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Today at bel i got a power fc install and tune, only mods are k&n panel and bov.

I got 153rwkw and 435Nm torque (r34 gtt), does this seem a bit low for the power output?

ive heard of ppl getting 170's with just power fc but ive been told it depends on the type of dyno and run?

one of the bel guys told me hes seen cars get 180+ and only 140+ kw on thier dyno, so how does that work? :D

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im no car expert.. but it sounds like there might be one of ya problems..

If you got like a 3" turboback exhaust it could add about 20kw or so..

153 + 20 = 173.. seems like a better result :)

im also no dyno expert either :D but ya tuning people were probably just giving you some story to make ya happy with the result....

also when you do get the exhaust they will have to retune the PFC again.

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Morgs is correct, differnt dyno's read differntly and dynolog dyno do read lower than others, but whos to say that the dynolog dyno is incorrect, could it be that the dynodynamics dyno is measuring way to high?....all i can say is continue to use the same dyno every time so you can see the difference in mods regardless of what the total Hp is in relation to others

Edited by Zenith
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153 with a stock exhaust is as much as you can expect.

first person ive heard also thats done a PFC before exhaust

I did DFA, SITC and IEBC before the exhaust on the Stagea, does that count?

33% power increase with zero mechanical mods.

:blink: cheers :)

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my mechanic uses dynolog and with a power fc, 13psi, exhaust, pod, fmic i got 170rwkw which i know most guys are usually a tad over the 200rwkw on a normal dyno dynamics in shoot out mode, also my mechanic agreed with me that his reads alot lower and mainly uses it as a tuning tool not really to see how hi figures he can get,

then again ive heard of some dyno dynamics figures that are rediculously high, like 1 guy claiming to have 215rwkw on 10psi, fmic, power fc, exhaust and pod, i just cant see that happenin

yer stick to the same dyno for more consistent records

ben...

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thanks for all the feedback.

i got pfc before exhaust coz i was running very rich and getting bad fuel economy, was worried i might have a problem but tune fixed everything :) ; also once i get exhaust etc its a hourly rate for dyno tune, so no $500 fee everytime i want a tune :P

i didnt get a dyno run before pfc install, only before pfc tune amd i went from 138rwkw to 153rwkw and from 210Nm min 420Nm max torque to 302 Nm min 435Nm max.

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Does it really matter unless you are a dyno queen?. Dyno shymo.When i last looked,a dyno is a tuning tool.If you go to the same dyno with the same(honest) tuner and correction factors are correct and there is no "X" factor input,who cares.Provided it reads consistently,it is a excellent tuning tool.However a whole industry has been built around the "my dad is tougher than yours and my shitter made more Kilowatts than yours".Hey book it in,lean it out,bang some timing in and look at the top end power increase (and overlay it over original power run graph).and they cant get the cash out fast enough.

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  • 1 month later...

Ok. Can anyone out there shed some light on this dyno sheet.

300.jpg

Looking at the IT and AT is it fair to assume the numbers are a bit higher then what the thing would make on an engine dyno?

I tend to think, they have done a few runs at different boost levels, and the inlet temos could be getting up there.

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i made 35 rwkw's changing my exhaust

i believe my second exhaust (blitz jobby) was probably as restrictive, if not more than the stocko unit

when i ditched it for a 3" straight through exhaust (and retune, which wasnt cheap) power reading was much better

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The intake temp probe just sits next to the air filter, so assuming it was a bonnet up run i wouldn't expect more than about 10 degrees different even with an unenclosed pod no matter the time on the dyno.

However, if the bonnet was down it is probably a legitimate power figure for an unenclosed pod.

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