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22-09-08, 01:06 PM
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#1
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Registered User
Join Date: Jul 2007
Location: Kent
Posts: 1,909
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Zs205
I went on a rolling road yesterday at Atspeed in Rayleigh, Essex. Three runs were performed on my car and it reached 167.4BHP at the wheel. This, I am told, is about 205BHP at the flywheel 
Here's a vid of the car on the rollers.
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By how much do those who have gained by war fall short of the number of those who have perished in it? No doubt you will reply that there can be no comparison, that the dead cannot be numbered, while the living who have been rewarded may be summed up with three figures.
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22-09-08, 03:29 PM
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#2
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2007 Focus ST2
Join Date: Jul 2007
Location: Polomint City
Posts: 4,826
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Hmmm, mine had similar and mine was 198.3bhp at the fly, and 168bhp at the road wheels
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22-09-08, 03:52 PM
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#3
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Senior Pant Sniffer
Join Date: Jul 2007
Location: staffordshire
Posts: 4,771
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mine was 193bhp atf and 173 atw
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22-09-08, 04:01 PM
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#4
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Member
Join Date: Jul 2007
Posts: 539
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they all different but thats still a nice healthy result .
Mine made 174 wheels ......204 fly once ,another time 212 fly and 160 summat wheels.Best one i know of was 210 fly and 155 wheels ,rflmao.
what mods is it runing ralph ?
Dave
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Re-united with the power of 300 stampeding stallions
Turbo Powaaaah FTW.
Dave
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22-09-08, 05:56 PM
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#5
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Events Organiser-Scotland
Join Date: Jul 2007
Location: Livingston
Posts: 7,667
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it all depends on the weather and whether the guy setting it up does it 100% right
They're good for a rough idea though
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22-09-08, 06:18 PM
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#6
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Registered User
Join Date: Jul 2007
Location: Kent
Posts: 1,909
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In order to get an accurate figure the tyres have to be measured. Most rolling roads do it by taking the numbers printed on the side of the tyre. These guys actually measured the diameter of the tyres on each car run. If you take the size from the tyres and the tyres have low tread the rolling road will indicate that you have more power than you actually do.
These guys were certainly better than Emerald, who made a complete and utter **** up of the run that I did there in my green ZS. According to them, my unmodified ZS180 made 184.8 BHP at 7430rpm, and the power was still climbing! The torque peaked at 147.2 @ 4937rpm.
__________________
By how much do those who have gained by war fall short of the number of those who have perished in it? No doubt you will reply that there can be no comparison, that the dead cannot be numbered, while the living who have been rewarded may be summed up with three figures.
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22-09-08, 07:08 PM
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#7
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Guest
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Bet your very happy with that 
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23-09-08, 07:35 AM
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#8
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Site Owner
Join Date: Jul 2007
Location: Waterlooville, Hants
Posts: 24,096
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Still impressive figures Ralph, bet you are happy.
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23-09-08, 12:07 PM
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#9
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Registered User
Join Date: Jul 2007
Location: Kent
Posts: 1,909
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Yes, I'm happy with the figure. If it had been much lower I would have been disappointed.
BTW the operator of a rolling road can produce any results they want. Whilst I was at this day the owner of the RR played a practical joke on one of the MGF owners by making his car only show 95.8HP at the wheel. The actual figure for the car was around 115HP.
Mods to the Twilight ZS180 include Janspeed manifolds, de-cat, XPower back box and ITG in the inner wing. Plus whatever Janspeed/MG Rover did to the engine.
__________________
By how much do those who have gained by war fall short of the number of those who have perished in it? No doubt you will reply that there can be no comparison, that the dead cannot be numbered, while the living who have been rewarded may be summed up with three figures.
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23-09-08, 12:18 PM
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#10
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Site Owner
Join Date: Jul 2007
Location: Waterlooville, Hants
Posts: 24,096
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Interesting that, so there's a small amount of the unknown with regards the engine internals.
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