Wrong oil?

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Sep 9, 2005 | 04:00 PM

zchgla

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From: OK

Wrong oil?

I meant to buy Mobil 1 5w-30, but accidently got 10w-30. Should I take it back and get 5w-30?

Does anyone here use 10w-30?

Sep 9, 2005 | 04:04 PM

tirefryer

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From: New Jersey

You should take it back and get 5W40 or 10W40. Mobile 1 ?W30 is too thin.

Sep 9, 2005 | 04:06 PM

GreekGator

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From: Jupiter/Gainesville, Fl. The other "U"

i have used 10W-30 since i got my car back in jan 04. I just bought M1 5W-40 which i am switching to from now on. But you'd be ok with the 10W-30.

Sep 9, 2005 | 04:14 PM

zchgla

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From: OK

So if they dont have 5w-40 should I go with 5w-30?

Sep 9, 2005 | 04:16 PM

tirefryer

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From: New Jersey

No, go with the 0W40 Mobile 1.

Sep 9, 2005 | 04:16 PM

horist

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From: Lake Zurich, IL

You're fine... I've always run 5w30 ... vette's w/an LS1 come w/5w30 ... It's NOT too thin... if you have problems burning too much oil then go to a heavier weight (but keep in mind that LS1s burn oil anyways... just some burn more than others)

Sep 9, 2005 | 04:19 PM

GreekGator

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From: Jupiter/Gainesville, Fl. The other "U"

from what i was told, go with this order: 1)5W-40, 2)0W-40, 3)10W-30

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Sep 9, 2005 | 05:19 PM

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00T\A

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From: NW Houston,TX

I prefer 10w30.

Sep 9, 2005 | 05:43 PM

#10

RPM WS6

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From: Schiller Park, ILL Member: #317

I only use Mobil 1 10W30 in my LS1. It's a summer only car though, if I drove it in the cold weather I'd use 5W30 during those months.

There is absolutely nothing wrong with using 10W30 or 5W30 Mobil 1 in LS1s. Period.

Sep 9, 2005 | 05:48 PM

#11

chrisryn64

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curious question but would you go from 5w-30 to 10w-30? would 10w-30 be better in the summer?

Sep 9, 2005 | 05:50 PM

#12

RPM WS6

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From: Schiller Park, ILL Member: #317

Quote:

Originally Posted by chrisryn64

curious question but would you go from 5w-30 to 10w-30? would 10w-30 be better in the summer?

This is exactly what I do with my daily driver (bonneville). Granted, it's not an LS1 but the idea is the same. 5W30 will flow better on a cold start in the cold winter months. But for the summer I prefer the 10W30.

Sep 9, 2005 | 06:19 PM

#13

99PontTA

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From: Pocono Pa

the local chevy dealer uses 10-30 in all cars they service.

Sep 9, 2005 | 07:19 PM

#14

andypdbz

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From: El Paso, TX

whats the best oil to use in the winter time tho?
i live where it doesnt get very cold tho, only drops below 32 a few times but not for the most part.
i need to change my oil soon and im not sure what type to use

Sep 9, 2005 | 07:49 PM

#15

tirefryer

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From: New Jersey

I would still go 5W40, it will flow just fine in the colder weather. Plus you have better protection (Higher film strength) when your beating on her.

Sep 11, 2005 | 12:29 AM

#16

rjkZ28

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From: Lombard,IL

ive had my car for only about 2,000 miles and i want to swtich the oil soon and not sure what to go with, it had 30k+ i have a lifter noise to so should i go with somethin a little thicker?

Sep 11, 2005 | 03:09 AM

#17

02 BLK WS6

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From: Glen Carbon, IL

I used Valvoline 10w 30 full synthetic. LS1's make noise when running. If it kinda sounds like a sewing machine then you are fine. Piston slap when cold is common too. Piston slap should disappear when warm though.

Sep 11, 2005 | 09:11 AM

#18

99PontTA

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From: Pocono Pa

my experiance with oil in the ls1 is this 5-30 uses it like water.....10-30 not as bad but still uses 1 qt every 2k.....i mixed 3qts 10-30 with 3 qts 15-40 then it used very little.

Sep 11, 2005 | 09:18 AM

#19

spy2520

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From: Waldorf, MD

Whats so good about 0w40? When is it best used, summer or winter?

Sep 11, 2005 | 03:07 PM

#20

Mr Incredible

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From: Just This Side of Damnation

I would think it's pretty obvious by now that LS1's will thrive with practically any oil you feel like putting in it.

Rule of thumb - Heavier in summer, lighter in winter.

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