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Oil Consumption

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Old 03-23-2006, 09:35 PM
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Originally Posted by v8hunter
Synthetic oil has smaller molecules so it is more likely to leak past rings/seals than dino oil. Another idea would be to run a thicker oil like a 20-50 or a straight 40 weight. If you run a can of restore through your motor it will likely improve your compression and reduce blow by so that will help too. The final way to reduce oil consumption (which you won't like) is to take it easy with your car.

I tried running the truck pcv valve and got no results other than my seals started to slowly leak.
Never run 20W50!! our Ls1s dont like it, its too much pressure becuase of it having such a high viscosity, I always run a 10W30 Syntec(full synthetic). I wanna know how to convert my oil cap into a breather cap....
Old 03-24-2006, 01:29 AM
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Originally Posted by gta87ls1
Bulletin number is 01-06-01-023A. I don't know where you can find this information yourself because I got it straight from the GM online service manual it's kinda like alldata for GM. It's only a bulletin and not a recall. If you have extended warranty that might pay for it unless u still have a factory warranty other then that you have to pay for it. It's for 1999-2001 camaro's and firebird's with the LS motors and 1999-2002 corvettes. For the LS6 the valley cover is revised along with the rings and on LS1 its rings only.
Okay, thanks, I found it.
Old 03-24-2006, 09:14 AM
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**** does that mean theres something wrong with my piston rings?
Old 03-24-2006, 09:22 AM
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Could be...how much oil are you drinking?
Old 03-24-2006, 09:44 AM
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maybe a quart or 3/4 a quart every 2500-3000 miles?
Old 03-24-2006, 10:06 AM
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Originally Posted by Shinerbock07
maybe a quart or 3/4 a quart every 2500-3000 miles?
You are okay, you're probably losing oil thru the PCV.

Bulletin 01-06-01-011 (dated prior to above bulletin) says:
"The accepted rate of oil consumption for engines used in the vehicles referenced is 0.946 liter (1 qt) in 3200 km (2000 mi). "
Old 03-24-2006, 11:07 AM
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good! Thank You!
Old 04-04-2006, 01:26 PM
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JOECAR~ How much was that grommet? Does anybody know what p/n for a PCV with a 90 bend, or what car/engine one is made for we could use?
Old 04-04-2006, 02:41 PM
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would that pcv in the oil cap work as well as the stock location
(vent as much pressure as it should)
Old 07-30-2009, 04:04 PM
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I was burning 1 quart every 500 miles with 10w30 royal purple switched to 15w50 mobile one and not a drop burnt yet.
Old 07-30-2009, 05:53 PM
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Holy 3-year old thread raised from the dead
Old 07-31-2009, 01:14 PM
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Originally Posted by LS69TA
Holy 3-year old thread raised from the dead
No kidding. Not to mention that oil is way too heavy for an LS1.
Old 01-15-2010, 10:23 PM
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Originally Posted by LS69TA
Holy 3-year old thread raised from the dead
good info never dies!
Originally Posted by Dal1as
No kidding. Not to mention that oil is way too heavy for an LS1.
lol which one i'm wondering what oil to switch to cause i've run 10w30, 5w30 and now with my new H/C set-up i'm running 0w30 because of some people's advice on this site but i'm gettin double looks from people in the real world like WTF are you doing using that oil for in your high mileage engine for? btw i have 169,3XX on my bottom end lol main reason is my oil PSI is low compared to others, warm it's around 36 and when i've been beating on it, it drops down to 24-26
Old 08-17-2010, 10:43 PM
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Well my car has 72,000 miles and consumes oil like a beast. I thinking around 1.5-1.75 quarts per 2000 miles. I've tried Mobil one 5w30 and Castol Syntec 5w30, and I have the "fixed pcv valve". I have castrol Euro Formula 0w30 ready to change, but am assuming it wont work.

Piston ring problem? How much will that cost to replace...



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