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#4612981 - 12/24/17 11:16 AM LS oil?
Sealbilly Offline


Registered: 07/02/16
Posts: 165
Loc: EasTn
Ok, seems nobody can agree on weight for the LS chevy engine. I have 3 chevy trucks, a 09 5.3 with 35k on it a 99 with a 4.8 and 194k and a 2000 with a 5.3 and 295k on it. The 2000 is about to get a 6.0 swap and a build. I have run 5w30 and 10w30 in them but with the build and a little bit of street fun and maybe an occasional trip to the drag strip just for fun and was wondering if I could use a xw40 weight in it since the valve train will be under more stress? If not I'll try the 15w30 delo. I have heard lifters will chatter and everything in between. I want to hear from the guys that build and run these motors not sweater vest penny loafer guy who drives a stock Celica.
Thanks

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#4612992 - 12/24/17 11:27 AM Re: LS oil? [Re: Sealbilly]
dave123 Offline


Registered: 01/13/09
Posts: 2315
Loc: wi
I thought only seater vest penny lovers guys drive Chevy Trucks.

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#4613000 - 12/24/17 11:33 AM Re: LS oil? [Re: Sealbilly]
aquariuscsm Offline


Registered: 12/30/06
Posts: 18173
Loc: Dallas,Tx USA
Penrite 45W70.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4613004 - 12/24/17 11:42 AM Re: LS oil? [Re: aquariuscsm]
Alex_V Offline


Registered: 04/10/16
Posts: 1155
Loc: Campbellsville, KY
Originally Posted By: aquariuscsm
Penrite 45W70.


What thuuu?

Do some research with the crowd that builds the LS's as to what weight is best when dragging your built engine. For the stockers, 5 or 10w30 depending on wear/mileage and how the engine is used. I put 10w30 in all the older LS-powered Silverados I change, all of which are 6.0's over 175K. 5w in the newer, lower mileage ones (mostly 5.3 Suburbans and Tahoes).
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#4613017 - 12/24/17 11:55 AM Re: LS oil? [Re: Sealbilly]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
There are literally thousands of LS motors being run on 15w-40 without issue, including some of my own. It won't care either way.
_________________________
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#4613035 - 12/24/17 12:24 PM Re: LS oil? [Re: dave123]
Sealbilly Offline


Registered: 07/02/16
Posts: 165
Loc: EasTn
Originally Posted By: dave123
I thought only seater vest penny lovers guys drive Chevy Trucks.


Nope, that would be the guys who love the no torque multi cam coyote motor. A 20 year old LS1 makes more torque. Lol

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#4613045 - 12/24/17 12:31 PM Re: LS oil? [Re: dave123]
Marco620 Offline


Registered: 02/25/14
Posts: 2186
Loc: Deplorable Kansan,HK fan!
That was awesome!
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#4613100 - 12/24/17 01:35 PM Re: LS oil? [Re: Sealbilly]
dave123 Offline


Registered: 01/13/09
Posts: 2315
Loc: wi
Originally Posted By: Sealbilly
Originally Posted By: dave123
I thought only seater vest penny lovers guys drive Chevy Trucks.


Nope, that would be the guys who love the no torque multi cam coyote motor. A 20 year old LS1 makes more torque. Lol
Skirt wearing men drive gas engine's what colors yours I bet pink lol

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#4613116 - 12/24/17 01:50 PM Re: LS oil? [Re: Sealbilly]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: Sealbilly

Nope, that would be the guys who love the no torque multi cam coyote motor. A 20 year old LS1 makes more torque. Lol


LOL! I'll take that Chevy truck on with my DOHC Cobra 4.6 grin

I don't need torque with 4.10 gears and a 7000 RPM shift point. thumbsup
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#4613118 - 12/24/17 01:51 PM Re: LS oil? [Re: Sealbilly]
Chris142 Offline


Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
10w30 in ours
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02 Wrangler durablend 10w40
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#4613122 - 12/24/17 01:53 PM Re: LS oil? [Re: Sealbilly]
clinebarger Offline


Registered: 12/19/13
Posts: 1916
Loc: Fort Worth, Texas
I would run a 40 weight with spring seat pressures over 350 pounds....Just about any over .600" lift capable springs will have at least that. I like synthetic 5w40 HDEO's.

My L92 has PAC 400# dual valve springs running Mobil 5w40 TDT, No "valve Clatter". Valvetrain noise is usually incorrect pushrod length or running a camshaft with overly aggressive lobes/ramps.....Stay away for Comp XE-R cams!
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
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#4613126 - 12/24/17 01:56 PM Re: LS oil? [Re: Sealbilly]
BobsArmory Offline


Registered: 03/28/10
Posts: 1320
Loc: Michigan
Those engines will be happy with the 5w, 10w-30 and 0w-40 flavors. I have gone to the Castrol and Mobil1 0w-40s before with no issues at all. With the 0w-40 oil I couldn't even see a decrease in mileage.

With your mild weather the 10w-30 or 0w-40 would work very well.
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#4613132 - 12/24/17 02:05 PM Re: LS oil? [Re: aquariuscsm]
CT8 Offline


Registered: 10/09/14
Posts: 10989
Loc: Idaho
Originally Posted By: aquariuscsm
Penrite 45W70.
That is a mans oil.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4613138 - 12/24/17 02:09 PM Re: LS oil? [Re: Sealbilly]
skyactiv Offline


Registered: 03/02/13
Posts: 4399
Loc: The Midwest
I doubt your truck built up will have the same power per liter (100) as a stock Celica GTS does. Unless you add nitrous
of forced induction. The Celica holds up just fine on 5W30.
If your really concerned about it, choose something that meets the Porsche A40 spec. Castrol Edge 0W40.
I've built up a few Chevy small block V8's in my youth. Unless your truck is running under 13 seconds in the 1/4 mile,
don't waste your money. I've seen too many people throw money into vehicles to run embarrassing times. The only thing they
achieved was making their vehicle loud and sucky to drive.
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Me: 13' VW GTI 3 door 6 speed manual

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#4613146 - 12/24/17 02:17 PM Re: LS oil? [Re: CT8]
xxch4osxx Offline


Registered: 03/11/09
Posts: 2604
Loc: Cedarbrae, Ontario
Originally Posted By: CT8
Originally Posted By: aquariuscsm
Penrite 45W70.
That is a mans oil.
Oil? That would almost be grease with that viscosity lol
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2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)


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