# SR20 vs VG30 flywheel

**URL:** <https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202>\
**Category:** SON240sx Automotive\
**Created:** [November 14, 2012, 8:30pm UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202 "2012-11-14T20:30:29Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![simplemind7](https://avatars.discourse-cdn.com/v4/letter/s/0ea827/32.png) [@simplemind7](https://forums.speedlife.net/u/simplemind7)\
**Post date:** [November 14, 2012, 8:30pm UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/1 "2012-11-14T20:30:29Z")

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I can’t find this information on google for some reason. Does anyone know for sure if the bolt pattern to the crank is the same between SR and VG flywheels?

Also does anyone know if the ring gear diameter is the same between the SR and N/A VG. I know the TT is larger.

In other words could you put a VG flywheel/clutch onto an SR and vice versa?

Thanks.

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**Author:** ![simplemind7](https://avatars.discourse-cdn.com/v4/letter/s/0ea827/32.png) [@simplemind7](https://forums.speedlife.net/u/simplemind7)\
**Post date:** [November 15, 2012, 8:02pm UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/2 "2012-11-15T20:02:23Z")

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Anyone? Someone on this site has an SR and VG flywheel sitting around. Or if you only have one could you take a minute to measure the outside diameter of the ring gear please?

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**Author:** ![brandon240](https://avatars.discourse-cdn.com/v4/letter/b/3bc359/32.png) [@brandon240](https://forums.speedlife.net/u/brandon240)\
**Post date:** [November 15, 2012, 11:24pm UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/3 "2012-11-15T23:24:42Z")

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Help this man do something awesome with cars!

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**Author:** ![latins13](https://avatars.discourse-cdn.com/v4/letter/l/e19adc/32.png) [@latins13](https://forums.speedlife.net/u/latins13)\
**Post date:** [November 16, 2012, 12:06am UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/4 "2012-11-16T00:06:40Z")

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I’m pretty sure that it is I got a brand new sr20 clutchmasters stage three with light flywheel if yu interested

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**Author:** ![simplemind7](https://avatars.discourse-cdn.com/v4/letter/s/0ea827/32.png) [@simplemind7](https://forums.speedlife.net/u/simplemind7)\
**Post date:** [November 16, 2012, 5:26am UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/5 "2012-11-16T05:26:19Z")

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I may be interested. PM me a price.

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**Author:** ![latins13](https://avatars.discourse-cdn.com/v4/letter/l/e19adc/32.png) [@latins13](https://forums.speedlife.net/u/latins13)\
**Post date:** [November 16, 2012, 11:47am UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/6 "2012-11-16T11:47:57Z")

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Pm’d

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**Author:** ![simplemind7](https://avatars.discourse-cdn.com/v4/letter/s/0ea827/32.png) [@simplemind7](https://forums.speedlife.net/u/simplemind7)\
**Post date:** [November 18, 2012, 8:17am UTC](https://forums.speedlife.net/t/sr20-vs-vg30-flywheel/227202/7 "2012-11-18T08:17:11Z")

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Found the answer. SR20 is slightly smaller diameter but bolt pattern is the same.