Forsure go with the larger size- i went with 275-40-17 and they are great!

 

LOL cxl and your 60ft times,

RYGI, next time i go to the track i'll see if i can rack out some 1.8x-1.9x ........i'll just have to remember to let the air pressure out, 40+psi doesnt help, so i imagine the 2.08 on 40+psi would go down quite a bit if i lower the pressure to around 24-25psi

 

I just dont see a stock mach getting a 1.58 60ft. Maybe mine is underpowered from stock... dunno.

 

Im thinking corey prolly isnt telling us the whole truth... I see stock suspension, but i dont see anything about stock motor!! lol