub dynos and how the compare to roller dynos? Here is my mods list.



2002 LS1
Tick Performance "SNS" torqueMAX Stage 2 V2 Camshaft for LS2 Engines 231/235 | .625"/.605" | LSA111+2
TSP stage 1 ported 243's 62cc
Cometic .040 gaskets
Summit Racing 11/32 push rods
LS7 lifters
LS2 trays
powerbond 25% UDP
BTR trunion upgrade
GTP 42lb injectors
RPM ported Oil Pump
N-motion Adjustable timing set
New Era ported throttle body
Moser 9 in, 3.70, truetrac
Monster Stage 2, aluminum flywheel, tick adjustable MC

Last edited by Cyris0014; Apr 28, 2020 at 05:58 AM. Reason: Typo
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Old Apr 26, 2020 | 11:02 PM
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At that RPM range with those mods, definitely not accurate.
He also took the reading at the wrong spot for HP.
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Old Apr 27, 2020 | 07:47 AM
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Originally Posted by AwesomeAuto
At that RPM range with those mods, definitely not accurate.
He also took the reading at the wrong spot for HP.
I thought it was strange that the graph only went to 6200 rpm. Where should he have taken the reading?

Last edited by Cyris0014; Apr 27, 2020 at 09:49 AM.
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Old Apr 27, 2020 | 08:42 AM
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Torque exaggeration due to no rear wheels mass? Like 100 lbs rotating mass not there do it reads higher?
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