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Showing posts with the label off-road race tyres

FH5, Dirt vs. off-road race tyres

With a semi-slick excursion. A comment in a recent video by Alex “FailRace” Day had me thinking that I ought to see whether off-road race tyres are all they’re cracked up to be in dirt races. I started by doing five trail races on dirt tyres followed by the same five on off-road race tyres to see whether the latter had a significant effect on the times. I used my Fiat Abarth 131. PI S1 820 (dirt tyres) or S1 808 (off-road). 422hp, 915kg, PWR 0.461. Front 56%. Times in […] are my lead over the drivatars at the end of the race – where I remembered to note them. Baja California Dirt: 02:21.817 [+2] Off-road: 02:17.020 [+4] Barranca Dirt: 02:24.321 [+8] Off-road: 02:25.668 [+7; scrappy race somewhat skews this result] Tulum Dirt: 02:55.251 [+6] Off-road: 02:54.474 [+4; not such a great improvement] Cordillera Dirt: 02:54.062 [+4] Off-road: 02:50.844 [+5] Tapalpa Dirt: 02:15.293 [+8] Off-road: 02:15.983 [+8] The results are variable with off-road races tyres sometimes having a clear advanta...