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Regular vs. Synthetic blend motor oil
- Thread starter Ktulu
- Start date
Arkaign
Lifer
No, it's really better.
Goes like this :
Best = Paraffin-based (Amsoil, Royal Purple, etc)
Better = Regular Synthetic (Syntec, Mobil 1, etc)
Good = SynBlend (Syntec Blend, etc)
Ordinary = Major-Brand non-synthetic
Questionable = Mystery-Brand non-synthetic
How many miles, and what kind of vehicle do you have? That will greatly help us make a recommendation. Also, how long do you want to keep it (miles/years).
Goes like this :
Best = Paraffin-based (Amsoil, Royal Purple, etc)
Better = Regular Synthetic (Syntec, Mobil 1, etc)
Good = SynBlend (Syntec Blend, etc)
Ordinary = Major-Brand non-synthetic
Questionable = Mystery-Brand non-synthetic
How many miles, and what kind of vehicle do you have? That will greatly help us make a recommendation. Also, how long do you want to keep it (miles/years).
You do better to "blend" your own. most blends don;t have that much syn in them. So buy 3 qts of reg oil and 1 syn and add to car will come up with a higher blend then the blends pre-mixed.
But most reg oils will do 5k easy for most cars today. So use the cheapest oil that meets the current specs (like havoline, shell, motorcraft, etc...) and a good filter (not fram) and you should be ok.
But most reg oils will do 5k easy for most cars today. So use the cheapest oil that meets the current specs (like havoline, shell, motorcraft, etc...) and a good filter (not fram) and you should be ok.
Arkaign
Lifer
Oh yeah, check my thread here
http://forums.anandtech.com/me...=2173274&enterthread=y
To see my recent experience, and feedback therein, for using a full-syn (not paraffin) oil change .
http://forums.anandtech.com/me...=2173274&enterthread=y
To see my recent experience, and feedback therein, for using a full-syn (not paraffin) oil change .
Arkaign
Lifer
Man, if you're going to keep that sucker for a long time, I'd recommend going with Amsoil. Those V8s sound great with it, and you should get a marginal improvement in fuel economy/power to boot.
If you're going to sell it @ 100k miles or whatever, then a decent regular oil (changed regularly), or a syn-blend will do just fine.
Arkaign
Lifer
The conventional (lol) wisdom is that the earlier, the better. That said, I put Schaeffer's (paraffin) into a Buick with 200k on a 3.8L motor, and it didn't burn/leak any, and ran notably better.
Under 50k is a no brainer. After 2-3 changes of full syn, the ashy carbonized deposits of the conventional oil will pretty much be cleaned out, leaving nice clean surfaces inside.
Zenmervolt
Elite member
Meh, unless he's really, really stressing the engine, there's no need to bother with synthetic. Regular dino oil in all of my family's normal cars and they've all gone well over 200,000 miles.
My blanket recommendations:
Street-driven, water-cooled, non-turbo, non-supercharged: Regular oil, changed ~5,000 miles.
Air-cooled, turbocharged, or supercharged: Synthetic, changed ~5,000 miles.
Car that is raced occasionally: Synthetic, changed ~3,000 miles.
Car that is raced often: No blanket recommendation, varies by vehicle.
Modern dino oils will do just fine if changed regularly and will not affect the longevity of the engine. I have never seen an engine that died because regular oil was used, only because the oil wasn't changed often enough. Many, many other things will fail long before damage from oil comes into play.
ZV
Arkaign
Lifer
I agree to a point, but he's talking about giving the truck to an as-yet unborn son. That's ~16 years away or so, and the truck has 40k miles on it. Well taken care of, a truck w/syn can last long indeed. Our family F250 lasted over 500k miles with ease, and the only reason it died was because my bro overheated it severely.
It's not much more expensive in the big picture (a full-syn oil change costs him probably the same as filling the truck up with gas, which happens every few hundred miles, not every 5k), and provides a little extra ease of mind.
