whose using what engine oil?

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Sep 1, 2008 | 01:48 PM

#81

stevenc

TECH Apprentice

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Joined: Dec 2007

Posts: 376

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From: Riverside Ca

Quote:

Originally Posted by sonoma43

Anyone notice a smoother idle or anything running a synthetic over a conventional?? I know there are some people that say they notice some of the piston slap noise is gone, and some cold start up gm tic's are gone anyone noticing that at all or no?

Regardless of who tells me that running syn is a waste of my money. My truck runs better and gets better gas mileage on syn then dino oil. I have 143k on it. The price increase pays for itself with the gas mileage increase i receive.

Royal purple + k&n filter here.

Sep 1, 2008 | 01:55 PM

#82

MISTERIO

Staging Lane

Joined: Jul 2007

Posts: 91

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From: TEXAS

Mobile 1 Full Synthetic

Sep 1, 2008 | 01:59 PM

#83

2005 Silverado

SPAM HUNTER

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From: NM

I just changed over to royal purple. I also used the Lucas Pure Synthetic additive. There was a noticeable idle change (smoother). I Also used a can of BG 44k fuel additive when i filled up. With those 2 things i picked up about 1 MPG. I am currently running a tank with no BG in it to see if it was the oil is improving the millage.

EDIT: Also i scored a free K&N drop-in filter (boss did a oil change and put in a brand new k&n, then the next day he traded it in on a toyota urban runner)

Will update on millage later.

Dustin

Last edited by 2005 Silverado; Sep 1, 2008 at 02:03 PM. Reason: EDIT