- First Name
- Marty
- Joined
- Dec 19, 2020
- Threads
- 31
- Messages
- 1,805
- Reaction score
- 3,123
- Location
- North Carolina
- Vehicle(s)
- 2021 Ford Bronco Sport and 2004 Ford Escape AWD
- Banned
- #61
225 to 245 and additional rotational mass.
Two things, the first is from the racing world.
Every single pound of rotational mass has the same effect as adding two pounds of static mass. You are asking a small engine to spin up more weight.
And at the same time you raised all the gear ratios by going to a taller tire.
Your ‘rollout’ has changed.
You kinda sorta turned 1st gear into second. Your engine is now working harder. It’d dealing with more spinning mass and taller gears.
I went from the stock 225 all season Conti’s to 235 Yokohama Geolandars G015’s that are each five pounds heavier than stock with No noticeable loss in acceleration or mpg’s but my treads are not quite as chunky as the ones u have.
Two things, the first is from the racing world.
Every single pound of rotational mass has the same effect as adding two pounds of static mass. You are asking a small engine to spin up more weight.
And at the same time you raised all the gear ratios by going to a taller tire.
Your ‘rollout’ has changed.
You kinda sorta turned 1st gear into second. Your engine is now working harder. It’d dealing with more spinning mass and taller gears.
I went from the stock 225 all season Conti’s to 235 Yokohama Geolandars G015’s that are each five pounds heavier than stock with No noticeable loss in acceleration or mpg’s but my treads are not quite as chunky as the ones u have.
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