Is it too late to switch to a fully synthetic oil? - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 02-12-2012 Thread Starter
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Is it too late to switch to a fully synthetic oil?

Hey guys,
I have a question for all the engine guys out there. I just bought a 2002 mustang gt, and it has about 90k miles on it. The oil in it is Ford-Motorcraft, and it has always been changed with that from what i was told; it had 1 previous owner. The engine is good and broken in, and doesn't use any oil, is it too late to switch to Royal Purple or Amsoil? Want to hear some opinions and pros/cons on this...

Thanks

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post #2 of 7 (permalink) Old 02-12-2012
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it's never "too late"...I'd do it if you have the cash..I've run Mobil 1 for 10 years in my Cobra, 200K miles later it runs as good as new

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post #3 of 7 (permalink) Old 02-12-2012
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The only "con" is that synthetic will cost a little more than non-synthetic oil.

You can't do anything to reverse any wear that has already happened, but using real good oil -- like synthetic -- going forward will help minimize additional wear in the future.

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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post #4 of 7 (permalink) Old 02-12-2012
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I don't really buy into the RP and Amsoil hype. They are no doubt top notch products, but (as in the case of Amsoil) I'm not really willing to mail order my oil changes, and (as in the case of RP) not willing to spend damn near $9 per quart.

I'm too OCD about oil changes to do the 15K intervals that Amsoil (along with one of their "extended svc interval" filters) supposedly allows for, so even if I did use that stuff I would just be wasting money.

Sorry, that was more than you asked for. Simple answer to your question is yes, go for it.


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And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #5 of 7 (permalink) Old 02-12-2012 Thread Starter
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I appreciate all the responses and input guys. I believe i am going to switch over to synthetic with this upcoming oil change, not sure what brand yet. I agree with the response above ^ about Royal Purple and Amsoil, they are crazy expensive. I just want to eliminate as much wear as possible...Checked the compression on the car when i bought it and everything is good, oil pressure is good, so im sure my clearances are good and tight and everything is spot on other than the normal 90k mile wear.

I've heard about these things hitting 200k miles, and that's my goal. I don't plan to go any deeper than maybe just a mild set of cams, so i want this bottom end to last.

As far as a multi-weight synthetic, what do you guys recommend running? Ford specified weight right? The climate here is relatively mild so i should be able to stick with the same thing year round...
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post #6 of 7 (permalink) Old 02-13-2012
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I run 5/30, either Mobil 1 or Pennzoil Platinum and a Motorcraft filter, change every 5K. 5/20 is fine too.


2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #7 of 7 (permalink) Old 02-26-2012
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I started using Amsoil 20w-50 at 81,000 miles, no problems at all.

2000 Mustang GT: Mac Prochamber off-road mid pipe; SSS Adrenaline exhaust; Airaid CAI; SCT Tuner; Moser axles, EGR removed, Ford Racing 3.73 gears and Trac-Loc differential, aluminum drive line
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