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| mx68u
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 Posted:Sep 23 2002, 07:02 PM |
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Just wondering if some1 can indicate to me what the torque rating is in the following dyno print out. I pressume that number on the left indicate newton what cm's? so i take it that its 280nm? this right?
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| Mr.T
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| Posted:Oct 8 2002, 12:58 AM |
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well its in kW = kilowatts which is a unit of work. dunno y it would be in that though.. kinda odd.. then again i dont know much about dynocharts, just physics.
T
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| Peaknhard
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| Posted:Oct 8 2002, 08:45 PM |
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power is measured in KW they are the 2 upper lines=114KW
but he's asking about the torgue figures which are the 2 lines towards the bottom of the graph, they are measured in NM, im assuming its 3800NM but i could be wrong,
the higher figures are with all the mods and the slightly lower ones are before the boost and chip arnt they, fuck thats some big power i didnt realise b4, man u gotta change ur clutch asap and you'll be fully whipin arse
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| mx68u
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| Posted:Oct 9 2002, 05:51 PM |
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yeah your right lol.. i was looking at the stock line when i posted  judging by this my car has about 380 nm of torque which does sound a bit much.... damn.. looks like your right.. i really need to get that new clutch  |
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| Posted:Oct 9 2002, 10:51 PM |
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mx6 is there a website with info aBOut those clutches in queensland?
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| Rodhog
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| Posted:Oct 10 2002, 12:52 AM |
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You can't really use that for torque rating it usaully means tractive effort of torque
but you see the computer uses the good old
Torque X rpm = power (HP-KW)
but for your peace of mind you wil have a peck of about what should be between350NM and 400NM. As at 14PSI you have double the air/fuel mix inside the engine so the N/A make almost 180NM double that you have 360NM
on 91 ROPN the motor on 7psi half of 14psi had 233NM on 96RON it had 252NM
so on 14psi it could have upto 504NM but you have to remember how much is lost due to heat usaully on simple ratios 1/4-1/3 so it brings it down to 425NM approx.
I don't use torque rating from Dynos let alone power, reason Auto- to manual gearbox cars change the curve, Autos can hide the peck power but show more peck torque, but they can also work in the other way. Manuals can just have the plain old curve put power loss can be from 40Kw's to 15Kw's on soem FWD's
some only say 15% or 30% max but I have seen 60% yes old gearbox worn out. but even so, the car can still beat cars that have 60 70 80Kw's at the wheels and it's only got 55Kw's and a heavey body to pull.
Reason being it's all about where the power is made top end mid end low end. Dyno usaually show good old no bottom end but hight top end. Even on cars with big bottom end. All becuase they use electrics, to make KW's you need RPM,
Dyno are best to be left as a diagnostic machine and tuning.
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| Posted:Oct 10 2002, 01:41 AM |
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btw i just wanted to correct myself, i meant kW is a unit of power, not work... work is (force)(distance) and power is work/time. just wanted to clear that up.
T
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Pitty'n fools since 86
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