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| Vetron87 | Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
 
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I know this topic has been covered before and an opinion is like your butt everybody's has one. However, my neighbor with an 08 Z06 has been using Amsoil and after 8,000 miles on the odometer has developed a ticking noise. It sounds to me as if the viscosity has changed as the oil and combustion process interact. His idea is to keep the oil in his engine for 10,000 more miles. He thought about changing to Royal Purple or Valvoline. He asked my opinion and told him I would consult with the guru's BTW he's is a techno/geek and would not join our blog because he knows nothing about cars.
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Posted on: 2010/2/11 15:00
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
 
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The whole discussion on which brand is the best will be full of opinions and guesses.
The claims by guys who have changed to (pick one)and got better milage, more horsepower, longer change intervals, better braking, higher home equity values are just claims. The ticking may or may not be oil related. The big question is why isa gut that can afford a C6Z skimping on oil change frequency? That's just stupid. |
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Posted on: 2010/2/11 15:12
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| flyboy | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Quote:
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Posted on: 2010/2/11 15:50
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| CentralCoaster | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Senior Guru
 
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ditto.
I'm gonna try and get 10 more days out of my underwear. |
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Posted on: 2010/2/11 15:52
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| Ultraman | Re: Amsoil vs Royal Purple vs Valvoline | ||
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2015 Memorial Day Car Show Winner!
 
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You wear underwear???
what's the matter with Mobil 1? Doesn't that come stock on the new vettes? |
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Posted on: 2010/2/11 15:57
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| Vetron87 | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Totally agree. This guy makes mega bucks but when it comes to his vehicles he is CHEAP..... He thinks Mobil1 is a leach on society.
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Posted on: 2010/2/11 16:03
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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LOL  |
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Posted on: 2010/2/11 16:03
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Nothing, excellent oil. I use it in the C4, my Silverado and my racecar. |
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Posted on: 2010/2/11 16:05
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| 1Fast04Vert | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
 
