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02-14-2011, 07:14 PM
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#1 |
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Registered User
Join Date: Mar 2010
Location: bayville,nj
Posts: 165
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Motor Oil Selection
I have a 94 GMC C3500 crew cab with the 454 in it. My question is what Oil would u recommend I like Synthetic oil. The truck has about 100000 miles on it. Any suggestions some said use reg oil with a Quart of Lucas?. I also can get
gallons of 15,40 from my job any thoughts on using this oil maybe with a quart of lucas. Any thoughts out there thanks... |
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02-14-2011, 08:54 PM
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#2 |
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Registered User
Join Date: Feb 2011
Location: sterling heights michigan
Posts: 55
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Re: Motor Oil Selection
I use and would recommend what they use in corvette's, Ferrari's and other high performance vehicles mobile 1. Like I tell my friends " if it's good enough for a vette it's good enough for OldBlue" I have increased 1 mpg using mobile 1.
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02-14-2011, 09:54 PM
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#3 |
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Registered User
 
Join Date: Jan 2010
Location: NRH, TX
Posts: 198
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Re: Motor Oil Selection
I spend alot of time in this forum too. Alot of good info as far as oil goes.
http://www.ls1.com/forums/showthread.php?t=1299 Make sure to look towards the end some of the newer post.
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78 El camino 89 GMC SWB 98 Z28 99 2dr 2wd Tahoe (sold 8/31/2012) 07 Yukon SLT 09 G8 GT Last edited by FMBL; 02-14-2011 at 09:55 PM. |
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02-14-2011, 09:57 PM
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#4 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Motor Oil Selection
Synthetics cost more, but if you go further between changes, it'll help even out the cost. My neighbors got divorced. She gave me 7 quarts of Mobil 1. SCORE!!!!
Anybody use those Frantz toilet paper oil filters?
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. Last edited by ChevLoRay; 02-14-2011 at 09:58 PM. |
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02-15-2011, 07:57 PM
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#5 |
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Registered User
Join Date: Mar 2010
Location: bayville,nj
Posts: 165
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Re: Motor Oil Selection
any suggestions on what weight to use?
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02-15-2011, 08:17 PM
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#6 |
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Account Suspended
Join Date: Jul 2006
Location: DFW
Posts: 1,427
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Re: Motor Oil Selection
Any quality oil of the type recomended by GM. Change it and the filter at the intervals recomended by GM.
If you just got the truck and don't know if the oil's been changed regularly or it looks nasty cut the interval in half for a few oil changes. |
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02-15-2011, 09:44 PM
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#7 |
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error 404
Join Date: Oct 2010
Location: soldotna alaska
Posts: 1,252
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Re: Motor Oil Selection
I use 5w30 but i only use it in the winter. 10w30 is just fine in summer. i like Q and Quaker State (its just what my dad used when i was a kid.) Mobile 1 is definately a good one, but expensive. adding a quart of Lucas to anything will most likely help.
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 89 Chevy swb 350 "SJ" DD turned parts truck. SOLD 90 Chevy ext cab loooongbed. "storm trooper" Rust In Peace. 06 Kia sorento wife's car 06 charger srt8 "lucifer" my toy '12 Kia optima |
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02-15-2011, 10:32 PM
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#8 |
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Registered User
Join Date: Feb 2000
Location: Wichita Falls, Texas
Posts: 3,153
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Re: Motor Oil Selection
I run Mobil 1 in everything. Been doing it for years.
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02-15-2011, 10:36 PM
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#9 |
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Watchin the rust grow
Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Re: Motor Oil Selection
I use Valvoline, and have been these last 40,000 miles with no problem. I wouldn't suggest using the 15-40, I would use the weight GM would like you to.
Has anyone here ran a Wix filter?
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1979 Chevy K10 (H/D Front end) - 350 w/ Holley Truck Avenger, Weinald Intake manifold, headers, bored .060 over, mild cam, Built up TH350 (TranStar Shift kit) with a part-timed NP203 t-case SOLD ($3,000) 1997 Chevy Silverado 1500 - 4.3 vortec, extended cab, 21 highway MPG, stock. "Red" SOLD ($3,000) 1987 Toyota 4wd Pick-up - work in progress, future DD SOLD ($1,850) 1998 Dodge Ram 2500 Cummins 5spd Quad cab - old 12 valve with some work done  2004 Chevy Silverado - Black, 4x4, 5.3L, stock for now Underneath that rust is a heart of gold
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02-15-2011, 11:19 PM
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#10 |
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error 404
Join Date: Oct 2010
Location: soldotna alaska
Posts: 1,252
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Re: Motor Oil Selection
yeah. 15w40 seems a bit thick. but seeing as its been getting colder and colder (global warming huh?) i liker running as thin of oil as possible. yes i know that can become dangerouse but I've never had anything thicker than 10w30 and i've had no problems.
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89 Chevy swb 350 "SJ" DD turned parts truck. SOLD 90 Chevy ext cab loooongbed. "storm trooper" Rust In Peace. 06 Kia sorento wife's car 06 charger srt8 "lucifer" my toy '12 Kia optima |
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