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Old 08-06-2001, 05:10 PM
Mowman Mowman is offline
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Join Date: Jun 2000
Location: Northwest Ohio
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5w30 or 10w30w ?

Hey guy's heres the question. I own a Walker w/ 20 Kolher and want to start running Amsoil 10w30w in her. Also I want to run it in my truck also. Right now I'm running 5w30w Mobil oil in it. It's a 2.2 Vortec 4 cylinder. GM says to run 5w30, what I'd like to do is run the Amsoil 10w30w in the Walker and the truck, do you think it will hurt the truck to go to the heavier oil weight. It's a pain in the @@@ to keep so many different oil bottles on the work bench. Thanks for your advice.

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Old 08-07-2001, 05:09 AM
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75 75 is offline
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I'd be inclined to run what the manufacturer recommends in both the Walker AND your truck.

That's only 2 different types of oil to keep track of anyway, I use 10w30 in my car and 15w40 in the truck & bike. No problem having 2 types of oil on the shelf.
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Old 08-08-2001, 06:57 PM
Cleve Cleve is online now
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I would put the 10W-30 in both.
And since you are using the premium Amsoil lubricant it would be even better.
The auto mfgrs. will specify the 5w-30 to get a little lower viscosity so that their mpg figures will be a little better for the government to work with.
Just my .02 worth....
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Old 08-08-2001, 10:21 PM
John DiMartino John DiMartino is offline
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Definetely run the 10w30 in both,the concern is with cold oil flow,the amsoil 10w30 will flow better cold than conventional 5w30,so dont worry about it.
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Old 08-15-2001, 12:09 AM
LES LES is offline
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Don't forget about warranty. Mfgr's WILL know what type of oil has been used.:blob4:
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Old 08-15-2001, 01:25 AM
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Keith Keith is offline
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Location: Central Florida
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I run 10w30 Mobil 1 in my mowers

It's not that hard to have different oils Mowman As a matter of fact, you could roll down to a WalMart and buy some 5 quart jugs of Mobil 1 and not have to worry about all those little quart bottles
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Old 08-15-2001, 10:41 AM
sdwally sdwally is offline
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Location: San Diego, CA
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See 30 or 40 oil post. Too much to retype.
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Old 08-16-2001, 02:26 PM
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Sammy Sammy is offline
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Originally posted by LES
Don't forget about warranty. Mfgr's WILL know what type of oil has been used.:blob4:

I does not matter what brand of oil you use. As long as it is the correct SAE.
Quality Is Good !
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