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There are huge differences between synthetic oils.
A true Group IV base stock is the only real synthetic oil. The "sythetic" oils you get from Valvoline, Penz, Castrol, etc etc are highly moddified Group III stock, which is still dino oil. You have 4 grades of oil. Most oil you buy from the big oil companies are Group III. Each company puts in different additive packages depending on its need (high milage, blends, high/low zinc) Amsoil its a true group IV. RP used to be, but I believe due to changing up its formula to sell in retail markets (read: lower costs) that they went with a Group III. The German Castrol Syntec is a true Group IV synthetic, but its only sold here in 0w30. Mobil 1 and RP used to or still sell a Group IV synthetic oil but like it was said, due to the fact that it wanted retail sales, it reformulated its stuff. As for what you should use, Mobil 1 has never let me down and I have always heard good things of Amsoil. For a while I was using Valvoline for the old Caprice, but for the Malibu Ive switched to the German Castrol. |
I find it just as worth it as much as or more so to put a good oil in a daily just because they have a less stressful job and can have their changes extended. Thus saving even more money. plus they protect better all the while.
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Stop and go traffic is pretty harsh.
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what about group V oils?
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Depending on the car, lets say a drag racer. You drive anywhere from 8-13 sec down a straight line, WOT. 13 sec with the majority of it at high RPM, say 6500rpm for a 13 sec car. Factor in that I am driving 20 mins a day, one way, in a varried range from idle to 3k rpm... Stop and go is very rough for your engine. Quote:
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http://en.wikipedia.org/wiki/Motor_oil
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not a fan of royal purple i used it once and didnt hold up as well as the mobil 1 usually does. i hear awesome things about amsoil though. i use m1 in performance cars and mobil clean 5k in the daily drivers.
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I use Pennz Plat in my Camaro and Denali with the K&N 2006 Long Filter. I have no complaints and they seem to be doing a good job. I actually have better and more consistent oil pressue in the Camaro using the Penn since switching from Mobil 1.
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I use Pennzoil Platinum in the Camaro, it always seems to be the one that least breaks down for me.
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well based on what i learned in this thread (thanks for all the info guys). and iv done some of my own research, im going to run Amsoil. Mainly because i couldn't find one bad review on the stuff and all the oil tests iv researched, amsoil comes in first place in wear protection and lack of break down. My next question is that there is two different oils offered in 5w30 from them, they have a "100% synthetic oil" and then a "XL oil" does anybody know the differences? i would figure to go with the 100% stuff. keep in mind this thing will probably wont have the oil changed all the time like a DD would so i dont mind the extra cash.
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the XL is their standard synthetic.. The other stuff is their "extended drain" stuff. I wouldnt push either of them past 3000 or one season but if you want a little better additive package then go for the 100% stuff. Either will suit your needs just fine..
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also is a standard wix filter good to use with amsoil... thats what filter im using now (napa select is made by wix)
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both are group 4 full sythetics though, right? Josh do you ship this stuff?
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the 100% means everything in it is synthetic base and additives where the XL has some dino based ingredients in the additive pack.. The Napa Gold is the standard Wix filter not the select.. We can ship but I do not accept credit cards as of now..
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WTF this whole thread and no one said nothing about Brad Penn come on www.bradpennracing.com
my grandfather been running this for years and it's the best stuff i think |
brad penn is very good stuff but not synthetic.. In fact we use their break in oil (or Gibbs) depends on the engine..
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ok napa gold then is what im using... that filter will filter this oil well?? ok well not taking a card prob wont help me... you dont do like a paypal or something ( i can get it somewhere locally but since your a sponsor id give you the business)
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Cash or check... Gotta keep the prices down somehow..
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did you check with your builders to see what weight you should be running? they did set the bearing clearances. just looking out for you....r motor :twisted:
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well... paypal comes out of my checking... im just saying once you get the check in the mail and then mail it out its going to be to long for me... paypal is like instant...
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yea adam they told me any 5w30 full synthetic oil will work fine... the motor isnt that crazy its just my baby so i want to run the best i can in it
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i've seen and heard alot of good about Royal Purple, but its expensive lol im planning on using it whenever i need an oil change and just so happen to have extra money, which isnt often, so its pennzoil or whatever synth special Advance is having.
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