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+--- Thread: Another Oil test... (/showthread.php?tid=7258)
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- Mike - 04-30-2008
lol you lazy asshole. you've probably wasted so much time filling up all the extra times as compared to just reinstalling the damned gasket. lol.
- WRXtranceformed - 04-30-2008
Dude the extra mpg had nothing at all to do with fucking tailwinds haha. That was just one example. I regularly got 26.5-27mpg on the highway and 24.5mpg mixed driving when I ran RP. I switched back to M1 just to see the difference and couldn't manage better than 24mpg on the highway.
- Ginger - 04-30-2008
6% would be roughly equivelant with RP's claims. If they're valid.
- mrbaggio - 05-01-2008
Still sounds like bullshit to me or everyone would use that oil.
The tornado claims a 24% mpg increase too. That does not make it true.
- WRXtranceformed - 05-01-2008
*shrug* I don't know what to tell you! I don't have any reason to exaggerate... I do so much driving that I closely monitor my fuel mileage. Mostly out of boredom, because I don't pay for gas anyway. You can believe it or not, it's not my fuel mileage so I don't care what you do either way!
- ViPER1313 - 05-01-2008
I don't know how much stock you can put in this test - different weight oils used, only one type of test.
Has anyone here actually had an internal engine part fail that you could trace to poor lubrication (ex.. spun rod bearing, worn piston rings) over an extended period of time and was not caused by negligence (super long oil changes, ran motor hard while low on oil, etc..)
And while people are throwing around what they use in their cars:
SHO: Mobile 1 5w30 (just because I don't want to switch back from synthetic.)
Talon - Castrol GTX High-Mileage 5w30 - mistake, gonna switch to GTX HM 10w30
Pontiac - Castrol GTX 5w30
Mom's Mazda 6 - Castol GTX 5w20
Taurus GL - Cheapest name-brand oil, 5w30
The SHO and GL are the only cars old enough I feel I can make a case study of:
SHO's motor looks clean as hell in the inside at 166k miles but the valves tick like a MF'er when cold now (after ghost knock left.) Also leaks tons of oil out of front main (IDK when it was last replaced, probably never), rear main weeping 40k miles after install, small leaks around oil pan 35k miles after gasket replacement.
GL - No leaks, uses little to no oil (1qt every 4-5k miles), 150 compression across all 6 cylinders, 145k miles. Synthetic oil never used.
Not conclusive by any means, but I wish I had never let the SHO eat synthetic. On a side note, the highest mileage SHO known of on SHOForum (91' - 320k miles on original motor, rod bearings replaced preventively at 270k miles) has had nothing but GTX 5w30 put in it since new - 3k mile change interval. Not that it really proves anything.