# calling all LS1 owners... **URL:** \ **Category:** Shift518 Automotive\ **Created:** [June 14, 2009, 4:13pm UTC](https://forums.speedlife.net/t/calling-all-ls1-owners/244753 "2009-06-14T16:13:16Z")\ **Posts on this page:** 1\ **Showing post:** 26
**Author:** ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)\ **Post date:** [June 15, 2009, 8:36am UTC](https://forums.speedlife.net/t/calling-all-ls1-owners/244753/26 "2009-06-15T08:36:36Z")
> [@PPC6700 questionssssss?](https://forums.speedlife.net/t/ppc6700-questionssssss/19359/19): > > 5w30 seems like water in high temps… I mean granted its fine but i dunno I’d rather use a heavier oil and not have to worry about it breaking down and burning off really fast you’d rather worry about inadequate flow or rediculous pressures due to tighter clearances? on second thought you prolly don’t have to worry because your car is a billion years old. All my old shit i run thick oil in too, but the new shit it’s really not required and will cause excess friction and loss of the all important HPs! --- _[View the full topic](https://forums.speedlife.net/t/calling-all-ls1-owners/244753)._