Edge

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Castrol Edge Syntec and Edge Titanium are on sale at Cdn Tire. What is the difference? Is one better? I do not understand why they are priced so close together. Roger
 
Edge Titanium (gold bottle) is better than the black bottle Syntec...

Stronger add pack, I believe...

Both are great oils, however.
 
Originally Posted By: mattwithcats
Castrol EDGE Titanium (gold bottle) is better than the black bottle Syntec...

It's kind of funny because the latest Castrol EDGE (black bottle) now also contains titanium additive.

But as far as which is better, I'd go by the specs that your engine calls for. For example, for those that have Euro cars, the black bottle Castrol EDGE 0w-40 and 0w30 will be "better".
 
In Canada, Edge Syntec is their standard Group III synthetic and Edge Titanium is their premium synthetic. Neither claims to have an extended drain interval (distinct difference from the US product). The Edge Titanium should provide better wear protection.
 
0W oils still confuse me a bit. Oil starts out thick and gets thin as it heats up. In theory is Castrol EDGE 0W40 basically a thinner version of Castrol EDGE 10W40?
 
Originally Posted By: aquariuscsm
0W oils still confuse me a bit. Oil starts out thick and gets thin as it heats up. In theory is Castrol EDGE 0W40 basically a thinner version of Castrol EDGE 10W40?


No.

In theory, 0w40 is a version of 10w40 that doesn't get as thick when it cools down.

HOT is the oil's "normal state," and they're both the same under that condition. Then think about what happens to the oil when it cools down.
 
Originally Posted By: aquariuscsm
0W oils still confuse me a bit. Oil starts out thick and gets thin as it heats up. In theory is Castrol EDGE 0W40 basically a thinner version of Castrol EDGE 10W40?

Think of it this way: when at operating temperature (around 100 deg. C), both 0w-40 and 10w-40 are just as thin. When they're cold, they both become thicker: the 0w-40 becomes thicker, and the 10w-40 becomes even thicker.
 
So say if a car specs 10W40,there's no compromise in protection using a 0W40? Reason I ask,my FSM says to not use anything under a 10W,and Walmart no longer carries Castrol EDGE 10W40. Probably a really noobish question,so my apologies in advance
smile.gif
 
You're kidding, right? Member since let's see... late 2006, over TEN THOUSAND posts, and you are asking this?

Originally Posted By: aquariuscsm
So say if a car specs 10W40,there's no compromise in protection using a 0W40? Reason I ask,my FSM says to not use anything under a 10W,and Walmart no longer carries Castrol EDGE 10W40. Probably a really noobish question,so my apologies in advance
smile.gif
 
Originally Posted By: aquariuscsm
So say if a car specs 10W40,there's no compromise in protection using a 0W40? Reason I ask,my FSM says to not use anything under a 10W,and Walmart no longer carries Castrol EDGE 10W40. Probably a really noobish question,so my apologies in advance
smile.gif



Some automakers used to advise against wide viscosity spread oils because back then it took a lot of VII polymers to get there. Today with synthetic base stocks that have quite high native viscosity indices (and low pour points), blenders can do much wider spreads for the same or even less VII and pour-point depressants.

So while there might not be a big advantage to using 0w40 or 5w40 in place of a 10w40, there's no practical DISadvantage apart from cost. Furthermore, the wider spread oil may actually start out with a better base stock than the narrower spread oil.
 
Originally Posted By: RogerBacon
Castrol Edge Syntec and Edge Titanium are on sale at Cdn Tire. What is the difference? Is one better? I do not understand why they are priced so close together. Roger


Syntec is a 5L jug and the Titanium is 4.4L.
 
Originally Posted By: kschachn
You're kidding, right? Member since let's see... late 2006, over TEN THOUSAND posts, and you are asking this?

Originally Posted By: aquariuscsm
So say if a car specs 10W40,there's no compromise in protection using a 0W40? Reason I ask,my FSM says to not use anything under a 10W,and Walmart no longer carries Castrol EDGE 10W40. Probably a really noobish question,so my apologies in advance
smile.gif



Completely serious. Nissan TSB even says verbatim "Use 5W30 in all Nissan cars except 300ZX". I'm not trying to out think Nissan engineers by using a non-spec'd oil.
 
Originally Posted By: aquariuscsm


Completely serious. Nissan TSB even says verbatim "Use 5W30 in all Nissan cars except 300ZX". I'm not trying to out think Nissan engineers by using a non-spec'd oil.


What year is that TSB from? Did Nissan spec synthetic oil only for your 1996 300ZX? Considering what conventional oil was like in 1996 compared to today I can see Nissan spec'ing a 10W-xx for a conventional oil in that high performance vehicle of that time period. Oil has come a long way in the last 19 years
grin.gif
. My 1982 280ZX also spec'd 10W-40, with no mention of synthetic. OT, I miss that car it was a blast to drive
cool.gif
.

Whimsey
 
Originally Posted By: Whimsey
What year is that TSB from? Did Nissan spec synthetic oil only for your 1996 300ZX? Considering what conventional oil was like in 1996 compared to today I can see Nissan spec'ing a 10W-xx for a conventional oil in that high performance vehicle of that time period. Oil has come a long way in the last 19 years
grin.gif
. My 1982 280ZX also spec'd 10W-40, with no mention of synthetic. OT, I miss that car it was a blast to drive
cool.gif
.

Whimsey


The TSB is from 1994. Only thing Nissan says concerning synthetic and conventional oil is (taken from the FSM and owner's manual),"You can use either mineral or synthetic based oil in your Nissan". Says 5W30 should only be used in extremely cold conditions (0F and below) and should't be used in driving extended high speeds or racing. Do not use 5W30 in turbo model. Do not use 5W20 in your Nissan. There's also a sticker under the hood that says 10W30 for 60F and below,10W40 for 60F and above,20W40 and 20W50 for hot climates.
 
GM used to be adamant about using 10w30 in the 3800 series II also, but many people have used 5w30 without a hitch. They even changed the recommendation to 5w30 in later years. I think the issue was that older 5w oils used to shear, and modern oils don't have as much of an issue. I'm sure your Z32 would be just fine with a 5w30 or 0w30 or 40.
 
Originally Posted By: RogerBacon
Castrol Edge Syntec and Edge Titanium are on sale at Cdn Tire. What is the difference? Is one better? I do not understand why they are priced so close together. Roger


Did you also notice that Syntec is a 5L jug and Titanium is a 4.4L JUg?
 
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