I was looking at the Mobil website the other day and saw that they have some new "Advanced Fuel Economy" that is basically 0w20 or 0w30 meant to replace regular weights. Seems like the thinner oil may lower oil pressure but I am pushing 55psi at 1000 RPMs anyway. Has anyone tried this yet? Or any type of 0 weight?
PS. If any of you use Mobil, they've got a rebate on their website for $10 off a 5 quart purchase.
'00 Silverado 4.8L (Gone)
'11 Silverado 4.8L
Originally Posted by RUFFNECK
1. i put the 0w-30 in my canyon. didn't notice any difference...good or bad.
2. thanks for the heads up on the rebate.
ive been using 0w30 for 2 years now and i can tell a difference with it. Using it has given me an improvment in fuel economy but it has also quieted down the noisy lifters i had.
that is a thin oil for the colder states. a hot state like Tx i wouldnt use it in that state.
Last edited by George C; 01-23-2009 at 01:18 PM.
2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
2002 Silverado - 427Lsx w/ Twin gt4202s
2010 Silverado crewcab Z71 - 5.3litre w/ procharger
2000 Wrangler - 5.3litre with some stance
2014 Xsport- 3.5 Eco boost
412 Motorsports
it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference
I've used in 2 trucks. Didn't see any difference good or bad like stated before.
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
I used Mobil 0W30 when my truck was stock and you could hear the lifters a little with it.
It sure goes down the funnel fast.
2000 Sierra 2500 HD. 408 (11-2007) Whipplecharged, Big (18x24x4) FMIC.
i run 5w-30 and thanks for the rebate!!
i just printed mine off
Yep. M1 5W30 here. Change the oil annually in the Denali and 3 times per year in the Blazer.
X2 anything above 45*F i wouldnt use it.. Its meant for winter and extreme cold.
Well DUH. The viscosity index of the oil is the "thickness" and is soley dependent on the temperatures in which it will flow. The lower the viscosity number, the thinner the oil. We all use multi-grade oil, hence the 5W30 designation. The "5W" is the cold start viscosity (0W is at -35 degrees Celsius, 5W is at -30 degrees Celsius, and 10W is at -25 degrees Celsius) and and the "30" is the viscosity of the oil at 100 degrees Celsius.
2000 ECSB 6.0L
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