Oil - Dino/Synthetic - Mobil 1/Royal Purple What do you use?

rdsnake

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Well Im just about to hit 1,000 miles on the new engine. Now it's time to pick my oil. VT said to run 5w30. I am leaning towards a Synthetic oil for the extra durabilty. The only real question here is to run a more common oil like a Castol or Mobil 1, or try out some performance oil like Royal Purple or Amsoil. I have tried Royal purple, Castol, and mobil 1 on my daily drivers and never had a problem with it. What's everyone using out their....

Kevin
 

Racerx66

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Did VT specify at what mileage you can run synthetic, (when their motors are considered broken in, it does depend on the rings they/you use).

I like RP, Red Line and Amsoil synthetics and definitely at a minimum 5w30 for these cars. 2c
 

Mr. Unknown

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Mobil 1 5W-20 in the Cobra and Castrol Syntec 5W-30 in the GTO. Both synthetic.
 

Dragon03

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RD SNAKE said:
Well Im just about to hit 1,000 miles on the new engine. Now it's time to pick my oil. VT said to run 5w30. I am leaning towards a Synthetic oil for the extra durabilty. The only real question here is to run a more common oil like a Castol or Mobil 1, or try out some performance oil like Royal Purple or Amsoil. I have tried Royal purple, Castol, and mobil 1 on my daily drivers and never had a problem with it. What's everyone using out their....

Kevin
About a month ago someone posted on that I think? I have been using sythetic from day one of having my car. Regarding brand I was using Mobil One for a long time, went to Castrol for a few oil changes and got talked into Royal Purple and thats where I am. That stuff is worth the extra 3-4 bucks a quart IMO. I run 10W30, I know that the manufactor "recommends" 5W20 but if I were to go outside and pop the hood of 10 ford vehicles every one of them would say 5W20 under the hood, if my car was stock maybe but its not plus pour a bottle of 5W20 it almost looks about the equvilant to water...... With all the crap our engines have going on I didnt want to have to worry about the oil viscosity but thats just me. Others will swear by the other brands it really depends on the person and what their perference is :p
 
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rdsnake

rdsnake

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Racerx66 said:
Did VT specify at what mileage you can run synthetic, (when their motors are considered broken in, it does depend on the rings they/you use).

I like RP, Red Line and Amsoil synthetics and definitely at a minimum 5w30 for these cars. 2c
Yep they said 1,000 miles whatever type/brand of oil you want, as long as it's 5w30

Kevin
 
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rdsnake

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I'm thinking RP or Mobil One is where it's at....
 

Flyn

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I'd use regular organic oil this time to give the engine parts more time to wear together and get to know each other. The next oil change, I'd switch to synthetic. I use Mobil 1 synthetic because it's easy to find and relatively cheap.
 

jaykruger

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mobil 1 is the only thing I have put in my cars 99-SVT Contour, 97 CObra, 03 cobra. and have never had issues, in fact when i ported the heads on the contour I had never seen an engine with over 70k miles on it still look that good! Couldn't offer up a better ad then that! Had pics of it but the old CPU crashed :(
 

FirstPlaceOils

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mobil 1 has been doing synthetic as long if not longer than the other guys,
so they have a r&d advantage?
 
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rdsnake

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Now that I think about it RP did seem a little thin to me...Mobil 1 seems thicker...I'm sure that's where that "extra" HP comes from in the RP. Plus Mobil 1 pretty much wrote the book on syntic oil.

Also im sure if VT didn't want me to run syntic untill the 4k oil change, they would have told me about it. That's just my .02 on it.
 

Dragon03

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99 Stangbanger said:
Research & Developement
Heres what I found regarding Mobil Ones R&D.

http://www.mobil1.com/USA-English/MotorOil/Synthetics/Product_Testing_Las_Vegas.aspx


Heres what I found regarding Royal Purples take on things and their R&D.

http://www.synerlec.com/techa/whyrpa.html


I think the claims that RP is publishing warrants the extra $$ if anything RP seems to have the edge IMO. The folks at Mobil One put their stuff to the test using a couple cabs from Las Vegas as the test mules??? Might be okay for a NA 3.4 liter Impala driving around in Vegas. If you just got your motor built you should get some miles before changing to synthetic I know when I got my car new I got 5K on her before transitioning. Im sure Mobil One would be fine but I like the product that RP is putting out there :headbang:
 

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mobil1 because its commonly available.

the results i get back from the oil testing lab mean a whole lot more to me than what brand is on the bottle, considering how often i change it anyway.
 

gnxs

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Pennzoil 5W20 Synthetic here.
 

Flatliner

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Mobil 5-30 synthetic... and I follow ShelbyGuys advice on this one.
 
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rdsnake

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gnxs said:
Pennzoil 5W20 Synthetic here.
Larry, I heard something about that new pennzoil Syntic. Something like it has a lot of cleaning addtives, more than normal. Somthing like that. I read it awhile ago and was told to stay away from it. What's your take on it?

Kevin
 

gnxs

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RD SNAKE said:
Larry, I heard something about that new pennzoil Syntic. Something like it has a lot of cleaning addtives, more than normal. Somthing like that. I read it awhile ago and was told to stay away from it. What's your take on it?

Kevin
I also recall hearing the same thing Kevin. It might have been ShelbyGuy or one of the other guys that are very familiar with this subject. However, I've been using it for years and have had good luck with my engine, so I figured I'd stick with it. Thanks for the heads up though.
 
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rdsnake

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gnxs said:
I also recall hearing the same thing Kevin. It might have been ShelbyGuy or one of the other guys that are very familiar with this subject. However, I've been using it for years and have had good luck with my engine, so I figured I'd stick with it. Thanks for the heads up though.
Well your the first person I no using the stuff. I thought pennzoil just came out with their synic stuff?
 

gnxs

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RD SNAKE said:
Well your the first person I no using the stuff. I thought pennzoil just came out with their synic stuff?
Regular oil for almost the first year followed by Castrol synthetic and the Pennzoil for the last year and a half at least.
 

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