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I think the main difference between 0-62 times might be made up of how much fuel was in the car at the time of the run.
if fuel ways in the region of 1kg/ litre then the difference between a full tank and an empty one is 50kg, and hence, about 0.5 seconds which would account for runs being done in 6.6 (empty tank) and other runs being done in 7.1 (full tank). It would also make a difference to how much the driver weighed. perhaps as little at 65 and as much as 85, which might account for another 0.2 seconds.
Thats a very valid point about the weight thing! When we weighed 172s on a weigh bridge we had full tanks of fuel. perhaps 40 to 50 kg of weight. Do renault publish vehicle weight based on a full tank of petrol as well?
Also stupid things like if you leave the aircon on effects times. Mk1 is faster acclerating than the mk2, but only by about 1 tenth. Neither do 0-60 in under 7. 6.5 secs for the cup is optimistic, id say 6.7/8
Hmm well looking at power to weight ratios of other cars that just doesnt make sense. I know EVO has great drivers at its disposable but im a believer of if it sounds to good to be true, it is to good to be true!
163bhp/tonne. Sound about right to me if you consider the CTR for example which is 166/tonne and gets to 60 in about the same time and EVO are one of the better magazines out there so I doubt they would just make up figures.
they are the offical renault stats, which i think are closer to what 99% of people can get to what evo etc have. EVO dont mind destroying the cars, i.e sidestepping the clutch. Thats why i was doing the faces, cos frankly, unless you like replacing clutches youll never get those times as the above mentioned. Renault gave them times because otherwise theyd be complaints if people struggled to get 6.4 and etc.
From what i know the alfa gtv 3.0 has a better power to weight than the 172s and does 0-60 in 6.7 as a comparison.