# 0w40 oil?

**URL:** https://forums.speedlife.net/t/0w40-oil/191649
**Category:** PittSpeed Automotive
**Created:** [August 7, 2007, 12:32pm UTC](https://forums.speedlife.net/t/0w40-oil/191649 "2007-08-07T12:32:14Z")
**Posts on this page:** 1
**Showing post:** 10

<div class="post-metadata">

### Author: ![xlogic](https://avatars.discourse-cdn.com/v4/letter/x/59ef9b/32.png) [@xlogic](https://forums.speedlife.net/u/xlogic)
#### Post date: [August 8, 2007, 4:51am UTC](https://forums.speedlife.net/t/0w40-oil/191649/10 "2007-08-08T04:51:53Z")

</div>

> [@Damn, Melissa Holmes is HOT.](https://forums.speedlife.net/t/damn-melissa-holmes-is-hot/31707/26):
>
> I personally use 10W30 GTX conventional oil. I have heard horror stories about synthetic oil leaking and stupid stuff.

yea…engines that have run regular non synthetic oil their whole lives should stay that way…i think a rule of thumb is if your motor is over 70k DO NOT switch to synthetic

---

_[View the full topic](https://forums.speedlife.net/t/0w40-oil/191649)._