Effect of tyre on performance…. I would like to know the effect on performance with changes in diameter and width. Let us consider any stock vehicle and change only 1 parameter – Tyre for my understanding.
Effects of using a wider track tyre maintaining the recommended diameter.
Effects of upsizing by 1 or 2 inches maintaining the standard width.
In the above cases, there are no changes in the profile of the tyre in the above scenarios (the ratio of tyre width % remains unchanged) or the thread pattern. Radials are considered and lets use these mainly for dry conditions – city roads and highways.
By effects, I mean: - Strain on the engine
- Changes in top speed
- Changes in pick-up
- Mileage
Even if the “effects” mentioned above is not very significant, I would like to know the theoretical outcome of the changes.
I will jot down my comments:
A wider tyre would produce better grip resulting in better pick-up, cornering capabilities but lower top speed, and has a higher strain on the engine. By reducing the dia by an inch or two, the strain on the engine can come down. But, 1 rotation of the hub would result in .9 rotation of the tyre which in total brings the mileage down. Also the extra width would reduce the mileage by .5 Km to a liter.
Not sure if am right; please comment.
Can some veteran in this group throw some light on other probabilities also like increasing the dia and reducing the width and so on?
Last edited by Jaggu : 29th September 2009 at 12:20.
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