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Author regals rollers are made by max power
Dave A
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Registered: 10th Dec 03
Location: County Durham
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16th Jun 07 at 22:51   View User's Profile U2U Member Reply With Quote
yep. sundays I go to church.
Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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16th Jun 07 at 22:52   View User's Profile U2U Member Reply With Quote
What do you make off this graph?
Martin_C
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Registered: 27th Jun 03
Location: Ayrshire, Scotland
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16th Jun 07 at 22:53   View User's Profile U2U Member Reply With Quote
i ran the ek9 a good few times,

standard it should be 185bhp.

went to rollers, 210bhp, didnt believe it.

went to maha rollers, calibrated 2 days before, 205bhp.

added panel filter, manifold, downpipe, decat, centre and back box, back to same maha rollers, made 208bhp.

as dave says, it shouldnt be used to measure power, but as a tool to test modifications in my eyes.
Dave A
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16th Jun 07 at 22:55   View User's Profile U2U Member Reply With Quote
not a lot, not very precise or clear. Well lane have an old dyno, works on inertia rather than any electronic or computer calculations. compare that with a graph from a modern dyno. however you cant tell its accuracy figure wise from that.
Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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16th Jun 07 at 23:02   View User's Profile U2U Member Reply With Quote
WoW i've just checked and i got that done in Feb 05.

Bet it's a lot less now
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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16th Jun 07 at 23:51   View User's Profile U2U Member Reply With Quote
mine made 446 today at a different rolling road usinf different rollers and calibration/data logging shit
sigibbons
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16th Jun 07 at 23:58   View User's Profile U2U Member Reply With Quote
How do manufacturers get there figures for their engines then? Must be pretty accurate?
Dave A
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16th Jun 07 at 23:59   View User's Profile U2U Member Reply With Quote
manufacturers test the engines in a closed cell dyno out of the car.
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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16th Jun 07 at 23:59   View Garage View User's Profile U2U Member Reply With Quote
On a crank dyno I'd have thought
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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17th Jun 07 at 00:26   View Garage View User's Profile U2U Member Reply With Quote
roto hub dynos

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