View Poll Results: Which oil are you Using in your Ls1

Mobil 1 5w-30

191

30.96%

Mobil 1 0w-40

4.54%

Mobil 1 5w-40

3.24%

Mobil 1 10w-30

115

18.64%

Royal Purple 5w-30

6.32%

Royal purple 40

2.11%

German Castrol 0w-30

13.78%

Castrol Syntec 5w-30

3.08%

Castrol Syntec 10w-30

3.89%

Other such as amsoil etc

13.45%

Voters: 617. You may not vote on this poll

POLL what type of oil are LS1 owners using??????

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Jun 28, 2006 | 07:24 PM

#81

PLucas

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From: Indianapolis

I run GC 0w30.

Jun 29, 2006 | 09:44 AM

#82

chevygirl

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From: Memphis, TN

Has anybody used Castrol Syntec 10W-40? Any good results quieting the piston slap down with it or any other oil?

Jun 29, 2006 | 10:47 AM

#83

StevieZ

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From: Montreal

Royal Purple 20-50W

Jun 29, 2006 | 09:29 PM

#84

Lethal_Ws6

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From: reno,NV

Ive been using Quaker state 10w-30 . cheap synthetic **** ...

Well today i went to Kragen at box a couple cases of Royal Purple 5w-30 And some K&n Gold Oil filters...

I changed my oil today, And wow !! i see more Oil pressure , and it Quiet down the internals Alot !! ... Im going to use this oil for a while and then try Mobile 1 maybe . but i really like this royal purple .. the price isnt that bad ..

If you want stuff to last, buy the best..

Jul 1, 2006 | 03:33 AM

#85

Doski

Launching!

Joined: Jul 2005

Posts: 279

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From: Sweden (Malmö)

I run shell Helix ultra 5w-40 and it does its job.

Jul 1, 2006 | 03:05 PM

#86

Dom

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From: Chicago

I just changed to German Castrol 0W30. Mobil 1 5W40 is no where in sight in my area and I'm not going with the thin W30 version.

Jul 1, 2006 | 03:43 PM

#87

chevygirl

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From: Memphis, TN

I saw at autozone there is a 5W-40W Castrol Syn that says on the back european formula. Has anyone tried this?

Jul 7, 2006 | 11:58 AM

#88

RoastEmSS

12 Second Club

Joined: Jun 2005

Posts: 1,275

Likes: 0

From: Kansas City, MO

Quote:

Originally Posted by Black98Z28

Mobile 1 5w30 here, change about every 2k miles.

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Jul 9, 2006 | 08:40 AM

#89

00transamnh

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From: Farmington NH

Quote:

Originally Posted by vodas00ss

mobile 1...5-30 in the winter 10-30 in the summer

um...? if im correct dont you have that backwards... shouldnt it be 10-30in the winter and 5-30 in the summer?

Jul 9, 2006 | 08:52 AM

#90

Patman

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Joined: Nov 2001

Posts: 7,234

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From: Mississauga, Ontario

Quote:

Originally Posted by 00transamnh

um...? if im correct dont you have that backwards... shouldnt it be 10-30in the winter and 5-30 in the summer?

Nope, a 5w30 will flow better on a cold start than a 10w30 will. The lower the first number is, the better it will perform on the cold cranking tests.