Thread: Zs205
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Old 22-09-08, 06:18 PM   #6
RalphG
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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.
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