Fiat Coupe Club UK

gear ratios

Posted By: Anonymous

gear ratios - 22/10/2009 10:14

anyone knows where the 1st and 2nd gear ends , on 6500 rpm , not on the dashboard but on gps/gtech etc
Does 100 km/h comes in 3rd or in 2nd
Posted By: Anonymous

Re: gear ratios - 22/10/2009 11:11

Third i think, second brings me to 95-ish i thought. Altho, i never look at the speedo when driving it like that!

Posted By: Trappy

Re: gear ratios - 22/10/2009 12:05

Originally Posted By: FiatCoupe16vt
anyone knows where the 1st and 2nd gear ends , on 6500 rpm , not on the dashboard but on gps/gtech etc
Does 100 km/h comes in 3rd or in 2nd


Not sure what the actual gear ratios are on a 16vT, but for a 20vT on 205/50/16 wheel/tyres at 6,500rpm the speeds are;
64kph
108.7kph
159.9kph
210.3kph
265.9kph

Give me accurate gear ratios (including final drive) and trye size, and I'll give you exact figures for the 16vT
Posted By: Anonymous

Re: gear ratios - 22/10/2009 12:47

205/45/17
On gtech i get 0-100 in 7sec .I have a problem on the gearbox with the 3rd and it doesn`t enter smooth,so i think that the 0-100 time is affected by the changeing from 2 to 3 gears.
Posted By: Anonymous

Re: gear ratios - 23/10/2009 15:13

there you go :

http://www.rovertech.net/forum/viewtopic.php?t=39439
Posted By: Anonymous

Re: gear ratios - 23/10/2009 15:16

66,95mph 2 gear 6500rpm 205/50/16

72,1mph / 7000rpm

and for me its around 76mph / 120kmh
Posted By: Anonymous

Re: gear ratios - 23/10/2009 16:38

thanks a lot guys . I see that there is all about the launch ... my time on gtech was 7.08 best for 0-100 km/h ,and since i knew that 0-60mph stock should be in 6.8s I thought that 0-62mph will be in 7s ... but now I read that the 16vt stock does 0-100km/h in 7.5 and has nothing to do with the changeing from 2 to 3 smile
it`s silly to ask , but on the dinks stg1 chip , the revlimiter is on 6500 or 7000 ? and what`s the stock revlimit ?
Posted By: Anonymous

Re: gear ratios - 23/10/2009 16:49

And only interest. 16vt on 5th gear and 7200rm = 270kph
Posted By: Anonymous

Re: gear ratios - 23/10/2009 17:58

should be 283kmh ..

24,5mph / 1000rpm

7,2 x 24,5mph = 176,4mph

1,609 x 176,4mph = 283,8kmh
Posted By: Anonymous

Re: gear ratios - 24/10/2009 14:51

Ah, probably tire difference. Mine was measured on dyno, with 195-45-R16.
Posted By: Trappy

Re: gear ratios - 24/10/2009 17:06

You can work out speeds at any rpms by running formulas over gear ratios and tyre sizes. Any other method (road test data or dyno runs) are going to be innaccurate. They're using machines that need to be calibrated for accuracy. Gear ratios and tyre circumferences don't change.
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