Synthetic or Regular Oil

PaperCross · October 13th, 2006, 09:34 AM

Hey all, i just got my 07 stang a week ago and i am not sure what oil the dealer put in it. Prolly they put in ford recommended stuff.

Just wanted to know if i should put in synthetic or regular oil for my next oil change. I used Mobil1 synthetic on my 98 v6. Should i stick with it? Also what does the 5w20 and 5w30 apply to and which one should i use? Thanks.

Excuse my ignorace, green and keen newbie here

Horseshoeing · October 13th, 2006, 12:15 PM

I heard that you need to put some miles on your car before you use synthetic oil.

With your 98, Does it leak oil? if so I would fix the leak or use the the reg oil. Syn oil is thinner and will leak more if there is a leak. If you like syn oil, I would keep using it.

And nobody knows everything.

PaperCross · October 14th, 2006, 01:40 AM

My 98 dosent leak. Its got abt 103K miles on it and i have been using syn oil in it. I guess i will go with reg oil on my 07. Thaks for the info.

WAR-PARTY · October 16th, 2006, 01:21 PM

Put 5k on it than change to Royal Purple it's liquid horse power. Do check your oil level after about 1k with the RP as the engine will absorbe about 1/2 to 3/4 of a quart after that your good to go. I run mine for 15k with two filter changes.

itschristorres8 · October 16th, 2006, 07:08 PM

Originally Posted by Horseshoeing

I heard that you need to put some miles on your car before you use synthetic oil.

With your 98, Does it leak oil? if so I would fix the leak or use the the reg oil. Syn oil is thinner and will leak more if there is a leak. If you like syn oil, I would keep using it.

And nobody knows everything.

correction...thats where i come in!

lol
yea right not even close lol

but like he sed, ive heard somewhere that you need to put some miles on your car before you start using syn oil or other fancy stuff like royal purple n all
idk why though

1slo5.0 · October 16th, 2006, 08:30 PM

Synthetic oil all the way. Synthetic oil doesn't cause leaks. That is a common misconception. Conventional oil plugs leaks with the wax that is put into the oil.

Screemin3o2 · October 16th, 2006, 10:14 PM

I am a firm believer in synthetic oils in everything but differentials. Synthetic oil is not thinner. It has very good flow capabilities. It has nothing to do with being thin. I run 4 quarts of mobil synthetic 10W-30 and 1 quart of lucas pure synthetic.

Horseshoeing · October 17th, 2006, 01:29 PM

Originally Posted by Darrell

Synthetic oil all the way. Synthetic oil doesn't cause leaks. That is a common misconception. Conventional oil plugs leaks with the wax that is put into the oil.

If you car leaks oil, then reg oil might be better, right?

1slo5.0 · October 17th, 2006, 02:11 PM

Originally Posted by Horseshoeing

Originally Posted by Darrell

Synthetic oil all the way. Synthetic oil doesn't cause leaks. That is a common misconception. Conventional oil plugs leaks with the wax that is put into the oil.

If you car leaks oil, then reg oil might be better, right?

No. Replacing your bad seals and gaskets is better.

Screemin3o2 · October 17th, 2006, 02:33 PM

Couldn't agree more with what darrel said.

Horseshoeing · October 17th, 2006, 04:14 PM

It would be better, but sometimes you don't have time or the money. You do what you have to do.

orangepony · October 21st, 2006, 04:34 PM

I switched to synthetic today. Ford uses Motorcraft, which is their brand. I do not know what my car had in it before (I just bought a used 2004 mustang) but it seems to run rough after putting the motorcraft oil and filter in there. Next time I wont have ford change my oil (but it was free haha)... anyway, Mobil's says this on their webpage about swithcing to synthetic:

Myth: You should break in your engine with conventional oil, then switch to a synthetic oil like Mobil 1.
Reality:
You can start using Mobil 1® in new vehicles at any time, even in brand new vehicles. In fact, Mobil 1 is original equipment (it is installed at the factory) in:
Acura RDX
Aston Martin
Bentley Amage and Bentley GT
Cadillac CTS, CTS-V, XLR, XLR-V, SRX and STS and STS-V
Chevrolet Corvette C6 and Z06
Chevrolet SSR
Chevrolet TrailBlazer SS
Chrysler 300C SRT-8 and Crossfire SRT-6
Cobalt SS
Dodge Ram SRT-10
Dodge Charger SRT-8, Magnum, and Viper
Jeep Cherokee SRT-8
Mercedes-Benz AMG vehicles
Mercedes SLR
Mitsubishi EVO III
Pontiac GTO
All Porsche vehicles
Saturn Red Line
Viper SRT-10

Hope that helps any??!!

97Cobra · October 21st, 2006, 06:53 PM

yeah my cobra uses 6 quarts of synthetic 10W-30 and 1 quart or Lucas oil stabilazer, and then its finally full. dang its expensive oil changes at $6 a quart of synthetic and $14 for 1 quart of lucas plus the $10 K&N oil filter wich i find to work verry well!

Screemin3o2 · October 21st, 2006, 11:59 PM

7 quarts to fill up a cobra? I had no idea.

97Cobra · October 22nd, 2006, 12:42 AM

yeah. its nice on the engine just not so much on the wallet lol

Zak · October 22nd, 2006, 09:51 PM

I use Mobil-1 fully synthetic, peace of mind..

Most cam manufacturers don't recommend the use of synthetic oil for the break-in period but that is ONLY for flat hydraulic camshafts (non-roller). Read the instruction below from Crane Cams. That explains the theory behind putting a few thousand miles on before shifting to synthetic, but as you can see it doesn't apply to motors that use hydraulic roller type of cams.
[img=Crane_Cams.jpg]Crane Cams[/img]

Zak · October 22nd, 2006, 09:52 PM

PaperCross · October 26th, 2006, 10:59 AM

ok...now i am confused....

