# Stupid o2j...... Waiting for the I told you so from MK30R.

**URL:** https://forums.speedlife.net/t/stupid-o2j-waiting-for-the-i-told-you-so-from-mk30r/250398
**Category:** Shift518 Automotive
**Created:** [February 18, 2010, 5:46am UTC](https://forums.speedlife.net/t/stupid-o2j-waiting-for-the-i-told-you-so-from-mk30r/250398 "2010-02-18T05:46:18Z")
**Posts on this page:** 1
**Showing post:** 15

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### Author: ![Mk4\_30R\_Ban](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mk4_30r_ban/32/6347_2.png) [@Mk4\_30R\_Ban](https://forums.speedlife.net/u/Mk4_30R_Ban)
#### Post date: [February 18, 2010, 9:33am UTC](https://forums.speedlife.net/t/stupid-o2j-waiting-for-the-i-told-you-so-from-mk30r/250398/15 "2010-02-18T09:33:01Z")

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> [@Dealership says my stereo killed my ECM?? BS??](https://forums.speedlife.net/t/dealership-says-my-stereo-killed-my-ecm-bs/29400/2):
>
> O2J = VW 5 speed manual, (weak gear sets, high rpm shift issues, rivited stock dif/ring gears come apart)
> 
> O2M = VW 6 speed manual, (bigger stronger gears, shifts like butter at high rpm, same shitty rivets still there)
> 
> I fucked my ride home basicly. lol 4th gear ride home here I come.

rivets or not, people rape the 02M stock diffs and they hold well. at over 400whp with over 120 SLICK passes a guy finally broke the diff.

its night and day. make sure the 1/2 slider is good and youre in business.

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