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First off you obviously have an idiot for a neighbor. Do NOT let his kids associate with yours, his gene pool is very shallow and poluted.
Secondly, tell him to ask GM if his warranty is valid with 8K+ oil changes. |
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Posted on: 2010/2/11 16:25
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Hee, Hee, Hee Ron, are you the Guru that had a neighbor with a new Camero? |
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Posted on: 2010/2/11 16:45
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| Vetron87 | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Thats me. The guy with vette lives on the otherside of the neighbor with the alleged Camero which he traded in for a Toyota hybrid Prius which his wife is afraid to drive because of the brake issue. The techno geek lives four houses down from me, he is a super intellectual geek just ask him he will tell you. Bill I really disturbed alot of neighbors with that 55 chevy.010 camero fiasco. Does this mean I'm going to Hell
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Posted on: 2010/2/11 17:08
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| Vetron87 | Re: Amsoil vs Royal Purple vs Valvoline | ||
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No problem with kids, mine are grown. Z06 probably sits to pee anyway |
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Posted on: 2010/2/11 17:12
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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No, but Geeze, you gotta move. Nobody goes to hell that owns a 55 Chev. |
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Posted on: 2010/2/11 17:25
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| biggrizzly | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Oil has got to be one of those "Weird Sciences". My car has used both Mobil One and Amsoil since I have owned it. Also, the first 65,000 miles I have no real idea about frequency of changes or types of oil used. However, I will assume Mobil One was used, as the car was owned by a professional woman that probably took it to the dealership for oil changes regularly. I base that assumption on other female Corvette owners in my club. They seem to be very responsible with their Corvettes.
I changed over to Amsoil shortly after buying the car and used it in the transmission, differential, and engine up until approximately 150,000 miles when I rebuilt the motor. When I disassemble the motor it was clean as a whistle with no sludge or any residual whatsoever. However, since I have had difficulty getting my hands on Amsoil as easily as I used to, I have switched back to MobilOne products after the engine rebuild. Was Amsoil responsible for such a clean engine? Who knows. Mobil One is cheaper and seems to work just as good to me at this point. Would I put Amsoil back in it? Probably if I had a dealer close by like I did in the past. |
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Posted on: 2010/2/11 17:37
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Yes and no, the amount of detergent in the oil and more importantly, the frequency of changes will keep the engine fairly clean. Especially true for synthetics. Dyno oils will tend to gum up a bit more with longer intervals. But there's not much wrong with dyno, I took a SBC to 250,000 on dyno with 4k oil changes. The engines I've pulled apart with M1 are clean inside too same would go for Valvolene, RP,etc synthetics. |
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Posted on: 2010/2/11 18:14
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| CentralCoaster | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Senior Guru
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Clean is overrated. Shiny heads and shiny lifter valleys don't increase performance or reliability. Unless they are implying I have gunk in my bearings too.
I don't know what's worse, the guy that orders his oil from Amway every 18,000 or the guy who buys Mobil1 in bulk for 2,000 mile oil changes. And yet both of them are using their vette for Sunday drives to church. |
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Posted on: 2010/2/11 20:24
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| cuisinartvette | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Clean insides usually means it was changed at regular intervals. Look inside a motor where it goes and goes and goes between changes, you wont believe what you see even with lower mileage.
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Posted on: 2010/2/11 23:02
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Oh, Yea. Attach file:  oil%20sludge%20BMW.jpg (0.00 KB) cover_off_closeup.jpg (0.00 KB) |
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Posted on: 2010/2/11 23:19
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| SpectatorRacing | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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You're wasting your time trying to get him an answer. You'll do your research, listen to what we say, tell him what you've had good results from, and at the end of the day he'll buy what Consumer Reports last listed as the best budget oil; be it Valvoline, RP, Amsoil, or the no-name stuff the local gas station sells.
These people are all the same. They don't want to know what the builders, tuners, and racers are using. They want to use what some guy on TV or the internet says is good. Drives me nuts. Here's my anecdotal evidence - I've used Mobil 1 10W30 in the 'vette since day one. It's gold as far as I'm concerned. Every time I tear my engine apart and rebuild it everything is as beautiful as the day it was new. Mobil 1 seems to like 300* temps and 7200 RPM... |
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Posted on: 2010/2/11 23:30
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| CentralCoaster | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Senior Guru
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WTF is the story behind that beemer? I have run all sorts of shit castrol dyno and diesel oil and my heads look like the top of Mr. Clean's head compared to that. But I do change the oil after it hits 300F.
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Posted on: 2010/2/12 1:10
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Quote:
I thought there was a post on it here a while back but couldn't find it, just searched sludge under a valve cover. The was a web site that covered it in depth. |
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Posted on: 2010/2/12 1:46
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| SpectatorRacing | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Quote:
Uh...it's "bimmer". Peasant.  |
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Posted on: 2010/2/12 15:57
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| CentralCoaster | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Senior Guru
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My bad. Beemers are the motorcycles... bimmers are cars.
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Posted on: 2010/2/13 2:19
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| cuisinartvette | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Guy never changed it or went some stupid amount of miles on the same oil, something like that.
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Posted on: 2010/2/13 17:27
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| biggrizzly | Re: Amsoil vs Royal Purple vs Valvoline | ||
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2011 Memorial Day Car Show Winner!
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Before I married my wife she had a Honda Civic she never changed the oil in it. It only had about 60,000 miles but the engine seized up from oil starvation first. When the mechanic took it apart it was a mess. He bought the car from her for a few shillings and made a good bit after rebuilding.
I have never let her live that one down for 20 years. Now she gets the oil life monitors sent to her email account through OnStar! Now SHE bugs me about changing her oil!! |
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Posted on: 2010/2/13 17:42
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| CentralCoaster | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Quote:
Fixed it for ya.  |
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Posted on: 2010/2/13 17:59
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| Dads90 | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Guru
 
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OK . What's up with the 3K or 6 month issue ? ( whatever it is for whatever brand ) Does my oil go bad setting in the garage ?
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Posted on: 2010/2/14 5:25
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Quote:
What are asking in the "what's up" , Dean? No, the oil doesn't go bad sitting in the garage. It's generally felt that when you store a car for a longer period, like 4 months, you should have fresh oil in the engine. "Used" oil in you engine gets acidic from the combustion process. While it's true that your oil does get acidic, I've never seen an accurate test or data that shows used oil sitting for 3 months has a bad effect on the engine. |
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Posted on: 2010/2/14 14:36
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| Durango_Boy | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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Valvoline has a new oil, not a synthetic, but it has extremely high amounts of zinc in it. It doesn't come any lighter than 50 though so cold weather operation becomes a factor. I have an oil pan full of it in my 405 which I am going to use through the start up and break in process.
After that I'm going to switch to a lighter synthetic...maybe Valvoline, Amsoil, or Mobil1. |
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Posted on: 2010/2/14 15:12
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| bogus | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Grand Imperial Pooh-Bah
 
