# Going 2 sizes smaller on the SRT, thoughts?

**URL:** https://forums.speedlife.net/t/going-2-sizes-smaller-on-the-srt-thoughts/44511
**Category:** NYSpeed Automotive
**Created:** [March 5, 2008, 6:22pm UTC](https://forums.speedlife.net/t/going-2-sizes-smaller-on-the-srt-thoughts/44511 "2008-03-05T18:22:21Z")
**Posts on this page:** 1
**Showing post:** 64

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### Author: ![cougarspeed](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cougarspeed/32/7468_2.png) [@cougarspeed](https://forums.speedlife.net/u/cougarspeed)
#### Post date: [March 6, 2008, 12:55pm UTC](https://forums.speedlife.net/t/going-2-sizes-smaller-on-the-srt-thoughts/44511/64 "2008-03-06T12:55:30Z")

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> [@slasky](#):
>
> I think that is for weight of the car and not for rotational mass.

I was just going to say this and the fact that the added sidewall from a 15in tire will help the car hook a ton. I know my car is much different but on 18in dr’s i cut 1.9 60 ft’s and on 15in. i cut 1.56 60 ft’s.

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