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Old 04-10-2012, 03:12 AM   #11
ASH302
Soldier for Christ
 
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Join Date: May 2009
Location: Willis, TX at The Daddy ASh Ranch
Posts: 30,596
Re: switching from mobil 1 to Royal Purple

Quote:
Originally Posted by Mach828 View Post
5w-20 is too thin. I'd at least get 5w-30 Royal Purple if thats what you want.

Lower the second number is, the more wear your causing on your engine at higher operating temps. And only benefit is your probably saving .25mpg and getting an extra 1hp.

With your car being boosted and everything, I wouldn't be running 5w-20. Its your car though!
i was thinking about that, doing the 5w-30, its still in my mind
ASh
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2001 lazer red v6 Mustang coupe sold in Aug 2006
2004 screaming yellow 5.0 sc Mach 1 sold in Oct 2012
2013 grey 6 speed coupe GT Mustang Sold in Feb 2014
2013 RED Dodge Charger R/T Sold Nov 2014
2002 custom Blue 02 Auto Trans AM Sold June 2015
1998 Cobra Black Sold summer 2016

Current
2009 Ford F350 FX4 March 2017 (work truck)
2003 OW 5.0 Mach 1 Aug 2020

ASh
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