Taller tires and power loss?

[involutions]

Thinking about going from 255/40/19 to the PP size, 275/40/19 on a standard GT, keeping the gearing the same. So, that's 0.6" larger diameter.

If you've put larger tires on the back without re-gearing, how would you describe the difference in acceleration?
Thanks!

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[Shifting_Gears]

The difference would be negligible just on the tire size. Weight of the wheels and tires is what you’ll notice. PP wheels are heavy!

 

[FruityJudy]

So the real question is since the PP come with 275/40 and 3.55s(auto) is he technically going to a 3.55 ratio from what is theoretically a 3.64 gear ratio or is he going from a 3.55 to a 3.46 gear.....

 

[IrishStallion]

Don’ sweat it. I still trap 121 mph plus on those heavy pp1 wheel setup. lol.

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