It's not much more expensive in the big picture (a full-syn oil change costs him probably the same as filling the truck up with gas, which happens every few hundred miles, not every 5k), and provides a little extra ease of mind.
Zenmervolt
Elite member
It does provide some peace of mind, but I really don't see a necessity for it. There will be many, many other problems that occur before synthetic vs conventional oil becomes a meaningful difference. Still, as you say, it's not much extra and it can't hurt. :beer:
ZV
The Silverado uses the GM Oil Life System that was validated using conventional oil. Use conventional oil and service when the change engine oil message appears or once a year, whichever comes first. You may be able to go as long as 12k between service under optimal conditions.
There's no need to use synthetic oil unless you operate your vehicle under very cold temperatures constantly (< 0F) or take your vehicle to the track every weekend. Synthetic oil does not always extend oil life as it is equally susceptible to contamination from blow-by, fuel dilution, condensation, etc. This is why the Corvette's oil life monitor, despite requiring synthetic oil, does not allow for longer service intervals than most other GM vehicles.
There's no need to use synthetic oil unless you operate your vehicle under very cold temperatures constantly (< 0F) or take your vehicle to the track every weekend. Synthetic oil does not always extend oil life as it is equally susceptible to contamination from blow-by, fuel dilution, condensation, etc. This is why the Corvette's oil life monitor, despite requiring synthetic oil, does not allow for longer service intervals than most other GM vehicles.
eplebnista
Lifer
I just use regular "high-mileage" oil in mine (both have over 150,000 miles on them).
mooseracing
Golden Member
It's an old wives tale to a point. Basically Syn will find leaks easier because of it's viscosity it also will break down teh sludge that conventional oil has built up and then form a leak.
There is also some places that state syn is better for longevity of gaskets.
OK, I'm not a salesperson or affiliated with this company in any way, so don't think I'm ePimping their product for them for their or my benefit, because I'm not.
If you want to prep your higher milage ride for a switch over to synthetic, then do it right. Go over to Auto-RX.com and get the proper amount of bottle of Auto-RX, use a good dino and good filter (Wix, NAPA Gold, Purolator, Motorcraft...not Fram), and follow their application instructions. After the last rinse, run one 3,000 mile OCI of dino again, and then do your switchover to synthetic.
Not only will your seals have been prepped for synthetic use, you'll have cleaned up your engine oil system and ring pack (better gas mileage, more pep).
Again, not a salesman, don't benefit in any way if you do this or not....go on over to BobIsTheOilGuy.com Forums in the Oil Additive's sections and do your own research...this product has been proven so many times it's basically the defacto standard over there.
Chuck
If you want to prep your higher milage ride for a switch over to synthetic, then do it right. Go over to Auto-RX.com and get the proper amount of bottle of Auto-RX, use a good dino and good filter (Wix, NAPA Gold, Purolator, Motorcraft...not Fram), and follow their application instructions. After the last rinse, run one 3,000 mile OCI of dino again, and then do your switchover to synthetic.
Not only will your seals have been prepped for synthetic use, you'll have cleaned up your engine oil system and ring pack (better gas mileage, more pep).
Again, not a salesman, don't benefit in any way if you do this or not....go on over to BobIsTheOilGuy.com Forums in the Oil Additive's sections and do your own research...this product has been proven so many times it's basically the defacto standard over there.
Chuck
thedarkwolf
Diamond Member
So its Marvel Mystery Oil only 3 times as expensive? Won't hurt but you can just pour synthetic in without doing any of that.
No, it's nothing like MMO...which there are threads over at BITOG as well. It is not synthetic motor oil either. I can attempt a general explanation here if you want, or you can read up on it at both/either the BITOG Oil Additive forum or Auto-RX's own forum.
And I'll say I realize that 99.999% of engine/gas additives do basically nothing but waste your money...but this one is different. The folks over at BITOG call BS on many products, and are a tough crowd to please....there's no way this product would have the following it has over there if it didn't measurably deliver on what it says it will deliver.
Chuck
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