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Dyno Sheet


ugy

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  • Donating Members
  • Member For: 19y 3m 13d
  • Location: Auckland
what did your tuner tell you.. or you havent spoke to him yet.. it could be like what cobrav8 has said that the tuner could have backed off..

Dont know if he backed off or not

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  • Member For: 19y 3m 13d
  • Location: Auckland
if the tuner was backing off wldnt the boost drop off as well.do you have standard valve springs??

I have got the springs done.I would have thought the boost would drop off

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  • Member For: 20y 11m 10d
  • Location: Melbourne
Are you sure that isnt the tester backing off at that point?

I doubt this very much - torque is falling away at that point, and if it does so quickly enough, then power will drop.

Curve looks fine to me - but expectations will depend on what other mods you have!

Maintaining high torque at high rpm is very hard particularly with the stock induction plumbing, and to a lesser extent the stock exhaust (well cat anyway), as losses are much higher with the higher flow rates.

Based on the amount of boost, I would hope valve springs have been done.

If you post up the rest of your mods, I am sure we can provide some more constructive comment. :spoton:

Cheers,

Ben.

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  • Member For: 20y 11m 10d
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Is the torque on the dyno sheets also accurate?  :spoton:

Yep - this is at the wheels - so you would need to divide by the diff ratio assuming the gear used was 1:1 for "engine torque at the wheels"

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  • Donating Members
  • Member For: 19y 3m 13d
  • Location: Auckland
Are you sure that isnt the tester backing off at that point?

I doubt this very much - torque is falling away at that point, and if it does so quickly enough, then power will drop.

Curve looks fine to me - but expectations will depend on what other mods you have!

Maintaining high torque at high rpm is very hard particularly with the stock induction plumbing, and to a lesser extent the stock exhaust (well cat anyway), as losses are much higher with the higher flow rates.

Based on the amount of boost, I would hope valve springs have been done.

If you post up the rest of your mods, I am sure we can provide some more constructive comment. :spoton:

Cheers,

Ben.

Hi Ben, the mods are

42 injectors

Hyperflow IC

Flasher

K&N

CAI

Valve Springs

Cat gone and centre muffler gone

320rw backed off to 303rw

Thanks Bill

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