Let us talk tire size
01-16-2019, 09:25 PM
#2
Trying to figure it out!
I would venture to say they usually will be if traction is not an issue because it will bring your gear ratio down (not to mention rotational mass). Can it be too low? I'm sure it can.
01-16-2019, 10:16 PM
#3
Senior Member
As stated above, they generally do, assuming they're wide enough to have adequate traction.
01-17-2019, 05:30 AM
#4
Originally Posted by Bigcat1185
I need someone who is smarter than me to explain why smaller tires, say 29” or 30”, would or would not net better 1/4 mile times than larger tires.
01-17-2019, 10:03 AM
#5
Takes less power to move or rotate the shorter and probably lighter tires. Plus it can change your effective gear ratio quite a bit. Say you have 3:31s and run a 28" tire your effective gear ratio would probably be around 3:90. Where you have to be careful is making sure the tire keeps you in the appropriate gear across the finish line and you don't shift an extra time if you are running too short of a tire.
Trending Topics
01-17-2019, 10:48 AM
#8
Senior Member
More important than an extra shift is just setting up your tire size to use every rpm of however many gears you end up running through.
You don't wanna get out of 3rd and only barely into 4th that sucks so you'd wanna go slightly taller. By contrast I'd you're getting into 4th a decent amount I'd go even shorter to use more of 4th. As long as you can still hook with the shorter gear ratio.it should all be positive.
With these automatics with a good tune an extra shift is hundreths of a second lost at most. If it's a manual you absolutely don't want to have an extra shift as it's full tenths of a second lost to hit another shift.
As long as the next gear you drop into you use all of it or close to all of it you're good.
You don't wanna get out of 3rd and only barely into 4th that sucks so you'd wanna go slightly taller. By contrast I'd you're getting into 4th a decent amount I'd go even shorter to use more of 4th. As long as you can still hook with the shorter gear ratio.it should all be positive.
With these automatics with a good tune an extra shift is hundreths of a second lost at most. If it's a manual you absolutely don't want to have an extra shift as it's full tenths of a second lost to hit another shift.
As long as the next gear you drop into you use all of it or close to all of it you're good.
Last edited by w00t692; 01-17-2019 at 11:35 AM.