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  • Donating Members
  • Member For: 18y 11m 25d
  • Gender: Male
  • Location: Sydney NSW

you cant really say 450, or 400 or what ever, its always dependant and PCM calibrations and hardware.... if your motor can handle 20psi and a resonable amout of spark timing without overly increasing combustion temperature then it may happilyy make 450 for ages... but regardless of how perfectly set up the car is, your still relying on thin, wobbly toothpick conrods, brittle pistons ect

450 has been fine in many stock motors, but dont expect them all to be ok.

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  • ...JD TUNING ADELAIDE...
  • Gold Donating Members
  • Member For: 16y 11m 14d
  • Gender: Male
  • Location: Adelaide
Still tuning , so far 396@17psi

sweet as no doubt the single 044 is doing ya proud lol

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