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There are motors out there prone to sludging. Chrysler V6s (same with Mitsu) and some Toyota's are killer.
My MIL has a 2001 Camry, I4, and it is a notorious sludge motor. This is why the mechanic changes oil every 6 months with M1. No problems. When I did the big engine out on my 92, I found absolutely no sludge ANYWHERE. The old AMC/Mopar I6 is noted to sludge, but I have been running M1 in it since I bought it 3 years ago, and the insides were super clean!!! The problem with sludging is that oild cannot go where it needs to, creates hot spots and can cause moving parts to stop moving. Bad... real bad... I worked on a friends 90 a few years back... and the valley was full of sludge. A total mess. Personally, I wouldn't waste the money on dino oil for these cars. Synthetics are the best bet. |
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Posted on: 2010/2/14 19:28
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| Ultraman | Re: Amsoil vs Royal Purple vs Valvoline | ||
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2015 Memorial Day Car Show Winner!
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Most of the new car recommended oil change intervals are at 7500 miles. On my 90 it recomends every 7500. I change my oil when the sensor says 50% oil life remaining on my Chevy trucks. That is about 5000 miles per oil change. I use Mobil Delvac in the Duramax's and M1 in the SUV's. Costs a little more but it is worth it in the long run.
I think it makes a difference what kind of miles are being put on. So much of what we do is highway miles going all over to ball games or shopping. Not much stop and go city stuff. Or is miles miles no matter what? |
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Posted on: 2010/2/14 20:51
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| BillH | Re: Amsoil vs Royal Purple vs Valvoline | ||
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The Stig Moderator
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Quote:
New car mfgs. interests are different from consumers. As long as the engine gets thru the warrenty period with the fewest warrenty expenses, they're happy. Will today's engines do this at 7,500? Sure. If you're the type that keeps vechiles long term, like me, is a 5k or less change interval a good idea? IMO, it is. I've never had a motor that had an oil related failure. I also do all the other maintainence on my schedule (frequently). Can't see why anyone would run dino unless they're just cheap. Miles is miles, No, you're correct. Short trips definately increase sludge especially with dino. When you get your oil to 180-185, it starts to burn off the contaminants. It doesn't elminate them but does burn off a decent portion. The other contributing factor to sludge on short trips is the humidity. When the trip is short enough, there's no residual heat in the motor to dry up moisture. Just look at some of the oil caps and you'll see light brown crap. That's oil and moisture mixed. |
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Posted on: 2010/2/14 22:01
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| captngregg | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Guru Newb
 
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I've no experience with Royal Purple but I can tell you from personal experience on my vehicle and those that servoce in my shop that Amsoil lubrication products are
amazing. From the performance on my SUV (Isuzu Rodeo) to my customers feedback after converting over to Amsoil have all been favorable. After going 17,000 miles with Amsoil Signature Series oil with an Absolute Efficiency oil filter,(98.7% @ 15 microns compared to 40 to 80% in conventional filters),and refilling with same, I was amazed that for 2 weeks the oil still looked like new oil. Where my fuel economy would vary by 2 mpg hi or low, it stabilized right at 21mpg. all that said, as a in the field professional with 34 years of Automotive repair experience, I have no issue with continuing with these drain intervals in an ongoing basis. |
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Posted on: 2010/4/28 16:27
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| biggrizzly | Re: Amsoil vs Royal Purple vs Valvoline | ||
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2011 Memorial Day Car Show Winner!
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I helped my buddy Jim change the oil last night in his 2010 Z06. It has the dry sump and takes 11 quarts of Mobil 1, plus the new filter. $$$$ Ouch better find that stuff on sale! He bought three of the Gallon jugs of Mobil 1 at Sam's Club. Still costs over $75 to change the oil
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Posted on: 2010/4/28 16:42
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| CorvetteBob | Re: Amsoil vs Royal Purple vs Valvoline | ||
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Elite Guru
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FWIW, I use synthetic in all the rides. Mobil 1 mostly. I change all my DD's when the oil life monitor comes on. It's saved me about 50% on annual oil change costs. Neither the truck nor the suburban sees more than about 9k miles/year, so I'm happy with what I'm doing. The Impala gets the Vasoline synthetic since it's older, was bought used, etc...
The Vette on the otherhand get's a change each year as I put it up for the winter. I've only put +/- 13k miles in 16 years, so I'm pretty sure I'm not running it into the ground. Once at a car show I asked what the big diff is between M1 and Amsoil. He said it comes down to preference at that point. He was there looking for the guys that just bought a new vehicles and was looking for help with oil selection. Looking for newb customers. |
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Posted on: 2010/4/28 17:26
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