Haven't seen this posted yet, but Castrol has updated the PDS for the GF-5 GTX.
Castrol GTX
They're including more data this time around.
Castrol GTX
They're including more data this time around.
Updated Castrol GTX specs for GF-5
- Thread starter stubbakatt
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Check our the pour points.
GTX is great, but has been notoriously a bit thick on cold startups.
If this is the same across the board for all dinos, it'll be another notch against synthetic for people that dont need it for longer drains.
-44 for 5w20 GTX. The pour point for my current SM Syntec is -42. lol.
GTX is great, but has been notoriously a bit thick on cold startups.
If this is the same across the board for all dinos, it'll be another notch against synthetic for people that dont need it for longer drains.
-44 for 5w20 GTX. The pour point for my current SM Syntec is -42. lol.
Originally Posted By: ryan2022
Check our the pour points.
GTX is great, but has been notoriously a bit thick on cold startups.
If this is the same across the board for all dinos, it'll be another notch against synthetic for people that dont need it for longer drains.
-44 for 5w20 GTX. The pour point for my current SM Syntec is -42. lol.
Where does it show the pour point????
Check our the pour points.
GTX is great, but has been notoriously a bit thick on cold startups.
If this is the same across the board for all dinos, it'll be another notch against synthetic for people that dont need it for longer drains.
-44 for 5w20 GTX. The pour point for my current SM Syntec is -42. lol.
Where does it show the pour point????
If you open up that pdf it is on page two. The 5W-30 is -38. Only the 5W-20 is -44.
For those that cannot see page two of the TDS.
Their 10W-30 is a THICK GF 30-weight - it has almost the same specs as Valvoline Maxlife 10W-30!
I'll concur that GTX isn't 'the best' winter oil out there - I've got what I'm guessing is bulk API SM/GF-4 5W-30 in my car right now, and cold starts are noticeable harder than the PC dino I had in before.
I'll concur that GTX isn't 'the best' winter oil out there - I've got what I'm guessing is bulk API SM/GF-4 5W-30 in my car right now, and cold starts are noticeable harder than the PC dino I had in before.
Originally Posted By: addyguy
Their 10W-30 is a THICK GF 30-weight - it has almost the same specs as Valvoline Maxlife 10W-30!
I'll concur that GTX isn't 'the best' winter oil out there - I've got what I'm guessing is bulk API SM/GF-4 5W-30 in my car right now, and cold starts are noticeable harder than the PC dino I had in before.
The way I see it GTX 5W-20 looks like a good 5W-30 winter oil. It's the thickest 5W-20 100°C cSt I've seen with a very low pour point.
Their 10W-30 is a THICK GF 30-weight - it has almost the same specs as Valvoline Maxlife 10W-30!
I'll concur that GTX isn't 'the best' winter oil out there - I've got what I'm guessing is bulk API SM/GF-4 5W-30 in my car right now, and cold starts are noticeable harder than the PC dino I had in before.
The way I see it GTX 5W-20 looks like a good 5W-30 winter oil. It's the thickest 5W-20 100°C cSt I've seen with a very low pour point.
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