# What oil do you use? **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [December 2, 2007, 10:20am UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971 "2007-12-02T10:20:35Z")\ **Posts on this page:** 13\ **Page:** 3
**Author:** ![SixSpeed454SS](https://avatars.discourse-cdn.com/v4/letter/s/e19adc/32.png) [@SixSpeed454SS](https://forums.speedlife.net/u/SixSpeed454SS)\ **Post date:** [January 13, 2008, 3:29pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/41 "2008-01-13T15:29:50Z")
WD40 😃 Actually Castrol 10W40 since the truck was new. ---
**Author:** ![SmokinDiesel](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@SmokinDiesel](https://forums.speedlife.net/u/SmokinDiesel)\ **Post date:** [January 13, 2008, 3:57pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/42 "2008-01-13T15:57:36Z")
Rotella … And to think that I actually put it in a diesel … lol Pennzoil In the Dakota Mobel 1 In Jeep SYN3 In the Harley ---
**Author:** ![traydogg6969](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/traydogg6969/32/5999_2.png) [@traydogg6969](https://forums.speedlife.net/u/traydogg6969)\ **Post date:** [January 14, 2008, 2:46am UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/43 "2008-01-14T02:46:59Z")
Royal Purple Synthetic 10w 40 ---
**Author:** ![Wayne9125](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne9125/32/6045_2.png) [@Wayne9125](https://forums.speedlife.net/u/Wayne9125)\ **Post date:** [January 14, 2008, 5:24am UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/44 "2008-01-14T05:24:32Z")
> [@Shaving?](https://forums.speedlife.net/t/shaving/34339/19): > > Rotella … And to think that I actually put it in a diesel … lol > Pennzoil In the Dakota > Mobel 1 In Jeep > SYN3 In the Harley I use retella in my 7.3 but use castrol in my 6.0 since I was told rotella is the leading cause of injector and turbo failure in the 6.0s ---
**Author:** ![SmokinDiesel](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@SmokinDiesel](https://forums.speedlife.net/u/SmokinDiesel)\ **Post date:** [January 14, 2008, 1:24pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/45 "2008-01-14T13:24:20Z")
> [@WTB: somethin sexy $5500 MAX](https://forums.speedlife.net/t/wtb-somethin-sexy-5500-max/34319/15): > > I use retella in my 7.3 but use castrol in my 6.0 since I was told rotella is the leading cause of injector and turbo failure in the 6.0s Ive heard that as well about the 6.0 problems … But I dont believe it … Havn’t seen any proof as of why it would cause any failure … But its better to be safe than sorry ---
**Author:** ![Wayne9125](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne9125/32/6045_2.png) [@Wayne9125](https://forums.speedlife.net/u/Wayne9125)\ **Post date:** [January 14, 2008, 7:25pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/46 "2008-01-14T19:25:05Z")
> [@Radar questions](https://forums.speedlife.net/t/radar-questions/34347/10): > > Ive heard that as well about the 6.0 problems … But I dont believe it … Havn’t seen any proof as of why it would cause any failure … But its better to be safe than sorry well i was told but a diesel mechanic down at the local ford garage that over half the time i truck comes in with turbo or injector problems it was due to them using rotella so id rather not risk it…my dad put rotella in the 7.3 since day one without any problems so who knows ---
**Author:** ![nick13](https://avatars.discourse-cdn.com/v4/letter/n/7cd45c/32.png) [@nick13](https://forums.speedlife.net/u/nick13)\ **Post date:** [January 14, 2008, 8:52pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/47 "2008-01-14T20:52:19Z")
my dad uses this elf 505 spec shit for his diesel u can go like 30k mi between oil changes ---
**Author:** ![Shaggy](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shaggy/32/5945_2.png) [@Shaggy](https://forums.speedlife.net/u/Shaggy)\ **Post date:** [January 14, 2008, 9:20pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/48 "2008-01-14T21:20:35Z")
best thing for a motor is hydraulic fluid. ---
**Author:** ![06F4i](https://avatars.discourse-cdn.com/v4/letter/0/e99b99/32.png) [@06F4i](https://forums.speedlife.net/u/06F4i)\ **Post date:** [January 14, 2008, 9:57pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/49 "2008-01-14T21:57:03Z")
RepSol 10-50 in the bike Royal Purple 10-30 in the car ---
**Author:** ![zxtuner98](https://avatars.discourse-cdn.com/v4/letter/z/ecc23a/32.png) [@zxtuner98](https://forums.speedlife.net/u/zxtuner98)\ **Post date:** [January 15, 2008, 11:46am UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/50 "2008-01-15T11:46:39Z")
I’m pleased with Super Tech 5w30 synthetic. One of the best oil’s you can use actually and it’s fairly inexpensive. ---
**Author:** ![dyingwish](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dyingwish/32/6041_2.png) [@dyingwish](https://forums.speedlife.net/u/dyingwish)\ **Post date:** [January 15, 2008, 11:49am UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/51 "2008-01-15T11:49:20Z")
> [@On another topic](https://forums.speedlife.net/t/34372/14): > > best thing for a motor is hydraulic fluid. No way does that outperform vaseline ---
**Author:** ![VdubSPEEDracer](https://avatars.discourse-cdn.com/v4/letter/v/f08c70/32.png) [@VdubSPEEDracer](https://forums.speedlife.net/u/VdubSPEEDracer)\ **Post date:** [January 15, 2008, 12:16pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/52 "2008-01-15T12:16:58Z")
> [@I want to make Tshirts... i need a good blank t shirt](https://forums.speedlife.net/t/i-want-to-make-tshirts-i-need-a-good-blank-t-shirt/33554/25): > > amsoil full synthetic 5w-30 engine oil > amsoil full synthetic synchromesh 5w-30 tranny fluid > > love them both tranny shifted so much nicer and this was changed at about 5k miles on the car > > the valve train on my engine makes less noise now and i HONESTLY get better gas mileage also > > i still change the oil every 5k not like amsoil rec at once a year or 15k miles I know it was already mentioned but I also run Amsoil fully synth. and its a 25K or 1 year interval now (with their filter), I had mine tested about 1/2 through the year which was at the 5500K mile mark and the blackstone lab results came back great with a TBN at 5.1 (active additive) 1.0 is low, told me to check back in another 3K, my year is up in the spring in which I will have upwards of 11-13K miles, I will take a sample on my year end oil change and then pending results, most likely just stick to the 1 year intervals… ---
**Author:** ![SmokinDiesel](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@SmokinDiesel](https://forums.speedlife.net/u/SmokinDiesel)\ **Post date:** [January 15, 2008, 12:55pm UTC](https://forums.speedlife.net/t/what-oil-do-you-use/193971/53 "2008-01-15T12:55:48Z")
> [@1999 accord vtec, givin me guff!](https://forums.speedlife.net/t/1999-accord-vtec-givin-me-guff/34287/17): > > my dad uses this elf 505 spec shit for his diesel u can go like 30k mi between oil changes They may say 30k between changes … but I would in no way wait that long to change oil … Im a 5k religious oil change guy … Diesels put out way to many composets that break down oil … [Previous page](https://forums.speedlife.net/t/what-oil-do-you-use/193971.md?page=2)