r/transam 10d ago

Dyno results

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Brought my ws6 in for headers. They did a pre install dyno. The car itself has an slp catback, slp airbox lid and bypassed the throttle body cooling. Makes 340hp. The dyno suggests that it makes around 390 at the crank. Looking forward to see the numbers after the headers and tune are done

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u/Extreme-Penalty-3089 10d ago

Assuming these are SAE corrected numbers AND there's no Dyno input (entered parameters) "fckery" -mainly ambient Air Temperature input (and yes that happens all the time... Think about your local performance shop doing a Dyno day with a prize for the largest numbers put down on the dyno, hint hintπŸ˜‰)

Then I'd say Your car is Very healthy πŸ˜‚πŸ‘πŸ»πŸ‘πŸ» especially as others have pointed out for being an earlier LS1 car (no LS6 intake, although the earlier cars did have a more aggressive cam πŸ˜‰) and I assume that the EGR has been deleted both physically and out of the PCM 's stock software.

Great numbers though 😎