Jun 28, 2017 · O’Reilly Full Synthetic is made by Omni. O’Reilly Syntec is made by Castrol. I believe this is true as well!

Feb 18, 2024 · Remember Castrol Syntec? Castrol stopped using Syntec when Edge appeared, but to protect the branding I'd assume, they started making oil and labeling it Syntec for O'Reilly's. To the …

Apr 15, 2017 · Seems pointless to me. Nothing on the label explains why it's worth paying extra compared to the regular O'Reilly synthetic. Price-wise it's not a good value when whatever name …

May 25, 2005 · I've been using Syntec 5w30 and Microgard Select filter in my wife's Fusion for a few oil changes now. Pretty happy with it... I used Magnatec before and this Syntec is quieter. WIX filters …

Jul 7, 2015 · Ryco in Australia make good quality oil filters, last time I looked, about 6 months ago, they only had the standard cellulose filters. But I just could this: Ryco SynTec Filters It appears the have a …

May 25, 2006 · Is Castrol Syntec really synthetic oil? The jug says full synthetic, but I read on various web sites that it's not a real synthetic. I wouldn't think they could state "full synthetic" if it wasn't. I …

Jul 19, 2004 · Castrol Syntec.. It seems we don't have alot of data on its performance here. Personally I think they are a little proud on price. Unless more data is gathered I would spend my money on the …

Nov 22, 2002 · My main complaint with Castrol Syntec is when they switched from being a PAO based synthetic (like Mobil 1 and Amsoil) to a Group III based synthetic, they didn't lower their prices to the …

Apr 15, 2017 · OK, so it's somewhat common knowledge that Syntec by O'Reilly is made by Castrol/BP. But, there are a couple things I find really interesting. If you go to the O'Reilly SDS portal (you can go …

Jun 11, 2012 · Syntec clearly has the better additive package;Quaker State Ultimate Durability clearly has the better base. (I am unaware thatQuaker State Ultimate Durability was recently reformulated or …