Best oil for older bottom end
Best oil for older bottom end Top end is all fresh but the bottom end is stock with stock 119K bearings. what would be the best oil to use to help protect a bottom end with 119K on it? should i go with slightly heavier oil? Lucas?
What's the oil pressure? Nothing wrong w/ 5W-40. All any heavier oil is gonna due is bring up the pressure & may not be as effective on top end, a$$uming that top end includes cam bearings. UOA's on BITOG site show that LS engines like a 5W-30 on the heavy side of 30. So, 5W-40 is probably ideal in your case. Only product I ever add to oil is Auto-RX, zinc &/or moly. Anything else, IMO is snake oil syrum.
What's the oil pressure? Nothing wrong w/ 5W-40. All any heavier oil is gonna due is bring up the pressure & may not be as effective on top end, a$$uming that top end includes cam bearings. UOA's on BITOG site show that LS engines like a 5W-30 on the heavy side of 30. So, 5W-40 is probably ideal in your case. Only product I ever add to oil is Auto-RX, zinc &/or moly. Anything else, IMO is snake oil syrum.
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Yah, really a heavy 5W-30 or any 5W-40 is fine. Can get a UOA from an oil lab if you want to confirm how well the oil is protecting, but, from what has been documented on BITOG, either noted oils are fine.
FYI, Patman (known oil guru) tested Pennzoil Platinum when the original "green" Castrol Syntec was no longer being made & the Pennzoil was found to be a decent cost effective replacement confirmed by UOA's. Currently, Castrol Edge is said to be the same as the old Castrol Syntec; again proven w/ UOA's. BITOG web site can answer most any oil related questions & back up the information w/ UOA's. Castrol Syntec is a know 5W-30 that's closer to the 40 end of the scale.
FYI, Patman (known oil guru) tested Pennzoil Platinum when the original "green" Castrol Syntec was no longer being made & the Pennzoil was found to be a decent cost effective replacement confirmed by UOA's. Currently, Castrol Edge is said to be the same as the old Castrol Syntec; again proven w/ UOA's. BITOG web site can answer most any oil related questions & back up the information w/ UOA's. Castrol Syntec is a know 5W-30 that's closer to the 40 end of the scale.
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that actually made me chuckle. "AMS oil is best!"
"it's no better than mobil 1"
"oh okay"
as far as the oil analysis test researching I've done, the German Castrol 0w30 and Pennzoil Platinum/Ultras are very good. I know my car burned the Pennzoil more than anything I've ever run so I now run GC 0w30 in my 125k mile car without much consumption, but may switch to something thicker soon. also you want a good oil filter (K&N, Mobil 1, etc.). honestly I think any major brand synthetic is fine for a daily driver, but I don't grandma mine so spending a few extra $ is worth it, autozone has sales on the GC all the time too.
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FYI, Patman (known oil guru) tested Pennzoil Platinum when the original "green" Castrol Syntec was no longer being made & the Pennzoil was found to be a decent cost effective replacement confirmed by UOA's. Currently, Castrol Edge is said to be the same as the old Castrol Syntec; again proven w/ UOA's. BITOG web site can answer most any oil related questions & back up the information w/ UOA's. Castrol Syntec is a know 5W-30 that's closer to the 40 end of the scale.
Would you guys say Pennzoil is a better oil than the Edge?
01 SS with 140k- Runs like a dream.....
Yah, really a heavy 5W-30 or any 5W-40 is fine. Can get a UOA from an oil lab if you want to confirm how well the oil is protecting, but, from what has been documented on BITOG, either noted oils are fine.
FYI, Patman (known oil guru) tested Pennzoil Platinum when the original "green" Castrol Syntec was no longer being made & the Pennzoil was found to be a decent cost effective replacement confirmed by UOA's. Currently, Castrol Edge is said to be the same as the old Castrol Syntec; again proven w/ UOA's. BITOG web site can answer most any oil related questions & back up the information w/ UOA's. Castrol Syntec is a know 5W-30 that's closer to the 40 end of the scale.
FYI, Patman (known oil guru) tested Pennzoil Platinum when the original "green" Castrol Syntec was no longer being made & the Pennzoil was found to be a decent cost effective replacement confirmed by UOA's. Currently, Castrol Edge is said to be the same as the old Castrol Syntec; again proven w/ UOA's. BITOG web site can answer most any oil related questions & back up the information w/ UOA's. Castrol Syntec is a know 5W-30 that's closer to the 40 end of the scale.
The Mustang I sold LOVED to eat up the Royal Purple I put in it. I used it one time and a little over 1000 miles later, I was already 2 quarts short.
I dunno what that has to do with anything though.
I dunno what that has to do with anything though.
No, we are saying that they are acceptable oils to use. Above was noted where he burned oil while using the Pennzoil. From what I've read & seen in UOA's, Edge is the better choice, but, the Pennzoil is acceptable. Edge is also closer to 40 on the viscocity scale. So, it's a little thcker.
I personally still use the original German Castrol "the green stuff." Haven't yet depleted my stash. Once the stash is gone, will use Edge.
I just put Castrol Edge 5W-30 in my truck last night (black bottle). From what I could find on BITOG it seemed to be 11.3 Cst new but then fell out of the 30W band when changed. Am I looking at the wrong data?
Personally I use German Castrol 0W-30 and M1 0W-40 on my 128K bottom end and change it at 4k miles. Those 2 oils are at the ideal viscosity for LS motors and are cheap. When they are on special they are just over 40 with a M1 or K&N filter. You really shouldn't need to use anything other than those 2, anything more expensive and you are wasting money.
Personally I use German Castrol 0W-30 and M1 0W-40 on my 128K bottom end and change it at 4k miles. Those 2 oils are at the ideal viscosity for LS motors and are cheap. When they are on special they are just over 40 with a M1 or K&N filter. You really shouldn't need to use anything other than those 2, anything more expensive and you are wasting money.
Also, earlier I related 5W-30 to Castrol & it should have read 0W-30. I had 5W on the brain from discussing the Pennzoil.
I use Rotella T6 with a WIX or Pureolator Pure One filter with a 95k stock bottom end. No consumption, clean oil and it's pretty cheap.
Last edited by SlowBurn; Jan 25, 2012 at 06:16 PM.