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Jun 10, 2005 | 05:55 PM

fastflames

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From: Lake Jackson, Texas

oil opinion

what is the best oil weight to go with in our cars here in the houston area?

Jun 10, 2005 | 10:09 PM

shouldaboughttheZ

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From: H-Town

I run Royal Purple 10w30.

Jun 10, 2005 | 10:15 PM

JackZ28

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From: NW Houston

10w30 is good, but you could do 5w30 too.

Jun 10, 2005 | 10:28 PM

H/C LS6Z

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From: Dallas/CS/Nacogdoches

Mobil 1 synthetic 10W30 is what I'm runnin

Jun 10, 2005 | 11:23 PM

Clif19

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From: Houston

I'm running the 5w-30 german castrol oil

Jun 11, 2005 | 01:22 AM

White 02 WS6

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From: Tomball

Ive ran 5w 30 mobile 1, 5w30 amsoil, and 0w30 amsoil which is in my car right now...

Jun 11, 2005 | 01:32 AM

DONAIMIAN

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From: NW Houston, TX

Right now its M1 5W30 in the car, Ive ran their 15W50 performance driving formula and after 3k miles had like no oil consumption.

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Jun 11, 2005 | 03:23 AM

DONAIMIAN

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From: NW Houston, TX

Quote:

Originally Posted by FIREHAWK #07

patman patman patman....

that guy knows his ****

Jun 11, 2005 | 03:37 AM

#10

SS 4 ME

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From: Houston, TX

We just put in Royal Purple for the first time with our last oil change -- 5W30 (switching from Mobil 1).

Jun 11, 2005 | 10:06 AM

#11

mmiller

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From: Deer Park, Texas

I've always run Royal Purple 5W 30 in my car.

Jun 11, 2005 | 11:21 AM

#12

Tranzor

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From: Kent WA

Quote:

Originally Posted by White 02 WS6

Ive ran 5w 30 mobile 1, 5w30 amsoil, and 0w30 amsoil which is in my car right now...

If you don't buy your Amsoil from a regular dealer, let me know because I'm an Amsoil dealer and I do some special pricing for LS1TECH members and can have it shipped right to your door. If you want more info, feel free to shoot me a PM.

Jun 11, 2005 | 11:31 AM

#13

Dustin

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From: Grand Junction, CO / Tomball, TX

Royal Purple 10w30 for the past 2 years on both of my Z28s.

Jun 11, 2005 | 11:38 AM

#14

BigSteele

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From: Houston, TX

mobile 1 10w30

Jun 11, 2005 | 04:37 PM

#15

jlrz28

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From: Pearland, Tx

Royal Purple 10W 30 in the engine, Royal Purple in the Trans, and Royal Purple in the rearend.

Jun 12, 2005 | 11:22 PM

#16

blakester

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From: Houston TX

I am really curious about this. I have forgoten what the numbers really mean. My auto mechanics teacher in highschool (Cy Fair) told me but that was years ago. I think it was something like 10W (minus 10 winter) and 30 was the rating of the viscosity, which would mean that is could flow at -10 degrees. Some one let me know because i could be totally wrong.