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Old September 14th 2015, 08:12
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Steve C Steve C is offline
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Join Date: Sep 2002
Location: Sydney, Australia
Posts: 1,757
Hi

I bought some 6x15 Cookie cutter and had new tyres fitted, 205/50x15 Mickey Thompsons and 195/55x15 Goodyears.

Running at VW only drag meet in a few weeks time, I have been running 245/40x18 Mickeys at the drags and the Snowy Moutains 1000.

The 18s had a diameter of 651mm, the 15s have a diameter of 588mm so these should help with acceleration.

1st gear @ 8000rpm will now do 73 instead of 82 kph
2nd gear @ 8000rpm will now do 125 instead of 139 kph
3rd gear @ 8000rpm will now do 182 instead of 197 kph
4th gear @ 8000rpm will now do 239 instead of 258 kph
5th gear @ 8000rpm will now do 299 instead of 323 kph, all theoretical of course



Steve
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Last edited by Steve C; December 19th 2017 at 05:57.
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