# AMS R35 GTR Race Pulley Install/Specs...

**URL:** <https://forums.speedlife.net/t/ams-r35-gtr-race-pulley-install-specs/121046>\
**Category:** Vendor Marketplace\
**Created:** [January 10, 2009, 5:25pm UTC](https://forums.speedlife.net/t/ams-r35-gtr-race-pulley-install-specs/121046 "2009-01-10T17:25:34Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![Kevin](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kevin/32/5720_2.png) [@Kevin](https://forums.speedlife.net/u/Kevin)\
**Post date:** [January 13, 2009, 3:15pm UTC](https://forums.speedlife.net/t/ams-r35-gtr-race-pulley-install-specs/121046/20 "2009-01-13T15:15:52Z")

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Yes it’s freeing up the power, which is why we added the formula in there. You’d still end up with 10+ hp over what was achieved with the factory crank pulley 🙂

> [@FS:D16Z6,Sparco,And More](https://forums.speedlife.net/t/fs-d16z6-sparco-and-more/19856/7):
>
> Vuk, wouldn’t you be freeing power rather then making power as you’re reducing rotational mass on the crank?
> 
> I look forward to the dyno results as I believe it’ll continue to set AMS apart from other manufacturers.

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