Zak · October 26th, 2006, 11:16 AM

You can use Synthetic oil on all Mustang motors starting from day 1 without any problems. All late-model Mustang engines have roller cams from the factory and so it wont matter which oil do you use.

1slo5.0 · October 26th, 2006, 01:30 PM

Using synthetic at any point in time with any engine and any parts no matter if it is new or old is perfectly fine.

October 13th, 2006, 09:34 AM	#1
PaperCross Regular 2010 Mustang GT Join Date: Sep 2006 Location: Dallas, Texas Posts: 252 iTrader: 0 reviews	Synthetic or Regular Oil Hey all, i just got my 07 stang a week ago and i am not sure what oil the dealer put in it. Prolly they put in ford recommended stuff. Just wanted to know if i should put in synthetic or regular oil for my next oil change. I used Mobil1 synthetic on my 98 v6. Should i stick with it? Also what does the 5w20 and 5w30 apply to and which one should i use? Thanks. Excuse my ignorace, green and keen newbie here

October 13th, 2006, 12:15 PM	#2
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,177 iTrader: 0 reviews	I heard that you need to put some miles on your car before you use synthetic oil. With your 98, Does it leak oil? if so I would fix the leak or use the the reg oil. Syn oil is thinner and will leak more if there is a leak. If you like syn oil, I would keep using it. And nobody knows everything. __________________ Classic Mustangs are the best! Get one.

October 16th, 2006, 01:21 PM	#4
WAR-PARTY Hardcore Enthusiast 2001 YUGO GT Join Date: Aug 2006 Location: GOAT LOCKER PENSACOLA FL Posts: 1,701 Blog Entries: 1 iTrader: 0 reviews	Put 5k on it than change to Royal Purple it's liquid horse power. Do check your oil level after about 1k with the RP as the engine will absorbe about 1/2 to 3/4 of a quart after that your good to go. I run mine for 15k with two filter changes. __________________ How I met my wife! Our first date...

October 16th, 2006, 08:30 PM	#6
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Synthetic oil all the way. Synthetic oil doesn't cause leaks. That is a common misconception. Conventional oil plugs leaks with the wax that is put into the oil. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

October 16th, 2006, 10:14 PM	#7
Screemin3o2 Enthusiast Join Date: Jun 2006 Location: Knoxville, TN Posts: 616 iTrader: 0 reviews	I am a firm believer in synthetic oils in everything but differentials. Synthetic oil is not thinner. It has very good flow capabilities. It has nothing to do with being thin. I run 4 quarts of mobil synthetic 10W-30 and 1 quart of lucas pure synthetic. __________________ 95 Mustang GT Slow Bolt On Car www.steelcitystangs.com

October 14th, 2006, 01:40 AM	#3
PaperCross Regular 2010 Mustang GT Join Date: Sep 2006 Location: Dallas, Texas Posts: 252 iTrader: 0 reviews	My 98 dosent leak. Its got abt 103K miles on it and i have been using syn oil in it. I guess i will go with reg oil on my 07. Thaks for the info.

October 17th, 2006, 02:33 PM	#10
Screemin3o2 Enthusiast Join Date: Jun 2006 Location: Knoxville, TN Posts: 616 iTrader: 0 reviews	Couldn't agree more with what darrel said. __________________ 95 Mustang GT Slow Bolt On Car www.steelcitystangs.com

October 17th, 2006, 04:14 PM	#11
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,177 iTrader: 0 reviews	It would be better, but sometimes you don't have time or the money. You do what you have to do. __________________ Classic Mustangs are the best! Get one.

October 21st, 2006, 06:53 PM	#13
97Cobra I Post Entirely Way Too Much 1997 Mustang Cobra 1/8 - 8.89@86mph Join Date: Jan 2006 Location: Colorado Springs Posts: 6,535 iTrader: 1 reviews	yeah my cobra uses 6 quarts of synthetic 10W-30 and 1 quart or Lucas oil stabilazer, and then its finally full. dang its expensive oil changes at $6 a quart of synthetic and $14 for 1 quart of lucas plus the $10 K&N oil filter wich i find to work verry well! __________________ Modifications and pics in my Garage... Reps Appreciated!

October 21st, 2006, 11:59 PM	#14
Screemin3o2 Enthusiast Join Date: Jun 2006 Location: Knoxville, TN Posts: 616 iTrader: 0 reviews	7 quarts to fill up a cobra? I had no idea. __________________ 95 Mustang GT Slow Bolt On Car www.steelcitystangs.com

October 22nd, 2006, 12:42 AM	#15
97Cobra I Post Entirely Way Too Much 1997 Mustang Cobra 1/8 - 8.89@86mph Join Date: Jan 2006 Location: Colorado Springs Posts: 6,535 iTrader: 1 reviews	yeah. its nice on the engine just not so much on the wallet lol __________________ Modifications and pics in my Garage... Reps Appreciated!

October 22nd, 2006, 09:52 PM	#17
Zak Regular Join Date: May 2006 Posts: 254 iTrader: 0 reviews

October 26th, 2006, 10:59 AM	#18
PaperCross Regular 2010 Mustang GT Join Date: Sep 2006 Location: Dallas, Texas Posts: 252 iTrader: 0 reviews	ok...now i am confused....

October 26th, 2006, 11:16 AM	#19
Zak Regular Join Date: May 2006 Posts: 254 iTrader: 0 reviews	You can use Synthetic oil on all Mustang motors starting from day 1 without any problems. All late-model Mustang engines have roller cams from the factory and so it wont matter which oil do you use.

October 26th, 2006, 01:30 PM	#20
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Using synthetic at any point in time with any engine and any parts no matter if it is new or old is perfectly fine. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

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